Lenovo ThinkCentre M73p User Guide [en, id, uk]

ThinkCentreM73p
UserGuide

MachineTypes:10K9,10KA,10KB,and10KC

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read

thisfirst:Importantsafetyinformation”onpageiii

andAppendixF“Notices”onpage97.

FirstEdition(August2015)

©CopyrightLenovo2015.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministration
“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents

Readthisfirst:Importantsafety

information..............iii

Beforeusingthismanual...........iii

Serviceandupgrades............iii

Staticelectricityprevention..........iv

Powercordsandpoweradapters.......iv

Extensioncordsandrelateddevices......v

Plugsandoutlets..............v

Externaldevices..............v

Heatandproductventilation.........v

Operatingenvironment...........vi

Lasercompliancestatement.........vi

Powersupplystatement...........vii

Cleaningandmaintenance..........vii

Chapter1.Productoverview.....1

Hardwarelocations.............1

Frontview...............1

Rearview...............3

Computercomponents.........5

Partsonthesystemboard........6

Machinetypeandmodellabel.......8

Features.................8

Specifications...............12

Programs.................12

Accessingaprogramonyourcomputer...12

Installingaprogramthatisreadytobe

installed...............13

AnintroductiontoLenovoprograms....13

Chapter2.Usingyourcomputer...17

Registeringyourcomputer..........17

Settingthecomputervolume.........17

AddinganicontotheWindowsnotificationarea.17

Usingadisc................17

Guidelinesaboutusingtheopticaldrive...18

Handlingandstoringadisc........18

Playingandremovingadisc.......18

Recordingadisc............19

Connectingtoanetwork...........19

ConnectingtoanEthernetLAN......19

ConnectingtoawirelessLAN.......20

ConnectingtoaBluetooth-enableddevice..20

Chapter3.Y ouandyourcomputer..21

Arrangingyourworkspace..........21

Glareandlighting............21

Aircirculation.............21

Electricaloutletlocationsandcablelengths.21

Comfort...............21

Accessibilityinformation...........22

Cleaningyourcomputer...........25

Maintenance...............25

Basicmaintenancetips.........25

Goodmaintenancepractices.......26

Keepingyourcomputercurrent......26

Movingyourcomputer...........27

Chapter4.Security..........29

Lockingyourcomputer...........29

Lockingthecomputercover.......29

AttachingaKensington-stylecablelock...30

Attachingacablelock..........31

Viewingandchangingsecuritysettingsinthe

SetupUtilityprogram............31

Preventingunauthorizedaccesstoyour

computer.................31

Usingfingerprintauthentication........32

Usingandunderstandingfirewalls.......32

Protectingdataagainstviruses........32

ComputraceAgentsoftwareembeddedin

firmware.................33

TrustedPlatformModule(TPM)........33

Chapter5.Advancedconfiguration..35

UsingtheSetupUtilityprogram........35

StartingtheSetupUtilityprogram.....35

Enablingordisablingadevice.......35

EnablingordisablingtheAutomaticPowerOn

features...............35

EnablingordisablingErPLPScompliance

mode................36

ChangingICEPerformanceMode.....36

EnablingordisablingtheICEThermalAlert

feature................37

EnablingordisablingtheConfiguration

ChangeDetectionfeature........37

Usingthecoverpresenceswitch......37

UsingBIOSpasswords.........38

Selectingastartupdevice........39

ExitingtheSetupUtilityprogram......40

UpdatingandrecoveringtheBIOS.......40

UpdatingtheBIOS...........40

RecoveringfromaBIOSupdatefailure...41

©CopyrightLenovo2015

i

Chapter6.T roubleshooting,

diagnostics,andrecovery......43

Basicprocedureforresolvingcomputer

problems.................43

Troubleshooting..............43

Startupproblems............43

Audioproblems............44

CDproblems.............45

DVDproblems.............45

Intermittentproblems..........46

Storagedriveproblems.........46

Networkingproblems..........47

Performanceproblems..........49

Serialconnectorcannotbeaccessed....50

MyUSBconnectorscannotbeaccessed..50

Softwareanddriverproblems.......50

Diagnostics................51

LenovoSolutionCenter.........51

Recoveryinformation............51

RecoveryinformationforWindows7....51

RecoveryinformationforWindows10....52

Chapter7.Installingorreplacing

hardware...............55

Handlingstatic-sensitivedevices.......55

Installingorreplacinghardware........55

Installingexternaloptions........55

Removingthecomputercover.......56

Replacingthefrontbezel.........56

ReplacingaPCI/PCI-Expresscard.....57

Replacingamemorymodule.......60

Replacingtheopticaldrive........62

Replacingthecoin-cellbattery......63

Replacingtheheatsinkandfanassembly..65
Replacingthepowersupplyassembly...66

Installingthe2.5-inchstoragedrive.....67

Replacingthe3.5-inchstoragedrive....68

ReplacingthefrontaudioandUSB

assembly...............70

ReplacingtheWi-Ficard.........72

Completingthepartsreplacement.....76

Windowshelpsystem..........79

Safetyandwarranty...........79

LenovoWebsite............79

LenovoSupportWebsite.........80

Frequentlyaskedquestions........80

Helpandservice..............80

Callingforservice............80

Usingotherservices..........81

Purchasingadditionalservices......81

AppendixA.Regulatory

information..............83

Exportclassificationnotice..........83

Electronicemissionsnotices.........83

FederalCommunicationsCommission

DeclarationofConformity........83

Eurasiancompliancemark..........85

Brazilaudionotice.............85

Mexicowireless-radiocomplianceinformation..85

Additionalregulatoryinformation.......85

AppendixB.WEEEandrecycling

information..............87

ImportantWEEEinformation.........87

RecyclinginformationforJapan........87

RecyclinginformationforBrazil........88

BatteryrecyclinginformationforTaiwan.....88

BatteryrecyclinginformationfortheEuropean

Union..................88

AppendixC.RestrictionofHazardous

SubstancesDirective(RoHS).....91

EuropeanUnionRoHS...........91

ChinaRoHS................91

TurkishRoHS...............91

UkraineRoHS...............92

IndiaRoHS................92

AppendixD.ChinaEnergyLabel...93

AppendixE.ENERGYSTARmodel

information..............95

Chapter8.Gettinginformation,help,

andservice..............79

Informationresources............79

Accessingtheuserguideinvarious

languages...............79

iiThinkCentreM73pUserGuide

AppendixF .Notices..........97

Trademarks................98

Readthisfirst:Importantsafetyinformation

Thischaptercontainsthesafetyinformationthatyoumustbefamiliarwith.

Beforeusingthismanual

CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafety,Warranty,and
SetupGuidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformation
reducestheriskofpersonalinjuryanddamagetoyourproduct.

IfyounolongerhaveacopyoftheSafety,Warranty,andSetupGuide,youcanobtainaPortableDocument
Format(PDF)versionfromtheLenovo
LenovoSupportWebsitealsoprovidestheSafety,Warranty,andSetupGuideandthisUserGuidein
additionallanguages.

®

SupportWebsiteathttp://www.lenovo.com/UserManuals.The

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure
thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formoreinformation
onCRUs,refertoChapter7“Installingorreplacinghardware”onpage55
concerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.

CAUTION:

.Ifyouhaveanyquestionsor

Hazardousmovingparts.Keepfingersandotherbodypartsaway.

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.

©CopyrightLenovo2015

iii

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.

WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe
edges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingcomponents.

•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourbody.

•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Powercordsandpoweradapters

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.Donotusetheac
powercordforotherdevices.

Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm
othercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordorpower
adapternearsinks,tubs,toilets,oronfloorsthatarecleanedwithliquidcleansers.Liquidscancausea
shortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan
causegradualcorrosionofpowercordterminalsand/ortheconnectorterminalsonapoweradapter,
whichcaneventuallyresultinoverheating.

Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.

2

,orbetter.For

ivThinkCentreM73pUserGuide

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse
areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips
areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

Plugsandoutlets

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged
orcorroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orconnecteddevices.

Someproductsareequippedwithathree-prongedplug.Thisplugfitsonlyintoagroundedelectricaloutlet.
Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitintoanon-groundedoutlet.If
youcannotinserttheplugintotheoutlet,contactanelectricianforanapprovedoutletadapterortoreplace
theoutletwithonethatenablesthissafetyfeature.Neveroverloadanelectricaloutlet.Theoverallsystem
loadshouldnotexceed80percentofthebranchcircuitrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloadsandbranchcircuitratings.

Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclosetothe
equipment.Donotfullyextendpowercordsinawaythatwillstressthecords.

Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouareinstalling.

Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.

Externaldevices

DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)cableswhile
thecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossibledamageto
connecteddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnectexternaldevices.

Heatandproductventilation

Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.Alwaysfollowthesebasicprecautions:

•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.Your
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.

•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.

•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,comfort,andreliable
operation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproductonabed,sofa,
carpet,orotherflexiblesurface.Neverblock,cover,ordisablethesefeatures.

©CopyrightLenovo2015

v

Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
yourcomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperating
yourcomputerwithintwofeetofhigh-trafficareas.Ifyoumustoperateyourcomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanyourcomputermorefrequently.

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

Theoptimalenvironmentinwhichtouseyourcomputeris10°C–35°C(50°F–95°F)withhumidityranging
between35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),
allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C–35°C(50°F–95°F)before
use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan
optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.

Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromyourcomputerbecausethestrongmagneticfieldsgeneratedbythese
appliancescandamagethemonitoranddataonthestoragedrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherconnecteddevices.Ifliquidisspilled
onorinthecomputeroraconnecteddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Lasercompliancestatement

CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.

viThinkCentreM73pUserGuide

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.

Powersupplystatement

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwithoneoftheseparts,
contactaservicetechnician.

Cleaningandmaintenance

Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.

©CopyrightLenovo2015

vii

viiiThinkCentreM73pUserGuide

Chapter1.Productoverview

Thischapterprovidesinformationaboutthefollowingtopics:

•“Hardwarelocations”onpage1

•“Features”onpage8

•“Specifications”onpage12

•“Programs”onpage12

Hardwarelocations

Thissectionprovidesinformationaboutthelocationsofyourcomputerhardware.

Note:Thecomputerhardwaremightlookslightlydifferentfromtheillustrations.

Frontview

Figure1.Frontview

1Storagedriveactivityindicator

3Powerbutton

5Cardreaderslot(availableonsomemodels)6USB2.0connector

©CopyrightLenovo2015

2Powerindicator

4Opticaldriveeject/closebutton(availableonsome

models)

1

7Microphoneconnector8Headphoneconnector

9USB2.0connector

•Cardreaderslot
Usedtoholdacard-shapedstoragemediumsothatthecardreadercanreadthedataonthestorage

medium.

•Headphoneconnector
Usedtoconnectheadphonestoyourcomputer.

•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputer.Youcanusethemicrophonetorecordsoundsoruse

speech-recognitionsoftware.

•Opticaldriveeject/closebutton
Usedtoejectthetrayoftheopticaldrivefromthedrive.Afteryouinsertadiscintothetray,press

theeject/closebuttontoclosethetray.

•Powerbutton
Usedtoturnonyourcomputer.Y oualsocanusethepowerbuttontoturnoffyourcomputeronlywhen

youcannotuseanyMicrosoft

®

Windows

®

shutdownproceduretoturnoffyourcomputer.

•Powerindicator
Whentheindicatorison,thecomputerison.

•Storagedriveactivityindicator
Whentheindicatorison,thestoragedrivesareinuse.

•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyboard,amouse,ascanner,a

printer,orapersonaldigitalassistant(PDA).

2ThinkCentreM73pUserGuide

Rearview

Figure2.Rearview

1Powercordconnector

3VGAconnector4PS/2mouseconnector(availableonsomemodels)

5DisplayPort

7USB3.0connectors(4)8USB2.0connectors(2)

9Ethernetconnector10Microphoneconnector

11Audioline-outconnector12Audioline-inconnector

13PCI/PCI-Expresscardarea(differentcardsprovide

®

connectors(2)6PS/2keyboardconnector(availableonsomemodels)

2Serialconnector

14Serialconnector(availableonsomemodels)

differentconnectors)

15Security-lockslot16Cable-lockslots(2)

17Padlockloop

Note:Adiscretegraphicscard,networkinterfacecard,oraudiocardmightbeinstalledinthePeripheral
ComponentInterconnect(PCI)orPCIExpresscardarea.Ifsuchacardisinstalled,ensurethatyouusethe
connectorsonthecardinsteadofthecorrespondingconnectorsonthecomputer.

•Audioline-inconnector
Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereosystem.Whenyouattach

anexternalaudiodevice,acableisconnectedbetweentheaudioline-outconnectorofthedevice
andtheaudioline-inconnectorofthecomputer.

Chapter1.Productoverview3

•Audioline-outconnector
Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspoweredstereospeakers,

headphones,ormultimediakeyboards.Toattachastereosystemorotherexternalrecordingdevice,a
cableisconnectedbetweentheaudioline-inconnectorofthedeviceandtheaudioline-outconnector
ofthecomputer.

Note:Ifyourcomputerhasbothanaudioline-outconnectorandaheadsetconnectororheadphone
connector,alwaysusetheheadsetconnectororheadphoneconnectorforearphones,headphones,ora
headset.However,aheadphoneconnectordoesnotsupportthemicrophoneofaheadset.

•Cable-lockslots
Forinformation,see“Attachingacablelock”onpage31

.

•DisplayPortconnector
Usedtoconnectahigh-performancemonitor,adirect-drivemonitor,orotherdevicesthatusea

DisplayPortconnector.

•Ethernetconnector
UsedtoconnectanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFederalCommunicationsCommission(FCC)ClassBlimits,usea
Category5eorbetterEthernetcable.

•Microphoneconnector
Usedtoconnectamicrophonetoyourcomputerwhenyouwanttorecordsoundorifyouuse

speech-recognitionsoftware.

•Padlockloop
Forinformation,see“Lockingthecomputercover”onpage29

.

•PCI/PCI-Expresscardarea(differentcardsprovidedifferentconnectors)
Toimprovetheoperatingperformanceofyourcomputer,youcanconnectPCI/PCI-Expresscardsinto

thisarea.Dependingonyourcomputermodel,theconnectorsinthisareamightvary.

•Powercordconnector
Usedtoconnectthepowercordtoyourcomputerforpowersupply.

•PS/2keyboardconnector
UsedtoconnectakeyboardthatusesaPersonalSystem/2(PS/2)keyboardconnector.

•PS/2mouseconnector
Usedtoconnectamouse,atrackball,orotherpointingdevicesthatuseaPS/2mouseconnector.

•Serialconnector
Usedtoconnectanexternalmodem,aserialprinter,orotherdevicesthatusea9-pinserialconnector.

•Security-lockslot
Forinformation,see“AttachingaKensington-stylecablelock”onpage30.

•USB2.0connector
UsedtoconnectadevicethatrequiresaUSB2.0connection,suchasakeyboard,amouse,ascanner,a

printer,orapersonaldigitalassistant(PDA).

•USB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,a

scanner,aprinter,oraPDA.

•VGAconnector
Usedtoconnectavideographicsarray(VGA)monitororotherdevicesthatuseaVGAconnector.

4ThinkCentreM73pUserGuide

Computercomponents

Note:Dependingonyourcomputermodel,someofthefollowingcomponentsmightnotbeavailable.

Figure3.Computercomponents

1Computercover

3Systemboard

5Microprocessor6Memorymodule

7Opticaldrive8Cardreader

9FrontaudioandUSBassembly10Coin-cellbattery

11FrontWi-Fiantenna12Internalspeaker

13Thermalsensor14Wi-Ficard

15Wi-Ficardadapter

17RearWi-Fiantenna

19Rearfan

21Frontbezel

2Powersupplyassembly

4Heatsinkandfanassembly

16PCIExpresscard

18Coverpresenceswitch(Intrusionswitch)

20Storagedrives(2)

Chapter1.Productoverview5

Partsonthesystemboard

Note:Forthepartsthataredisplayedonthefollowingfigurebutnotintroducedinthefollowingtable,see

“Frontview”onpage1and“Rearview”onpage3.

Figure4.Partsonthesystemboard

1PS/2keyboardandmouseconnector24-pinpowerconnector(forconnectingpowersupply

assembly)

3Microprocessorfanconnector

5Memoryslot2(DIMM2)6Memoryslot3(DIMM3)

7Memoryslot4(DIMM4)

94-pinpowerconnectors(2)(forconnecting

4Memoryslot1(DIMM1)

8Thermalsensorconnector

1014-pinpowerconnector

storagedrives)

11eSATAconnector

13SATA3.0connectors(3)

15FrontUSBconnector2(forconnectingUSB

12Parallelconnector

14Frontpanelboardconnector

16Cardreaderconnector

ports1and2onthefrontbezel)

17ClearCMOS(ComplementaryMetalOxide

18Serialconnector

Semiconductor)/Recoveryjumper

19Internalspeakerconnector20Frontaudioconnector

21PCIcardslot22PCIExpresscardslot(physicallinkwidthx16;negotiable

linkwidthx4,x1)

23PCIExpressx1cardslot24PCIExpressx16graphicscardslot

6ThinkCentreM73pUserGuide

25Systemfanconnector26Coverpresenceswitchconnector(Intrusionswitch

connector)

27Coin-cellbattery

Chapter1.Productoverview7

Machinetypeandmodellabel

Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.

Themachinetypeandmodellabelisattachedonthebottomofyourcomputerasshown.

Figure5.Machinetypeandmodellabel

Features

Thecomputerfeaturesintroducedinthissectionapplytovariousmodels.

Informationaboutyourcomputer

•Toviewbasicinformation(suchasmicroprocessorandmemoryinformation)aboutyourcomputer,
dothefollowing:

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:Right-clickComputer,andthenclickProperties.
–ForWindows10:ClickSettings➙System➙About.

•Toviewdetailedinformationaboutthedevices(suchastheopticaldriveandnetworkadapters)onyour
computer,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthen

clickProperties.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.

8ThinkCentreM73pUserGuide

Preinstalledoperatingsystem

YourcomputerispreinstalledwithWindows7orWindows10operatingsystem.Additionaloperating
systemsmightbeidentifiedbyLenovoascompatiblewithyourcomputer.T odetermineifanoperating
systemhasbeencertifiedortestedforcompatibility,checktheWebsiteoftheoperatingsystemprovider.

ForinformationaboutWindows8.1operatingsystem,refertotheWindows8.1ProductGuideatthe
followingWebsite:
http://www.microsoft.com

Powersupply

Yourcomputercomeswithoneofthefollowingpowersupplies:

•180-wattautomaticvoltage-sensingpowersupply

•280-wattautomaticvoltage-sensingpowersupply

Note:Ifadiscretegraphicscardisinstalledonyourcomputer,a280-wattautomaticvoltage-sensing
powersupplyisrequired.

Storagedrives

Yourcomputersupportsuptotwostoragedrives(harddiskdrives,hybriddrives,orsolid-statedrives).

Toviewtheamountofstoragedrivespace,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthenclick
Manage.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickDiskManagement.

Videofeatures

•Theintegratedgraphicscardsupportsthefollowingdisplayconnectorsonyourcomputer:

–DisplayPortconnector
–VGAconnector

•Thediscretegraphicscard,whichisavailableonsomemodels,providesenhanceddisplaycapability
andexperience.

Audiofeatures

Theintegratedaudiocardsupportsthefollowingaudioconnectorsanddevicesonyourcomputer:

•Audioline-inconnector

•Audioline-outconnector

•Headphoneconnector

•Internalspeaker(availableonsomemodels)

•Microphoneconnector

Input/Output(I/O)features

•Serialconnector

•Audioconnectors(audioline-inconnector,audioline-outconnector,headphoneconnector,internal
speaker(availableonsomemodels)andmicrophoneconnector)

•Cardreaderslot(availableonsomemodels)

Chapter1.Productoverview9

•Displayconnectors(DisplayPortconnectorandVGAconnector)

•Ethernetconnector

•PS/2keyboardconnector(availableonsomemodels)

•PS/2mouseconnector(availableonsomemodels)

•USBconnectors

Expansion

•Cardreader(availableonsomemodels)

•Opticaldrive(availableonsomemodels)

•Storagedrivebay

•Memoryslots

•PCIcardslot

•PCIExpressx1cardslot

•PCIExpressx16graphicscardslot

•PCIExpresscardslot(physicallinkwidthx16;negotiablelinkwidthx4,x1)

Networkfeatures

•EthernetLAN

–TheintegratednetworkinterfacecardsupportstheEthernetconnectoronyourcomputer.
–Thediscretenetworkinterfacecard,whichisavailableonsomemodels,providesanadditional

Ethernetconnector.

•WirelessLAN(availableonsomemodels)

•Bluetooth(availableonsomemodels)

Securityfeatures

Formoreinformation,seeChapter4“Security”onpage29.

Systemmanagementfeatures

•Abilitytostorepower-onself-test(POST)hardwaretestresults

•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall

aspectsofacomputer.Theinformationincludesprocessortype,installationdate,connectedprintersand
otherperipherals,powersources,maintenancehistory,andsoon.

•ErPLPScompliancemode
Theenergy-relatedproductsdirective(ErP)lowestpowerstate(LPS)compliancemodereducesthe

consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnablingordisablingErPLPScompliancemode”onpage36

.

•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenablesyourcomputer

torunwithbetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalproblems.Formoreinformation,see“ChangingICE
PerformanceMode”onpage36and“EnablingordisablingtheICEThermalAlertfeature”onpage37.

•Intel

®

StandardManageability

IntelStandardManageabilityishardware-andfirmware-basedtechnologythatmakescomputerseasier
andlessexpensiveforbusinessestomonitor,maintain,update,upgrade,andrepair.

10ThinkCentreM73pUserGuide

•IntelActiveManagementT echnology(AMT)(availableonsomemodels)
IntelActiveManagementTechnologyishardware-andfirmware-basedtechnologythatmakescomputers

easierandlessexpensiveforbusinessestomonitor,maintain,update,upgrade,andrepair.

•IntelMatrixStorageManager
IntelMatrixStorageManagerisadevicedriverthatprovidessupportforSerialAdvancedTechnology

Attachment(SATA)RedundantArrayofIndependentDisks(RAID)5arraysandSATARAID10arrayson
specificIntelchipsetsystemboardstoenhanceharddiskperformance.

•PrebootExecutionEnvironment(PXE)
PrebootExecutionEnvironmentenablescomputerstostartthroughanetworkinterfaceindependentof

datastoragedrives(suchasharddiskdrives)orinstalledoperatingsystems.

•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
TheSMBIOSspecificationdefinesdatastructuresandaccessmethodsthatcanbeusedtoread

managementdatastoredintheBIOSofacomputer.

•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon

orwokenupbyanetworkmessage.Themessageusuallyissentbyaprogramrunningonanother
computeronthesameLAN.

•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecificationthatallowssupported

computersanddevicestoresumefromsleeporhibernationmode.

•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan

operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.

Chapter1.Productoverview11

Specifications

Thissectionliststhephysicalspecificationsforyourcomputer.

Dimensions

Width:160mm(6.3inches)
Height:388mm(15.3inches)
Depth:422mm(16.6inches)

Weight

Maximumconfigurationasshipped:7.5kg(16.5lb)

Environment

•Airtemperature:

Operating:From10°C(50°F)to35°C(95°F)
Storageinoriginalshippingpackage:From-40°C(-40°F)to60°C(140°F)
Storagewithoutpackage:From-10°C(14°F)to60°C(140°F)

•Humidity:

Operating:20%–80%(non-condensing)
Storage:20%–90%(non-condensing)

•Altitude:

Operating:From-15.2m(-50ft)to3048m(10000ft)
Storage:From-15.2m(-50ft)to10668m(35000ft)

Electricalinput

Inputvoltage:From100Vacto240Vac
Inputfrequency:50/60Hz

Programs

Thissectionprovidesinformationabouttheprogramsonyourcomputer.

Accessingaprogramonyourcomputer

Note:ForWindows7,dependingonyourcomputermodel,someoftheLenovoprogramsmightbereadyto

beinstalled,soyouneedtoinstallthemmanually.Then,youcanaccessandusetheseprograms.

Toaccessaprogramonyourcomputer,dooneofthefollowing:

•FromWindowsSearch:

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogramname

intothesearchbox.

–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.

2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.

•FromtheStartmenuorControlPanel:

1.ClicktheStartbuttontoopentheStartmenu.Then,clickthenameofthedesiredprogramto
launchtheprogram.

12ThinkCentreM73pUserGuide

2.Iftheprogramnameisnotdisplayed,clickAllProgramsforWindows7orAllappsforWindows
10todisplaytheprogramlist.Fromthelistorafolderinthelist,clickthenameofthedesired
programtolaunchtheprogram.

3.IftheprogramnameisnotdisplayedontheStartmenu,accesstheprogramfromControlPanel.
a.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickControlPanelontheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclick

ControlPanel.

b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickthenameofthedesired

programtolaunchtheprogram.

Installingaprogramthatisreadytobeinstalled

Toinstallaprogramthatisreadytobeinstalled,dothefollowing:

1.OpentheLenovoThinkVantage

®

Toolsprogram.See“Accessingaprogramonyourcomputer”on

page12.

2.ViewtheprogramiconsusingTiles.

3.Followtheinstructionsundergreyed-outiconstolocatetheiconforthedesiredprogram.Then,
double-clicktheicontoinstalltheprogram.

AnintroductiontoLenovoprograms

ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.

Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.

•ForWindows7only:

–CreateRecoveryMedia

TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage
drivetothefactory-defaultsettings.

–FingerprintManagerProorThinkVantageFingerprintSoftware

TheFingerprintManagerProorThinkVantageFingerprintSoftwareprogramenablesyoutousea
fingerprintreader.Theintegratedfingerprintreaderprovidedonsomekeyboardsenablesyoutoenroll
yourfingerprintandassociateitwithyourpower-onpassword,harddiskpassword,andWindows
password.Asaresult,fingerprintauthenticationcanreplacepasswordsandenablesimpleandsecure
useraccess.

–LenovoPowerENGAGE

TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.

–PasswordManager

ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.

–PowerManager

ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementfor
yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance
betweenperformanceandpowersaving.

–RescueandRecovery

®

TheRescueandRecoveryprogramisaone-buttonrecoveryandrestoresolution.Itincludesaset
ofself-recoverytoolstohelpyoudiagnosecomputerproblems,gethelp,andrecoverfromsystem
crashes,evenifyoucannotstarttheWindowsoperatingsystem.

Chapter1.Productoverview13

–SystemUpdate

TheSystemUpdateprogramprovidesregularaccesstothesystemupdatesforyourcomputer,such
asdevicedriverupdates,softwareupdates,andBIOSupdates.Theprogramgathersinformationfrom
theLenovoHelpCenteraboutnewupdatesforyourcomputer,thensortsanddisplaystheupdatesfor
downloadandinstallation.Y ouhavecompletecontrolofwhichupdatestodownloadandinstall.

•ForWindows10only:

–LenovoCompanion

Yourcomputer’sbestfeaturesandcapabilitiesshouldbeeasytoaccessandunderstand.WithLenovo
Companion,theyare.UseLenovoCompaniontodothefollowing:

–Optimizeyourcomputer’sperformance,monitoryourcomputer’shealth,andmanageupdates.
–Accessyouruserguide,checkwarrantystatus,andviewaccessoriescustomizedforyourcomputer.
–Readhow-toarticles,exploreLenovoforums,andstayup-to-dateontechnologynewswitharticles

andblogsfromtrustedsources.

LenovoCompanionisfilledwithexclusiveLenovocontenttohelpyoulearnmoreaboutwhatyou
candowithyourcomputer.

–LenovoID

TheLenovoIDprogramenablesyoutocreateyourLenovoIDandaccessallsupportedLenovo
programsandwebportalswithsinglesign-on.

•ForWindows7andWindows10:

–LenovoBluetoothLock

TheLenovoBluetoothLockprogramenablesyoutouseaBluetoothdevice(suchasyoursmartphone)
asaproximity-basedunitforlockingorunlockingyourcomputerautomatically.Bydetectingthe
distancebetweenyourcomputerandthepredefinedBluetoothdevicethatyouarecarrying,theLenovo
BluetoothLockprogramautomaticallylocksyourcomputerwhenyouwalkawayandunlocksyour
computerwhenyoucomeback.Thisisasimplewaytoprotectyourcomputeragainstunauthorized
accessincasethatyouforgettolockyourcomputer.

–LenovoDeviceExperienceorLenovoPCExperience

TheLenovoDeviceExperienceorLenovoPCExperienceprogramhelpsyouworkmoreeasilyand
securely.TheprogramprovideseasyaccesstoLenovoThinkVantageToolsorLenovoTools,important
settingsandinformationaboutyourcomputer,theLenovoSupportWebsite,andsoon.

–LenovoSolutionCenter

TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,
alongwithhintsandtipsformaximumsystemperformance.

–PCCloudManager

ThePCCloudManager(PCM)programisabrowser-basedsolutionforclient-computermanagement.
ThePCMprogramhastwocomponents:PCMServerandPCMClient.PCMServerisinstalledon
thecomputer,wheretheadministratorperformsmanagementwork,suchaspowermanagement
andsecuritymanagement.PCMClientisinstalledontheclientcomputerstobemanaged.The
administratorcanlogintoPCMServertomanagecomputerswithPCMClientinstalled,throughthe
InternetWebbrowser.

–REACHitorLenovoReach

TheREACHitorLenovoReachprogramenhancesyourcloudexperience.Thisprogramkeepsyou
connectedatalltimesandenablesyoutoaccessallyourfavoriteitemsfrompersonalcomputers,
smartphones,ortablets.Asaresult,youcanaccess,edit,andshareyourfilesfromanywhere.Y ou
alsocanaddyourfavoriteWebservicestoyourclouddesktopandstaylogged-intoWebsiteswith
thecloudpasswordmanager.

14ThinkCentreM73pUserGuide

–SHAREitorLenovoSHAREit

TheSHAREitorLenovoSHAREitprogramprovidesaquickandeasywaytosharefilesandfolders
amongcomputers,smartphones,tablets,orsmartTVswiththeAndroidortheWindowsoperating
systeminstalled.SHAREitorLenovoSHAREitusesanytypeofnetworkorevennonetworkatallto
sharefilesandfolders.

Chapter1.Productoverview15

16ThinkCentreM73pUserGuide

Chapter2.Usingyourcomputer

Thischaptercontainsthefollowingtopics:

•“Registeringyourcomputer”onpage17

•“Settingthecomputervolume”onpage17

•“AddinganicontotheWindowsnotificationarea”onpage17

•“Usingadisc”onpage17

•“Connectingtoanetwork”onpage19

Registeringyourcomputer

WhenyouregisteryourcomputerwithLenovo,youenterrequiredinformationintoaLenovodatabase.The
informationenablesLenovotocontactyouwhenthereisarecallorothersevereproblemandprovide
quickerservicewhenyoucallLenovoforhelp.Inaddition,somelocationsofferextendedprivilegesand
servicestoregisteredusers.

ToregisteryourcomputerwithLenovo,ensurethatyourcomputerisconnectedtotheInternet.Then,goto
http://www.lenovo.com/registerandfollowtheinstructionsonthescreen.

Settingthecomputervolume

Tosetthecomputervolume,dothefollowing:

1.ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage17.

2.Followtheinstructionsonthescreentoadjustthevolume.Clickthespeakericontomutetheaudio.

AddinganicontotheWindowsnotificationarea

ToaddanicontotheWindowsnotificationarea,dothefollowing:

1.Clickthearrownexttothenotificationareatoviewhiddenicons.Then,clickthedesirediconand
dragittothenotificationarea.

2.Iftheiconisnotdisplayed,turnontheicon.
a.ClicktheStartbuttontoopentheStartmenu.
b.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,and
thenclickNotificationAreaIcons➙T urnsystemiconsonoroff.

•ForWindows10:ClickSettings➙System➙Notifications&actions➙T urnsystemicons
onoroff.

c.Turnonthedesiredicon.

3.IftheiconisstillnotdisplayedintheWindowsnotificationarea,repeatstep1.

Usingadisc

Thissectionprovidesinformationaboutusingadiscandtheopticaldrive.

©CopyrightLenovo2015

17

Guidelinesaboutusingtheopticaldrive

Whenusingtheopticaldrive,followtheseguidelines:

•Donotplacethecomputerinalocationwherethedriveisexposedtoanyofthefollowingconditions:

–Hightemperature
–Highhumidity
–Excessivedust
–Excessivevibrationorsuddenshock
–Aninclinedsurface
–Directsunlight

•Donotinsertanyobjectotherthanadiscintothedrive.

•Donotinsertdamageddiscsintothedrive.Warped,scratched,ordirtydiscscandamagethedrive.

•Beforemovingthecomputer,removethediscfromthedrive.

Handlingandstoringadisc

Whenhandlingandstoringadisc,followtheseguidelines:

•Holdthediscbyitsedges.Donottouchthesurfaceofthesidethatisnotlabeled.

•Toremovedustorfingerprints,wipethediscwithaclean,softclothfromthecentertotheoutside.Wiping
thediscinacirculardirectionmightcauselossofdata.

•Donotwriteorstickpaperonthedisc.

•Donotscratchormarkthedisc.

•Donotplaceorstorethediscindirectsunlight.

•Donotusebenzene,thinners,orothercleanerstocleanthedisc.

•Donotdroporbendthedisc.

Playingandremovingadisc

Toplayadisc,dothefollowing:

1.Withthecomputeron,presstheeject/closebuttononthefrontoftheopticaldrive.Thetrayslides
outofthedrive.

2.Insertadiscintothetray.Someopticaldrivehasasnaphubinthecenterofthetray.Ifyourdrivehasa
snaphub,supportthetraywithonehandandthenpushcenterofthediscuntilitsnapsintoplace.

3.Presstheeject/closebuttonagainorgentlypushthetrayforwardtoclosethetray.Thediscplayer
programstartsautomatically.Formoreinformation,refertothehelpsystemofthediscplayerprogram.

Toremoveadiscfromtheopticaldrive,dothefollowing:

1.Withthecomputeron,presstheeject/closebuttononthefrontoftheopticaldrive.Thetrayslides
outofthedrive.

2.Carefullyremovethediscfromthetray.

3.Presstheeject/closebuttonagainorgentlypushthetrayforwardtoclosethetray.

Note:Ifthetraydoesnotslideoutofthedrivewhenyoupresstheeject/closebutton,turnoffyourcomputer.
Then,insertastraightenedpaperclipintotheemergency-ejectholeadjacenttotheeject/closebutton.
Usetheemergencyejectonlyinanemergency.

18ThinkCentreM73pUserGuide

Recordingadisc

Ifyouropticaldrivesupportsrecording,youcanrecordadisc.

RecordingadiscusingWindowstools

TorecordadiscusingWindowstools,dooneofthefollowing:

•BurnadiscusingtheAutoPlaywindow.

1.Ensurethatthediscisplayedautomatically.
a.ClicktheStartbuttontoopentheStartmenu.
b.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,

andthenclickAutoPlay.

–ForWindows10:ClickSettings➙Devices➙AutoPlay.

c.SelectorturnonUseAutoPlayforallmediaanddevices.

2.Insertarecordablediscintotheopticaldrivethatsupportsrecording.TheAutoPlaywindowopens.

3.Followtheinstructionsonthescreen.

•BurnadiscusingWindowsMedia

1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.

2.OpenWindowsMediaPlayer.See“Accessingaprogramonyourcomputer”onpage12.

3.Followtheinstructionsonthescreen.

•BurnadiscfromanISOfile.

1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.

2.Double-clicktheISOfile.

3.Followtheinstructionsonthescreen.

®

Player.

Recordingadiscusingpreinstalledprograms

Torecordadiscusingpreinstalledprograms,dothefollowing:

1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.

2.OpenthePowerDVDCreate,PowerProducer,orPower2Goprogram.See“Accessingaprogramon
yourcomputer”onpage12.

3.Followtheinstructionsonthescreen.

Connectingtoanetwork

Thissectionprovidesinformationaboutconnectingtoanetwork.Ifyoucannotconnectyourcomputertoa
network,see“Networkingproblems”onpage47.

ConnectingtoanEthernetLAN

YoucanconnectyourcomputertoanEthernetLANbyconnectinganEthernetcabletotheEthernet
connector.

DANGER

Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.

Chapter2.Usingyourcomputer19

ConnectingtoawirelessLAN

YoucanconnectyourcomputertoawirelessLANwithouttheuseofanEthernetcablebutbymeansof
radiowavesonly.

Note:ThewirelessLANfeatureissupportedonlyonsomemodels.

Toestablishawireless-LANconnection,dothefollowing:

1.EnsurethatawirelessLANisavailableandthewirelessLANfeatureonyourcomputerisworking.

2.Clickthewireless-network-connection-statusiconintheWindowsnotificationareatodisplayavailable
wirelessnetworks.

Note:Ifthewireless-network-connection-statusiconisnotdisplayedintheWindowsnotificationarea,
addtheicontothenotificationarea.See“AddinganicontotheWindowsnotificationarea”onpage17

3.ClickawirelessLAN,andthenclickConnecttoconnectyourcomputertoit.Providerequired
informationifneeded.

ConnectingtoaBluetooth-enableddevice

Bluetoothisashort-rangewirelesscommunicationstechnology.UseBluetoothtoestablishawireless
connectionbetweenyourcomputerandanotherBluetooth-enableddevicewithinadistanceofabout10
m(32.8ft).

Note:TheBluetoothfeatureissupportedonlyonsomemodels.

.

ToconnecttoaBluetooth-enableddevice,dothefollowing:

1.EnsurethattheBluetoothfeatureonyourcomputerisworkingandtheBluetooth-enableddeviceis
locatedwithinadistanceofabout10m(32.8ft)fromyourcomputer.

2.ClicktheBluetoothiconintheWindowsnotificationareaonthetaskbar.Then,clickAddaDeviceand
followtheinstructionsonthescreen.

Note:IftheBluetoothiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage17.

20ThinkCentreM73pUserGuide

Chapter3.Youandyourcomputer

Thischaptercontainsthefollowingtopics:

•“Arrangingyourworkspace”onpage21

•“Accessibilityinformation”onpage22

•“Cleaningyourcomputer”onpage25

•“Maintenance”onpage25

•“Movingyourcomputer”onpage27

Arrangingyourworkspace

Arrangeyourworkspacetosuityourneedsandthekindofworkyoudo.Thissectionprovidesinformation
aboutthefactorsthataffectthewayyouarrangeyourworkspace.

Glareandlighting

Positionthemonitortominimizeglareandreflectionsfromoverheadlights,windows,andotherlightsources.
Reflectedlightfromshinysurfacescancauseannoyingreflectionsonyourscreen.Whenpossible,place
themonitoratrightanglestowindowsandotherlightsources.Ifnecessary,reduceoverheadlighting
byturningofflightsorusinglowerwattagebulbs.Ifyouinstallthemonitornearawindow,usecurtains
orblindstoblockthesunlight.Y oucanadjustthebrightnessandcontrastcontrolsonthemonitorasthe
roomlightingchangesthroughouttheday.

Whereitisimpossibletoavoidreflectionsortoadjustthelighting,anantiglarefilterplacedoverthescreen
mightbehelpful.However,thesefiltersmightaffecttheclarityoftheimageonthescreen;trythemonlyafter
youhaveexhaustedothermethodsofreducingglare.

Aircirculation

Yourcomputerproducesheat.Thecomputerhasafanthatpullsinfreshairandforcesouthotairthrough
theairvents.Blockingtheairventscancauseoverheating,whichmightresultinamalfunctionordamage.
Positionthecomputersothatnothingblockstheairvents;usually,51mm(2inches)ofairspaceissufficient.
Ensurethattheventedairisnotblowingonpeople.

Electricaloutletlocationsandcablelengths

Thefollowingfactorsmightdeterminethefinalplacementofyourcomputer:

•Locationsofelectricaloutlets

•Lengthofpowercordsorpoweradapters

•Lengthofthecablesthatareconnectedtootherdevices

Formoreinformationaboutpowercordsorpoweradapters,see“Powercordsandpoweradapters”on
pageiv

.

Comfort

Althoughnosingleworkingpositionisidealforeveryone,hereareafewguidelinestohelpyoufindaposition
thatsuitsyoubest.Thefollowingfiguresetsanexampleforyourreference.

©CopyrightLenovo2015

21

•Screenposition:Keepthescreenatacomfortableviewingdistance,usually51-61cm(20-24inches).
Then,adjustthescreensothatthetopofthescreenisatorslightlybeloweyelevelandyoucanviewit
withouttwistingyourbody.

•Chairposition:Useachairthatgivesyougoodbacksupportandseatheightadjustment.Usechair
adjustmentstobestsuityourdesiredposture.

•Headposition:Keepyourheadandneckinacomfortableandneutral(verticalorupright)position.

•Armandhandpositions:Keepyourforearms,wrists,andhandsinarelaxedandneutral(horizontal)
position.Typewithasofttouchwithoutpoundingthekeys.

•Legposition:Keepyourthighsparalleltothefloorandyourfeetflatonthefloororonafootrest.

Makeminormodificationsinyourworkingposturetodetertheonsetofdiscomfortcausedbylongperiodsof
workinginthesameposition.Frequent,shortbreaksfromyourworkalsohelptopreventminordiscomfort
associatedwithyourworkingposture.

Accessibilityinformation

Lenovoiscommittedtoprovidinguserswhohavehearing,vision,andmobilitylimitationswithgreater
accesstoinformationandtechnology.Thissectionprovidesinformationaboutthewaystheseuserscanget
themostoutoftheircomputerexperience.Youalsocangetthemostup-to-dateaccessibilityinformation
fromthefollowingWebsite:
http://www.lenovo.com/accessibility

Keyboardshortcuts

Thefollowingtablecontainskeyboardshortcutsthatcanhelpmakeyourcomputereasiertouse.

Note:Dependingonyourkeyboard,someofthefollowingkeyboardshortcutsmightnotbeavailable.

KeyboardshortcutFunction

Windowslogokey+U

RightShiftforeightseconds

ShiftfivetimesTurnonorturnoffStickyKeys

NumLockforfivesecondsTurnonorturnoffToggleKeys

LeftAlt+LeftShift+NumLock

LeftAlt+LeftShift+PrtScn(orPrtSc)TurnonorturnoffHighContrast

OpenEaseofAccessCenter

TurnonorturnoffFilterKeys

TurnonorturnoffMouseKeys

Formoreinformation,gotohttp://windows.microsoft.com/,andthenperformasearchusinganyofthe
followingkeywords:keyboardshortcuts,keycombinations,shortcutkeys.

22ThinkCentreM73pUserGuide

EaseofAccessCenter

EaseofAccessCenterontheWindowsoperatingsystemenablesuserstoconfiguretheircomputersto
suittheirphysicalandcognitiveneeds.

TouseEaseofAccessCenter,dothefollowing:

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,and
thenclickEaseofAccessCenter.

•ForWindows10:ClickSettings➙EaseofAccess.

3.Choosetheappropriatetoolbyfollowingtheinstructionsonthescreen.

EaseofAccessCentermainlyincludesthefollowingtools:

•Magnifier
Magnifierisausefulutilitythatenlargestheentirescreenorpartofthescreensothatyoucansee

theitemsbetter.

•Narrator
Narratorisascreenreaderthatreadsaloudwhatisdisplayedonthescreenanddescribeseventssuchas

errormessages.

•On-ScreenKeyboard
Ifyouprefertotypeorenterdataintoyourcomputerusingamouse,joystick,orotherpointingdevice

insteadofaphysicalkeyboard,youcanuseOn-ScreenKeyboard.On-ScreenKeyboarddisplaysavisual
keyboardwithallthestandardkeys.

•HighContrast
HighContrastisafeaturethatheightensthecolorcontrastofsometextandimagesonyourscreen.Asa

result,thoseitemsaremoredistinctandeasiertoidentify.

•Personalizedkeyboard
Adjustkeyboardsettingstomakeyourkeyboardeasiertouse.Forexample,youcanuseyourkeyboard

tocontrolthepointerandtypecertainkeycombinationseasier.

•Personalizedmouse
Adjustmousesettingstomakeyourmouseeasiertouse.Forexample,youcanchangethepointer

appearanceandmakeiteasiertomanagewindowswiththemouse.

SpeechRecognition

SpeechRecognitionenablesyoutocontrolyourcomputerbyvoice.

Usingonlyyourvoice,youcanstartprograms,openmenus,clickobjectsonthescreen,dictatetextinto
documents,andwriteandsende-mails.Everythingyoudowiththekeyboardandmousecanbedonewith
onlyyourvoice.

TouseSpeechRecognition,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickSpeech
Recognition.

Chapter3.Youandyourcomputer23

3.Followtheinstructionsonthescreen.

Screen-readertechnologies

Screen-readertechnologiesareprimarilyfocusedonsoftwareprograminterfaces,helpinformationsystems,
andvariousonlinedocuments.Foradditionalinformationaboutscreenreaders,seethefollowing:

•UsingPDFswithscreenreaders:
http://www.adobe.com/accessibility.html?promoid=DJGVE

•UsingtheJAWSscreenreader:
http://www.freedomscientific.com/jaws-hq.asp

•UsingtheNVDAscreenreader:
http://www.nvaccess.org/

Screenresolution

Youcanmakethetextandimagesonyourscreeneasiertoreadbyadjustingthescreenresolutionofyour
computer.

Toadjustthescreenresolution,dothefollowing:

1.Right-clickablankareaonthedesktop.

2.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickScreenresolution.

•ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings.

3.Followtheinstructionsonthescreen.

Note:Settingtheresolutiontoolowmightpreventsomeitemsfromfittingonthescreen.

Customizableitemsize

Youcanmaketheitemsonyourscreeneasiertoreadbychangingtheitemsize.

•Tochangetheitemsizetemporarily,usetheMagnifiertoolinEaseofAccessCenter.See“Easeof
AccessCenter”onpage23.

•Tochangetheitemsizepermanently,dothefollowing:

–Changethesizeofalltheitemsonyourscreen.

1.Right-clickablankareaonthedesktop.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickScreenresolution➙Maketextandotheritemslargerorsmaller.
–ForWindows10:ClickDisplaysettings.

3.Changetheitemsizebyfollowingtheinstructionsonthescreen.

4.ClickApply.Thischangewilltakeeffectthenexttimeyoulogintotheoperatingsystem.

–ChangethesizeoftheitemsonaWebpage.

PressandholdCtrl,andthenpresstheplus-signkey(+)toenlargeortheminus-signkey(-)to
reducethetextsize.

–Changethesizeoftheitemsonthedesktoporawindow.

Note:Thisfunctionmightnotworkonsomewindows.
Ifyourmousehasawheel,pressandholdCtrl,andthenscrollthewheeltochangetheitemsize.

24ThinkCentreM73pUserGuide

Industry-standardconnectors

Yourcomputerprovidesindustry-standardconnectorsthatenableyoutoconnectassistivedevices.

Formoreinformationaboutthelocationandfunctionoftheconnectors,see“Hardwarelocations”on
page1.

TTY/TDDconversionmodem

Yourcomputersupportstheuseofatexttelephone(TTY)orthetelecommunicationsdeviceforthedeaf
(TDD)conversionmodem.ThemodemmustbeconnectedbetweenyourcomputerandaTTY/TDD
telephone.Then,youcantypeamessageonyourcomputerandsendittothetelephone.

Documentationinaccessibleformats

Lenovoprovideselectronicdocumentationinaccessibleformats,suchasproperlytaggedPDFfilesor
HyperTextMarkupLanguage(HTML)files.Lenovoelectronicdocumentationisdevelopedtoensure
thatvisuallyimpaireduserscanreadthedocumentationthroughascreenreader.Eachimageinthe
documentationalsoincludesadequatealternativetextsothatvisuallyimpaireduserscanunderstandthe
imagewhentheyuseascreenreader.

Cleaningyourcomputer

CAUTION:
Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnected
tothecomputer.

Itisagoodpracticetocleanyourcomputerperiodicallytoprotectthesurfacesandensuretrouble-free
operation.Useonlymildcleaningsolutionsandadampclothtocleanthepaintedsurfacesofthecomputer.

Dustbuildupcompoundsproblemsassociatedwithglare,soremembertocleanthescreenperiodically.
Wipethescreensurfacegentlywithasoft,drycloth,orblowonthescreentoremovegritandotherloose
particles.Dependingonthetypeofthescreen,moistenasoft,lint-freeclothwithanLCDcleanerorliquid
glasscleanerandthenwipethescreensurface.

Maintenance

Withappropriatecareandmaintenance,yourcomputerwillserveyoureliably.Thissectionprovides
informationaboutmaintainingyourcomputersothatitcankeepworkingintoporder.

Basicmaintenancetips

Herearesomebasicpointsaboutkeepingyourcomputerfunctioningproperly:

•Keepyourcomputerinaclean,dryenvironment.Ensurethatthecomputerrestsonaflat,steadysurface.

•Donotcoveranyofairvents.Theseairventsprovideairflowtokeepyourcomputerfromoverheating.

•Keepfoodanddrinksawayfromallpartsofyourcomputer.Foodparticlesandspillsmightmakethe
keyboardandmousestickandunusable.

•Donotgetthepowerswitchesorothercontrolswet.Moisturecandamagethesepartsandcausean
electricalhazard.

•Alwaysdisconnectapowercordbygraspingthepluginsteadofthecord.

Chapter3.Youandyourcomputer25

Goodmaintenancepractices

Byperformingafewgoodmaintenancepractices,youcanmaintaingoodcomputerperformance,protect
yourdata,andbepreparedincaseofacomputerfailure.

•Keepyourcomputersoftware,devicedrivers,andoperatingsystemup-to-date.See“Keepingyour
computercurrent”onpage26

•Emptyyourrecyclebinonaregularbasis.

•CleanoutyourInbox,SentItems,andDeletedItemsfoldersinyoure-mailapplicationonaregularbasis.

•Cleanupfilesandfreeupstoragedrivespaceandmemoryspaceoccasionallytopreventperformance
problems.See“Performanceproblems”onpage49

•Keepalogbook.Entriesmightincludemajorsoftwareorhardwarechanges,device-driverupdates,
intermittentproblemsandwhatyoudidtoresolvethem,andotherissuesyoumighthaveexperienced.
Thecauseofaproblemmightbechangeinhardware,changeinsoftware,oranyotheractionsthatmight
havetakenplace.AlogbookcanhelpyouoraLenovotechniciandeterminethecauseofaproblem.

•Backupyourdataonthestoragedriveregularly.Youcanrestorethestoragedrivefromabackup.
Tobackupyourdata,dooneofthefollowing:

–ForWindows7:OpentheRescueandRecoveryprogram.See“Accessingaprogramonyour

computer”onpage12
oftheprogram.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl

Panel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickFileHistory.Followthe
instructionsonthescreen.

•Createarecoverymediumasearlyaspossible.Y oucanusetherecoverymediumtorecoveryour
operatingsystemevenifWindowsfailstostartup.

Tocreatearecoverymedium,dooneofthefollowing:

.

.

.Formoreinformationaboutbackingupyourdata,refertothehelpsystem

–ForWindows7:OpentheCreateRecoveryMediaprogram.See“Accessingaprogramonyour

computer”onpage12
systemoftheprogram.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl

Panel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickRecovery.Followthe
instructionsonthescreen.

•ForWindows7,createarescuemediumasearlyaspossible.Youcanusetherescuemediumto
recoverfromfailuresthatpreventyoufromgainingaccesstotheRescueandRecoveryworkspace
onyourstoragedrive.

Tocreatearescuemedium,opentheRescueandRecoveryprogram.See“Accessingaprogramonyour
computer”onpage12
oftheprogram.

.Formoreinformationaboutcreatingarecoverymedium,refertothehelp

.Formoreinformationaboutcreatingarescuemedium,refertothehelpsystem

Keepingyourcomputercurrent

Inmostcases,itisagoodpracticetohavethemostup-to-dateoperatingsystemupdatepatches,software
programs,anddevicedrivers.Thissectionprovidesinformationabouthowtogetthelatestupdatesforyour
computer.

Gettingthelatestdevicedrivers

Attention:Reinstallingdevicedriverswillchangethecurrentconfigurationofyourcomputer.

Togetthelatestdevicedriversforyourcomputer,dooneofthefollowing:

•Downloadthedevicedriversthatarepreinstalledonyourcomputer.Gotohttp://www.lenovo.com/drivers.

26ThinkCentreM73pUserGuide

•UsetheLenovoprogramorWindowsUpdate.See“Gettingthelatestsystemupdates”onpage27.

Note:ThedevicedriversprovidedbyWindowsUpdatemightnotbetestedbyLenovo.Itisrecommended
thatyougetdevicedriversfromLenovo.

Gettingthelatestsystemupdates

Togetthelatestsystemupdatesforyourcomputer,ensurethatyourcomputerisconnectedtotheInternet
anddooneofthefollowing:

•UseoneofthefollowingLenovoprogramstogetthesystemupdates,suchasdevicedriverupdates,
softwareupdates,andBIOSupdates:

–ForWindows7:UsetheSystemUpdateprogram.
–ForWindows10:UsetheLenovoCompanionprogram.
ToopentheSystemUpdateorLenovoCompanionprogram,see“Accessingaprogramonyourcomputer”

onpage12

•UseWindowsUpdatetogetthesystemupdates,suchassecurityfixes,newversionsofWindows
components,anddevicedriverupdates.

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,and

–ForWindows10:ClickSettings➙Update&security➙WindowsUpdate.

3.Followtheinstructionsonthescreen.

.Formoreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.

thenclickWindowsUpdate.

Movingyourcomputer

Beforemovingyourcomputer,takethefollowingprecautions:

1.Backupyourdataonthestoragedrive.See“Goodmaintenancepractices”onpage26.

2.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

3.Ifyousavedtheoriginalshippingcartonsandpackingmaterials,usethemtopacktheunits.Ifyouare
usingdifferentcartons,cushiontheunitstoavoiddamage.

Movingyourcomputertoanothercountryorregion

Whenyoumoveyourcomputertoanothercountryorregion,youmusttakelocalelectricalstandardsinto
consideration.Ifthelocalelectricaloutletstyleisdifferentfromthetypeyouarecurrentlyusing,contactthe
LenovoCustomerSupportCentertopurchaseeitheranelectricalplugadapteroranewpowercord.Fora
listofLenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.Ifyoucannotfindthe
supporttelephonenumberforyourcountryorregion,contactyourLenovoreseller.

Chapter3.Youandyourcomputer27

28ThinkCentreM73pUserGuide

Chapter4.Security

Thischaptercontainsthefollowingtopics:

•“Lockingyourcomputer”onpage29

•“ViewingandchangingsecuritysettingsintheSetupUtilityprogram”onpage31

•“Preventingunauthorizedaccesstoyourcomputer”onpage31

•“Usingfingerprintauthentication”onpage32

•“Usingandunderstandingfirewalls”onpage32

•“Protectingdataagainstviruses”onpage32

•“ComputraceAgentsoftwareembeddedinfirmware”onpage33

•“TrustedPlatformModule(TPM)”onpage33

Lockingyourcomputer

Thissectionprovidesinformationaboutlockingyourcomputerwiththelockingdevicestokeepyour
computersafe.

Lockingthecomputercover

Lockingthecomputercoverhelpspreventunauthorizedpeoplefromgainingaccesstotheinsideofyour
computer.Yourcomputercomeswithapadlockloopsothatthecomputercovercannotberemoved
whenapadlockisinstalled.

Figure6.Installingapadlock

©CopyrightLenovo2015

29

AttachingaKensington-stylecablelock

YoucanuseaKensington-stylecablelocktosecureyourcomputertoadesk,table,orothernon-permanent
fixture.Thecablelockconnectstothesecurity-lockslotattherearofyourcomputer.Dependingonthetype
selected,thecablelockcanbeoperatedwithakeyorcombination.Thecablelockalsolocksthebuttons
usedtoopenthecomputercover.Thisisthesametypeoflockusedwithmanynotebookcomputers.You
canordersuchacablelockdirectlyfromLenovobysearchingforKensingtonat:
http://www.lenovo.com/support

Figure7.Kensington-stylecablelock

30ThinkCentreM73pUserGuide

Attachingacablelock

Acablelockcanbeusedtosecuredevices,suchasthekeyboardandthemouse,bylockingthedevice
cablestoyourcomputer.Thecablelockconnectstothecable-lockslotsontherearofyourcomputer.

Toinstallacablelock,dothefollowing:

1.Inserttheclip1intothecable-lockslot4.

2.Pullthecablesyouwanttolockthroughthedentsinthecablelock.

3.Presstheclip2intothecable-lockslot3untilitsnapsintoposition.

Figure8.Installingacablelock

ViewingandchangingsecuritysettingsintheSetupUtilityprogram

ToviewandchangesecuritysettingsintheSetupUtilityprogram,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectSecurity.

3.Followtheinstructionsontherightsideofthescreentoviewandchangesecuritysettings.Youcan
referto“UsingtheSetupUtilityprogram”onpage35togetbasicinformationaboutsomemajor
securitysettings.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

Preventingunauthorizedaccesstoyourcomputer

YoucanuseBIOSpasswordsandWindowsaccountstopreventunauthorizedaccesstoyourcomputerand
data.

Chapter4.Security31

•TouseBIOSpasswords,see“UsingBIOSpasswords”onpage38.

•TouseWindowsaccounts,dothefollowing:

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickControlPanel➙UserAccounts.
–ForWindows10:ClickSettings➙Accounts.

3.Followtheinstructionsonthescreen.

Usingfingerprintauthentication

Ifyourkeyboardhasafingerprintreader,youcanusefingerprintauthenticationtoreplacepasswordsfor
simpleandsecureuseraccess.T ousefingerprintauthentication,firstenrollyourfingerprintsandassociate
themwithyourpasswords(suchasthepower-onpassword,harddiskpassword,andWindowspassword).
Usethefingerprintreaderandthefingerprintprogramtocompletethisprocedure.

Tousefingerprintauthentication,dooneofthefollowing:

•ForWindows7:UsetheFingerprintManagerProorThinkVantageFingerprintSoftwareprogramprovided
byLenovo.T oopentheprogram,see“Accessingaprogramonyourcomputer”onpage12
informationaboutusingtheprogram,refertothehelpsystemoftheprogram.

•ForWindows10:UsethefingerprinttoolprovidedbyWindows.ClicktheStartbuttontoopentheStart
menu,andthenclickSettings➙Accounts➙Sign-inoptions.Followtheinstructionsonthescreen.

.Formore

Tousethefingerprintreader,refertothedocumentationshippedwiththefingerprintkeyboardorlocatedon
theLenovoSupportWebsiteathttp://www.lenovo.com/support/keyboards.

Usingandunderstandingfirewalls

Afirewallcanbehardware,software,oracombinationofbothdependingonthelevelofsecurityrequired.
Firewallsworkonasetofrulestodeterminewhichinboundandoutboundconnectionsareauthorized.If
yourcomputerispreinstalledwithafirewallprogram,ithelpsprotectagainstcomputerInternetsecurity
threats,unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.Formore
informationabouthowtousethefirewallprogram,refertothehelpsystemofyourfirewallprogram.

TouseWindowsFirewall,dothefollowing

1.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickWindows
Firewall.

3.Followtheinstructionsonthescreen.

Protectingdataagainstviruses

Yourcomputerispreinstalledwithanantivirusprogramtohelpyouguardagainst,detect,andeliminate
viruses.

Lenovoprovidesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After
30days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.

32ThinkCentreM73pUserGuide

Note:Virusdefinitionfilesmustbekeptup-to-datetoguardagainstnewviruses.

Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.

ComputraceAgentsoftwareembeddedinfirmware

TheComputraceAgentsoftwareisanITassetmanagementandcomputertheftrecoverysolution.The
softwaredetectsifchangeshavebeenmadeonthecomputer,suchashardware,software,orthecomputer
call-inlocation.YoumighthavetopurchaseasubscriptiontoactivatetheComputraceAgentsoftware.

TrustedPlatformModule(TPM)

TPMisasecurecryptoprocessorthatcanstorecryptographickeysthatprotectinformationstoredinyour
computer.

Chapter4.Security33

34ThinkCentreM73pUserGuide

Chapter5.Advancedconfiguration

Thischaptercontainsthefollowingtopics:

•“UsingtheSetupUtilityprogram”onpage35

•“UpdatingtheBIOS”onpage40

UsingtheSetupUtilityprogram

TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofyourcomputer.This
sectionprovidesinformationaboutonlythemajorconfigurationsettingsavailableintheprogram.

Note:TheoperatingsystemsettingsmightoverrideanysimilarsettingsintheSetupUtilityprogram.

StartingtheSetupUtilityprogram

TostarttheSetupUtilityprogram,dothefollowing:

1.T urnonorrestartyourcomputer.

2.BeforeWindowsstartsup,repeatedlypressandreleasetheF1keyuntiltheSetupUtilityprogram
opens.IfaBIOSpasswordhasbeenset,theSetupUtilityprogramwillnotopenuntilyouenterthe
correctpassword.Formoreinformation,see“UsingBIOSpasswords”onpage38

Note:Forsomekeyboards,youmightneedtopressFn+F1toopentheSetupUtilityprogram.

.

Toviewandchangetheconfigurationsettings,followtheinstructionsontherightsideofthescreen.The
keysusedtoperformvarioustasksaredisplayedatthebottomofthescreen.

Enablingordisablingadevice

Thissectionprovidesinformationabouthowtoenableordisableuseraccesstohardwaredevices(such
asUSBconnectorsorstoragedrives).

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectDevices.

3.SelectthedeviceyouwanttoenableordisableandpressEnter.

4.SelectthedesiredsettingandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

EnablingordisablingtheAutomaticPowerOnfeatures

IfyouenabletheAutomaticPowerOnfeatures,yourcomputerwillstartupautomatically.

ToenableordisabletheAutomaticPowerOnfeatures,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectPower➙AutomaticPowerOnandpressEnter.

3.SelectthefeatureyouwanttoenableordisableandpressEnter.

4.SelectthedesiredsettingandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

©CopyrightLenovo2015

35

EnablingordisablingErPLPScompliancemode

Lenovocomputersmeettheeco-designrequirementsoftheErPLot3regulation.Formoreinformation,go
to:
http://www.lenovo.com/ecodeclaration

YoucanenableErPLPScompliancemodeintheSetupUtilityprogramtoreducetheconsumptionof
electricitywhenyourcomputerisofforinsleepmode.

ToenableordisableErPLPScompliancemode,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectPower➙EnhancedPowerSavingModeandpressEnter.

3.DependingonwhetheryouselectEnabledorDisabled,dooneofthefollowing:

•IfyouselectEnabled,pressEnter.Then,disabletheWakeonLANfeature.See“Enablingor
disablingtheAutomaticPowerOnfeatures”onpage35.

•IfyouselectDisabled,pressEnter.Then,gotothenextstep.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

WhenErPLPScompliancemodeisenabled,youcanwakeupyourcomputerbydoingoneofthefollowing:

•Pressthepowerbutton.

•EnabletheWakeUponAlarmfeaturetomakeyourcomputerwakeupatasettime.See“Enablingor
disablingtheAutomaticPowerOnfeatures”onpage35.

•EnabletheAfterPowerLossfeaturetomakeyourcomputerwakeupwhenthepowersupplyresumes
afterasuddenlossofelectricity.

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectPower➙AfterPowerLossandpressEnter.

3.SelectPowerOnandpressEnter.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

ChangingICEPerformanceMode

YoucanadjusttheacousticandthermalperformanceofyourcomputerthroughtheICEPerformance
Modemenu.T wochoicesareavailable:

•BetterAcousticPerformance(defaultsetting)

•BetterThermalPerformance

ByenablingBetterAcousticPerformance,yourcomputerwillrunwithlessnoiseatanormalthermal
level.ByenablingBetterThermalPerformance,yourcomputerwillrunatabetterthermallevelwith
normalacousticperformance.

Toswitchbetweenbetteracousticperformanceandbetterthermalperformance,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectPower➙IntelligentCoolingEngine(ICE)andpressEnter.

3.SelectICEPerformanceModeandpressEnter.

4.SelectBetterAcousticPerformanceorBetterThermalPerformanceasdesiredandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

36ThinkCentreM73pUserGuide

EnablingordisablingtheICEThermalAlertfeature

IfyouenabletheICEthermalalertfeature,whencriticalthermalsituationsoccur,suchasmalfunctioning
fans,abnormallyhightemperature,orpoorcoolingperformances,analertlogwillbewrittenintothe
Windowssystemlog.Thealertlogcanhelpyouidentifythethermalproblems.

ToenableordisabletheICEThermalAlertfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectPower➙IntelligentCoolingEngine(ICE)andpressEnter.

3.SelectICEThermalAlertandpressEnter.

4.SelectthedesiredsettingandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

EnablingordisablingtheConfigurationChangeDetectionfeature

IfyouenabletheConfigurationChangeDetectionfeature,whenthePOSTdetectstheconfigurationchanges
ofsomehardwaredevices(suchasstoragedrivesormemorymodules),anerrormessagewillbedisplayed
whenyouturnonthecomputer.

ToenableordisabletheConfigurationChangeDetectionfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectSecurity➙ConfigurationChangeDetectionandpressEnter.

3.SelectthedesiredsettingandpressEnter.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

Tobypasstheerrormessageandlogintotheoperatingsystem,dooneofthefollowing:

•PresstheF2key.

Note:Forsomekeyboards,youmightneedtopressFn+F2tobypasstheerrormessage.

•StartandthenexittheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35
“ExitingtheSetupUtilityprogram”onpage40.

Usingthecoverpresenceswitch

Thecoverpresenceswitchpreventsyourcomputerfromloggingintotheoperatingsystemwhenthe
computercoverisnotproperlyinstalledorclosed.

Toenablethecover-presence-switchconnectoronthesystemboard,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectSecurity➙ChassisIntrusionDetectionandpressEnter.

Note:TheChassisIntrusionDetectionfeatureisavailableonlywhenanadministratorpasswordis
set.See“UsingBIOSpasswords”onpage38

3.SelectEnabledandpressEnter.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

Whenthecover-presence-switchconnectoronthesystemboardisenabled,ifthecoverpresenceswitch
detectsthatthecomputercoverisnotcorrectlyinstalledorclosed,anerrormessagewillbedisplayedwhen
youturnonthecomputer.Tobypasstheerrormessageandlogintotheoperatingsystem,dothefollowing:

1.Properlyinstallorcloseyourcomputercover.SeeChapter7“Installingorreplacinghardware”on
page55.

.

and

Chapter5.Advancedconfiguration37

2.StartandthenexittheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35and
“ExitingtheSetupUtilityprogram”onpage40

.

UsingBIOSpasswords

ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstoyourcomputer
anddata.

Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimprovescomputer
security.Ifyoudecidetosetanypasswords,readthefollowingtopics.

SetupUtilityprogrampasswordtypes

Thefollowingtypesofpasswordsareavailable:

•Power-onpassword
Whenapower-onpasswordisset,youarepromptedtoenteravalidpasswordeachtimethecomputeris
turnedon.Thecomputercannotbeuseduntilthevalidpasswordisentered.

•Administratorpassword
Settinganadministratorpassworddetersunauthorizedusersfromchangingconfigurationsettings.Ifyou
areresponsibleformaintainingtheconfigurationsettingsofseveralcomputers,youmightwanttoset
anadministratorpassword.

Whenanadministratorpasswordisset,youarepromptedtoenteravalidpasswordeachtimeyou
trytoaccesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalid
passwordisentered.

Ifboththepower-onpasswordandadministratorpasswordareset,youcanentereitherpassword.
However,youmustuseyouradministratorpasswordtochangeanyconfigurationsettings.

•Harddiskpassword
Settingaharddiskpasswordpreventsunauthorizedaccesstothedataonthestoragedrive.Whena
harddiskpasswordisset,youarepromptedtoenteravalidpasswordeachtimeyoutrytoaccess
thestoragedrive.

Notes:

–Afteryousetaharddiskpassword,yourdataonthestoragedriveisprotectedevenifthestoragedrive

isremovedfromonecomputerandinstalledinanother.

–Iftheharddiskpasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafrom

thestoragedrive.

Passwordconsiderations

Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.

Note:TheSetupUtilityprogrampasswordsarenotcasesensitive.

Tosetastrongpassword,considerthefollowingguidelines:

•Haveatleasteightcharactersinlength

•Containatleastonealphabeticcharacterandonenumericcharacter

•Notbeyournameoryourusername

•Notbeacommonwordoracommonname

•Besignificantlydifferentfromyourpreviouspasswords

38ThinkCentreM73pUserGuide

Setting,changing,anddeletingapassword

Toset,change,ordeleteapassword,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

2.SelectSecurity.

3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPasswordandpressEnter.

4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.

Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage38.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

Erasinglostorforgottenpasswords(clearingCMOS)

Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.

Toerasealostorforgottenpassword,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.SeeChapter7“Installingorreplacinghardware”onpage55.

3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Hardwarelocations”onpage1.

4.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).

5.Reinstallthecomputercoverandconnectthepowercord.SeeChapter7“Installingorreplacing
hardware”onpage55.

6.T urnonthecomputerandleaveitonforapproximately10seconds.Then,turnoffthecomputerby
holdingthepowerbuttonforapproximatelyfiveseconds.

7.Repeatstep1throughstep2.

8.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).

9.Reinstallthecomputercoverandconnectthepowercord.

Selectingastartupdevice

Ifyourcomputerdoesnotstartupfromadeviceasexpected,youcanchoosetochangethestartupdevice
sequencepermanentlyorselectatemporarystartupdevice.

Changingthestartupdevicesequencepermanently

Tochangethestartupdevicesequencepermanently,dothefollowing:

1.Dependingonthetypeofthestoragedevice,dooneofthefollowing:

•Ifthestoragedeviceisinternal,gotostep2.

•Ifthestoragedeviceisadisc,ensurethatyourcomputerisonorturnonthecomputer.Then,

insertthediscintotheopticaldrive.

•Ifthestoragedeviceisanexternaldeviceotherthanadisc,connectthestoragedevicetothe

computer.

2.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage35.

3.SelectStartup.

4.Followtheinstructionsontherightsideofthescreentochangethestartupdevicesequence.

Chapter5.Advancedconfiguration39

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage40.

Selectingatemporarystartupdevice

Note:Notalldiscsandstoragedrivesarebootable.

Toselectatemporarystartupdevice,dothefollowing:

1.Dependingonthetypeofthestoragedevice,dooneofthefollowing:

•Ifthestoragedeviceisinternal,gotostep2.

•Ifthestoragedeviceisadisc,ensurethatyourcomputerisonorturnonthecomputer.Then,
insertthediscintotheopticaldrive.

•Ifthestoragedeviceisanexternaldeviceotherthanadisc,connectthestoragedevicetothe
computer.

2.T urnonorrestartthecomputer.BeforeWindowsstartsup,repeatedlypressandreleasetheF12key
untilStartupDeviceMenuisdisplayed.

Note:Forsomekeyboards,youmightneedtopressFn+F12todisplayStartupDeviceMenu.

3.SelectthedesiredstoragedeviceandpressEnter.Thecomputerwillstartupfromthedeviceyouselect.

Ifyouwanttoselectapermanentstartupdevice,selectEnterSetuponStartupDeviceMenuandpress
EntertostarttheSetupUtilityprogram.Formoreinformationabouthowtoselectapermanentstartup
device,see“Changingthestartupdevicesequencepermanently”onpage39.

ExitingtheSetupUtilityprogram

ToexittheSetupUtilityprogram,dooneofthefollowing:

•Ifyouwanttosavethenewsettings,presstheF10key.Then,selectY esinthewindowdisplayed
andpressEnter.

Note:Forsomekeyboards,youmightneedtopressFn+F10toexittheSetupUtilityprogram.

•Ifyoudonotwanttosavethenewsettings,selectExit➙DiscardChangesandExitandpressEnter.
Then,selectY esinthewindowdisplayedandpressEnter.

UpdatingandrecoveringtheBIOS

TheBIOSisthefirstprogramthatthecomputerrunswhenyouturnonthecomputer.TheBIOSinitializesthe
hardwarecomponentsandloadstheoperatingsystemandotherprograms.

UpdatingtheBIOS

Whenyouinstallanewprogram,hardwaredevice,ordevicedriver,youmightbeinformedtoupdate
theBIOS.Y oucanupdatetheBIOSfromyouroperatingsystemoraflashupdatedisc(supportedonly
onsomemodels).

ToupdatetheBIOS,dothefollowing:

1.Gotohttp://www.lenovo.com/drivers.

2.DownloadtheflashBIOSupdatedriverfortheoperatingsystemversionortheISOimageversion(used
tocreateaflashupdatedisc).Then,downloadtheinstallationinstructionsfortheflashBIOSupdate
driveryoudownload.

3.PrinttheinstallationinstructionsyoudownloadandfollowtheinstructionstoupdatetheBIOS.

Note:IfyouwanttoupdatetheBIOSfromaflashupdatedisc,theinstallationinstructionsmightnotprovide
theinformationabouthowtorecordtheupdatedisc.See“Recordingadisc”onpage19.

40ThinkCentreM73pUserGuide

RecoveringfromaBIOSupdatefailure

TorecoverfromaBIOSupdatefailure,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.SeeChapter7“Installingorreplacinghardware”onpage55.

3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Hardwarelocations”onpage1.

4.RemoveanypartsandcablesthatimpedeyouraccesstotheClearCMOS/Recoveryjumper.

5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).

6.Reinstallthepartsandcablesthatwereremoved.

7.Reinstallthecomputercoverandreconnectanycablesthatweredisconnected.SeeChapter7
“Installingorreplacinghardware”onpage55.

8.T urnonthecomputerandinserttheBIOSupdatediscintotheopticaldrive.Waitafewminutes.The
recoveryprocessbegins.Aftertherecoveryprocessiscompleted,yourcomputerwillshutdown
automatically.

Note:Ifthecomputerdoesnotstartupfromthedisc,selectthediscasthestartupdevice.See
“Selectingatemporarystartupdevice”onpage40

9.Repeatstep1throughstep4.

10.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).

11.Repeatstep6throughstep7.Then,turnonyourcomputer.

.

Chapter5.Advancedconfiguration41

42ThinkCentreM73pUserGuide

Chapter6.Troubleshooting,diagnostics,andrecovery

Thischapterprovidessolutionstoresolveyourcomputerproblems.Followthestepsinthebasicprocedure
forresolvingcomputerproblems,whichhelpsyoumakegooduseofthetroubleshooting,diagnostics,
andrecoveryinformation.

•“Basicprocedureforresolvingcomputerproblems”onpage43

•“T roubleshooting”onpage43

•“Diagnostics”onpage51

•“Recoveryinformation”onpage51

Basicprocedureforresolvingcomputerproblems

Itisrecommendedthatyouusethefollowingproceduretoresolvecomputerproblemsyouareexperiencing:

1.Ensurethat:
a.Thecablesforallconnecteddevicesareconnectedcorrectlyandsecurely.
b.Allconnecteddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning

electricaloutlets.

c.AllconnecteddevicesareenabledintheBIOSsettingsofyourcomputer.See“Enablingordisabling

adevice”onpage35

Iftheseactionsdonotresolveyourproblem,continuewiththenextstep.

2.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetects
avirus,removethevirus.Iftheantivirusprogramdoesnotresolveyourproblem,continuewiththe
nextstep.

3.Goto“T roubleshooting”onpage43andfollowtheinstructionsforthetypeofproblemyouare
experiencing.Ifthesetroubleshootinginstructionsdonotresolveyourproblem,continuewiththe
nextstep.

4.Runthediagnosticprogram.See“Diagnostics”onpage51.Ifthediagnosticprogramdoesnotresolve
yourproblem,continuewiththenextstep.

5.Recoveryouroperatingsystem.See“Recoveryinformation”onpage51.

6.Ifnoneoftheseactionssolveyourproblem,contacttheLenovoCustomerSupportCenter.Foralistof
LenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.Formoreinformation
abouthelp,service,andtechnicalassistance,seeChapter8“Gettinginformation,help,andservice”
onpage79.

.

Troubleshooting

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.

Startupproblems

Thissectionprovidessolutionstostartup-relatedproblems.

Thecomputerdoesnotstartupwhenyoupressthepowerbutton

Solutions:Ensurethat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoaworkingelectricaloutlet.

©CopyrightLenovo2015

43

•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,ensurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletforyourcountryorregion.

Theoperatingsystemfailstostartup

Solution:Ensurethatthestartupsequenceincludesthedevicewheretheoperatingsystemresides.Usually,
theoperatingsystemisonthestoragedrive.Formoreinformation,see“Changingthestartupdevice
sequencepermanently”onpage39.

Thecomputerbeepsmultipletimesbeforetheoperatingsystemstartsup

Solution:Ensurethatnokeysarestuck.

Audioproblems

Thissectionprovidessolutionstoaudio-relatedproblems.

NoaudioinWindows

Solutions:

•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,ensurethat:

–TheOn/OffcontrolissettotheOnposition.
–Thespeakerpowercableisconnectedtoaproperlygrounded,functionalacelectricaloutlet.

•Ifyourexternalspeakershaveavolumecontrol,ensurethatthevolumeisnotsettoolow.

•ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.Ensurethatthemutespeakers
settingsarenotselectedandnoneofthevolumesettingsissettoolow.

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothenotification
area.See“AddinganicontotheWindowsnotificationarea”onpage17.

•Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
ensurethatthevolumeisnotsettoolow.

•Ensurethatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudio
connectoronthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.

Note:Whenexternal-speakerorheadphonecablesareconnectedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansion
slots,theaudiofunctionbuiltintothesystemboardisdisabled.Therefore,youmustusetheaudio
connectorsontheaudioadapter.

•EnsurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperatingsystem.
IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature.The
programmustbeconfiguredtouseSoundBlasterProorSoundBlasteremulation.

•Ensurethattheaudiodevicedriversarecorrectlyinstalled.

Soundcomesonlyfromoneexternalspeaker

Solutions:

•Ensurethatthespeakercableisinsertedcompletelyintotheconnectoronthecomputer.

•Ensurethatthecablethatconnectstheleftspeakertotherightspeakerissecurelyconnected.

•ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.Then,clickthespeakericonontop
ofthevolumecontrol.ClicktheLevelstabandensurethattheBalancesettingsaresetcorrectly.

44ThinkCentreM73pUserGuide

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothenotification

area.See“AddinganicontotheWindowsnotificationarea”onpage17

.

CDproblems

ThissectionprovidessolutionstoCD-relatedproblems.

ACDorDVDdoesnotwork

Solutions:

•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe
discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.

•Ensurethatthediscisinsertedcorrectly,withitslabelup.

•Ensurethatthediscyouareusingisclean.Toremovedustorfingerprints,wipethedisccleanwithasoft
clothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.

•Ensurethatthediscyouareusingisnotscratchedordamaged.Tryinsertinganotherdiscthatyou
knowisgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyouroptical
driveorthecablingtoyouropticaldrive.Ensurethatthepowercableandsignalcablearesecurely
connectedtothedrive.

Unabletouseabootablerecoverymedium,suchastheProductRecoveryCD,to
startyourcomputer

Solution:EnsurethattheCDorDVDdriveisinthestartupsequencebeforethestoragedrive.Referto
“Selectingatemporarystartupdevice”onpage40forinformationonviewingandchangingthestartup
sequence.Notethatonsomemodelsthestartupsequenceispermanentlysetandcannotbechanged.

DVDproblems

ThissectionprovidessolutionstoDVD-relatedproblems.

BlackscreeninsteadofDVDvideo

Solutions:

•RestarttheDVDplayerprogram.

•Tryalowerscreenresolutionorcolordepth.

•Closeanyopenfiles,andthenrestartthecomputer.

DVDmoviedoesnotplay

Solutions:

•Ensurethatthediscsurfaceiscleanandnotscratched.

•Checkthediscorpackageforregionalcoding.Y oumightneedtopurchaseadiscwithcodingfor
theregionwhereyouareusingyourcomputer.

NoaudioorintermittentaudiowhileplayingaDVDmovie

Solutions:

•Checkthevolumecontrolsettingsonyourcomputerandonyourspeakers.

•Ensurethatthediscsurfaceiscleanandnotscratched.

•Checkallcableconnectionstoandfromthespeakers.

•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.

Chapter6.Troubleshooting,diagnostics,andrecovery45

Playbackissloworchoppy

Solutions:

•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.

•Ensurethatvideoresolutionissettolessthan1152x864pixels.

Invaliddiscornodiscfoundmessage

Solutions:

•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.

•Ensurethatvideoresolutionissettolessthan1152x864pixels.

•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,ensurethatthe
DVDdiscisinthedrivelabeled“DVD”.

Intermittentproblems

Someproblemsoccuronlyoccasionallyandaredifficulttorepeat.

Solutions:

•Ensurethatallcablesandcordsaresecurelyconnectedtothecomputerandconnecteddevices.

•Ensurethatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.

•IfSmallComputerSystemInterface(SCSI)devicesareinstalled,ensurethatthelastexternaldevicein
eachSCSIchainisterminatedcorrectly.Formoreinformation,seeyourSCSIdocumentation.

Storagedriveproblems

Selectyoursymptomfromthefollowinglist:

•“SomeorallstoragedrivesmissingfromtheSetupUtilityprogram”onpage46

•“"NoOperatingSystemFound"messageorthesystemnotstartingupfromthecorrectstoragedrive”
onpage46

SomeorallstoragedrivesmissingfromtheSetupUtilityprogram

Symptom:SomeorallstoragedrivesmissingfromtheSetupUtilityprogram

Solutions:

•Ensurethatallstoragedrivesignalcablesandpowercablesareconnectedcorrectly.

•Ensurethatyourcomputerisconfiguredcorrectlytosupportthestoragedrives.

–IfyourcomputerisinstalledwithfiveSATAstoragedrives,ensurethattheSATAstoragedrive

enablementmodule(onetofivestoragedrives)isinstalled.

–IfyourcomputerisinstalledwithSASstoragedrives,ensurethattheSASstoragedriveenablement

module(onetofivestoragedrives)ortheLSIMegaRAIDSASadapterisinstalled.

"NoOperatingSystemFound"messageorthesystemnotstartingupfromthe
correctstoragedrive

Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingupfromthecorrectstorage
drive

Solutions:

•Ensurethatallstoragedrivesignalcablesandpowercablesareconnectedcorrectly.

46ThinkCentreM73pUserGuide

•EnsurethatthestoragedriveyourcomputerstartsupfromislistedasthefirststartupdeviceintheSetup
Utilityprogram.Referto“Changingthestartupdevicesequencepermanently”onpage39

Note:Inrarecases,thestoragedrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch
cases,youmightneedtoreplacethestoragedrive.RefertoChapter7“Installingorreplacinghardware”
onpage55

.

.

Networkingproblems

Thissectionprovidessolutionstonetworking-relatedproblems.

EthernetLANproblems

MycomputercannotbeconnectedtoanEthernetLAN

Solutions:

•ConnectthecablefromtheEthernetconnectortotheRJ45connectorofthehub.

•EnabletheEthernetLANfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page35.Then,followtheinstructionsonthescreen.

•EnabletheEthernetLANadapter.

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickNetwork
andSharingCenter➙Changeadaptersettings.

3.Right-clicktheEthernetLANadaptericonandclickEnable.

•UpdateorreinstalltheEthernetLANdriver.See“Keepingyourcomputercurrent”onpage26.

•Installallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.CheckwithyourLAN
administratorforthenecessarynetworkingsoftware.

•Setthesameduplexfortheswitchportandtheadapter.Ifyouconfiguredtheadapterforfullduplex,
ensurethattheswitchportisalsoconfiguredforfullduplex.Settingthewrongduplexmodemight
degradeperformance,causedataloss,orresultinlostconnections.

MycomputerisaGigabitEthernetmodelandIuseaspeedof1000Mbps,buttheconnectionfails
orerrorsoccur

Solution:ConnectthenetworkcabletotheEthernetconnectorusingCategory5wiringanda100BASE-T
hub/switch(not100BASE-X).

MycomputerisaGigabitEthernetmodel,butitcannotbeconnectedtothenetworkat1000Mbps,
butatonly100Mbps

Solutions:

•Tryanothercable.

•Setthelinkpartnertoauto-negotiate.

•Settheswitchtobe802.3ab-compliant(gigabitovercopper).

TheWakeOnLANfeaturedoesnotwork

Solution:EnabletheWakeOnLAN(WOL)featureintheSetupUtilityprogram.See“StartingtheSetupUtility
program”onpage35.Then,followtheinstructionsonthescreen.

Chapter6.Troubleshooting,diagnostics,andrecovery47

WirelessLANproblem

Note:ThewirelessLANfeatureissupportedonlyonsomemodels.

ThewirelessLANfeaturedoesnotwork

Solutions:

•EnablethewirelessLANfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page35

•ForWindows10,enablethewirelessLANfeatureinWindowsSettings.ClicktheStartbuttontoopenthe
Startmenu,andthenclickSettings➙Network&Internet➙Wi-Fi.TurnontheWi-Fifeature.

•EnablethewirelessLANadapter.

1.DependingonyourWindowsversion,dooneofthefollowing:

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickNetwork

3.Right-clickthewirelessLANadaptericonandclickEnable.

•UpdateorreinstallthewirelessLANdriver.See“Keepingyourcomputercurrent”onpage26.

.Then,followtheinstructionsonthescreen.

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

andSharingCenter➙Changeadaptersettings.

Bluetoothproblems

Note:TheBluetoothfeatureissupportedonlyonsomemodels.

TheBluetoothfeaturedoesnotwork

Solutions:

•EnabletheBluetoothfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page35.Then,followtheinstructionsonthescreen.

•TurnontheBluetoothradios.

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthen

clickProperties.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.

3.Right-clicktheBluetoothradiosunderBluetoothRadiosandclickEnable.

•EnabletheBluetoothadapter.

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickNetwork
andSharingCenter➙Changeadaptersettings.

3.Right-clicktheBluetoothadaptericonandclickEnable.

•UpdateorreinstalltheBluetoothdriver.See“Keepingyourcomputercurrent”onpage26.

SounddoesnotcomefromtheBluetoothheadsetorheadphones

Solution:SettheBluetoothheadsetorheadphonesasthedefaultdevice.

1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).

2.Right-clickthevolumeiconintheWindowsnotificationareaonthetaskbar.

48ThinkCentreM73pUserGuide

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe

notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage17.

3.ClickPlaybackdevices.

4.IfyouareusingtheHeadsetprofile,selectBluetoothHands-freeAudio,andthenclickSetDefault.If
youareusingtheAVprofile,selectStereoAudio,andthenclickSetDefault.

5.ClickOK.

Performanceproblems

Thissectionprovidessolutionstoperformance-relatedproblemsofyourcomputer.

Excessivenumberoffragmentedfiles

Solution:UsetheWindowsdiskdefragmentationordiskoptimizationfeaturetocleanupthefiles.

Note:Dependingonthevolumeofthestoragedrivesandamountofdatastoredonthestoragedrives,the
disk-defragmentationprocessmighttakeuptoseveralhours.

1.Closeanyopenprogramsandwindows.

2.ClicktheStartbuttontoopentheStartmenu.

3.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickComputer.

•ForWindows10:ClickFileExplorer➙ThisPC.

4.Right-clickyourCdriveandthenclickProperties.

5.ClicktheT oolstab.

6.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickDefragmentnow.

•ForWindows10:ClickOptimize.Selectthedesireddrive,andthenclickOptimize.

7.Followtheinstructionsonthescreen.

Insufficientfreestoragedrivespace

Solutions:Freeupstoragedrivespace.

•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.

•CleanupyourCdrive.

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickComputer.
–ForWindows10:ClickFileExplorer➙ThisPC.

3.Right-clickyourCdriveandthenclickProperties.

4.Checktheamountoffreespace,andthenclickDiskCleanup.

5.Alistofunnecessaryfilecategoriesisdisplayed.Selecteachfilecategoryyouwanttodelete,
andthenclickOK.

•TurnsomeWindowsfeaturesofforremovesomeunnecessaryprograms.

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.
–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

Chapter6.Troubleshooting,diagnostics,andrecovery49

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickPrograms
andFeatures.

3.Dooneofthefollowing:

–ToturnsomeWindowsfeaturesoff,clickTurnWindowsfeaturesonoroff.Followthe

instructionsonthescreen.

–Toremovesomeunnecessaryprograms,selecttheprogramyouwanttoremove,andthenclick

Uninstall/ChangeorUninstall.

Insufficientfreememoryspace

Solutions:

•Right-clickablankareaonthetaskbarandopenTaskManager.Then,endsometasksyouarenot
performing.

•Installadditionalmemorymodules.SeeChapter7“Installingorreplacinghardware”onpage55.T o
purchasememorymodules,goto
http://www.lenovo.com.

Serialconnectorcannotbeaccessed

Solutions:

•Connecttheserialcabletotheserialconnectoronthecomputerandtotheserialdevice.Iftheserial
devicehasitsownpowercord,connectthepowercordtoagroundedelectricaloutlet.

•Turnontheserialdeviceandkeepthedeviceonline.

•Installanyapplicationprogramssuppliedwiththeserialdevice.Refertothedocumentationthatcomes
withtheserialdeviceformoreinformation.

•Ifyouaddedoneserial-connectoradapter,installtheadaptercorrectly.

MyUSBconnectorscannotbeaccessed

Solutions:

•ConnecttheUSBcablefromtheUSBconnectortotheUSBdevice.IftheUSBdevicehasitsownpower
cord,connectthepowercordtoagroundedelectricaloutlet.

•TurnontheUSBdeviceandkeepthedeviceonline.

•InstallanydevicedriversorapplicationprogramssuppliedwiththeUSBdevice.Refertothe
documentationthatcomeswiththeUSBdeviceformoreinformation.

•DetachandreconnecttheUSBconnectortoresettheUSBdevice.

Softwareanddriverproblems

Thissectionprovidessolutionstosoftware-anddriver-relatedproblems.

Forsomeprograms,datescannotbesortedincorrectorder

Solution:Someprogramsdevelopedbeforetheyear2000useonlythelasttwodigitsofayeartosortdates,
assumingthefirsttwodigitsare19.Consequently,datescannotbesortedincorrectordernowadays.
Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.

Someapplicationprogramsdonotworkasexpected

Solutions:

1.Checkwhethertheproblemiscausedbyanapplicationprogram.

50ThinkCentreM73pUserGuide

a.Ensurethatthesoftwareiscompatiblewithyourcomputer.Refertotheinformationsuppliedwith

thesoftwareformoreinformation.
b.Verifythatothersoftwareworkscorrectlyonyourcomputer.
c.Verifythatthesoftwareyouareusingworksonanothercomputer.

2.Iftheproblemiscausedbyanapplicationprogram:

•Refertotheprinteddocumentationthatcomeswiththeprogramorthehelpsystemoftheprogram.

•Updatetheprogram.See“Keepingyourcomputercurrent”onpage26

•Uninstalltheprogramandthenreinstallit.Todownloadaprogramthatispreinstalledonyour

computer,gotohttp://www.lenovo.com/supportandfollowtheinstructionsonthescreen.

.

Adevicedoesnotworknormallyduetodevicedriverproblems

Solution:Updatethedevicedriver.See“Keepingyourcomputercurrent”onpage26.

Diagnostics

Note:IfyouareusingaWindowsoperatingsystemotherthanWindows7orWindows10,goto

http://www.lenovo.com/diagsforthediagnosticsinformationforyourcomputer.

Thediagnosticprogramisusedtotesthardwarecomponentsofyourcomputer.Thediagnosticprogramalso
canreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyourcomputer.

LenovoSolutionCenter

TheLenovoSolutionCenterprogramisthediagnosticprogrampreinstalledonyourcomputer.Theprogram
enablesyoutotroubleshootandresolvecomputerproblems.Itcombinesdiagnostictests,system
informationcollection,securitystatus,andsupportinformation,alongwithhintsandtipsformaximum
systemperformance.

ToopentheLenovoSolutionCenterprogram,see“Accessingaprogramonyourcomputer”onpage12.For
moreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.

IfyouareunabletoisolateandrepairtheproblemyourselfafterrunningLenovoSolutionCenter,save
andprintthelogfilescreatedbytheprogram.YoumightneedthelogfileswhenyouspeaktoaLenovo
technicalsupportrepresentative.

Recoveryinformation

Thissectionprovidesinstructionsabouthowtorecoveryouroperatingsystem.

Note:Ifadevicedoesnotworknormallyafterrecoveringtheoperatingsystem,updatethedevicedriver.
See“Keepingyourcomputercurrent”onpage26

.

RecoveryinformationforWindows7

TorecoveryourWindows7operatingsystem,usethefollowingsolutions:

•UseWindowsrecoverysolutions.

–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.

1.ClicktheStartbuttontoopentheStartmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclick
Recovery➙OpenSystemRestore.

3.Followtheinstructionsonthescreen.

Chapter6.Troubleshooting,diagnostics,andrecovery51

–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:

–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart

automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.

–Turnonorrestartyourcomputer.Then,repeatedlypressandreleasetheF8keyuntiltheAdvanced

BootOptionswindowopens.SelectRepairYourComputer,pressEnter,andfollowtheinstructions
onthescreentochoosetheappropriaterecoverysolution.

Note:Forsomekeyboards,youmightneedtopressFn+F8toopentheAdvancedBootOptions
window.

•UsetheRescueandRecoveryprogramtorestorethestoragedrivefromabackup,orrestoretheC
drivetothefactory-defaultsettings.

Notes:

–Dependingonyourcomputermodel,theRescueandRecoveryprogrammightnotbeavailableunless

youinstalleditmanuallyearlier.

–IfyouusetheRescueandRecoveryprogramtorestorethestoragedrivefromabackup,ensurethat

youbackedupyourdataearlierwiththeprogram.

TousetheRescueandRecoveryprogram,dooneofthefollowing:

–OpentheRescueandRecoveryprogram.See“Accessingaprogramonyourcomputer”onpage12

Formoreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.

–OpentheRescueandRecoveryworkspace.

1.T urnoffyourcomputer.PressandholdtheEnterkeyandthenturnonthecomputer.Release
theEnterkeywhenStartupInterruptMenuisdisplayed.Then,pressF11toopentheRescue
andRecoveryworkspace.

2.IftheRescueandRecoveryworkspacefailstoopen,usetherescuemediumyoucreatedearlierto
resolvetheproblem.Selecttherescuemediumasthestartupdevice.See“Selectingatemporary
startupdevice”onpage40
opens.Followtheinstructionsonthescreen.

•UsetherecoverymediumyoucreatedearlierwiththeCreateRecoveryMediaprogramtorestoreonly
theCdriveortheentirestoragedrivetothefactory-defaultsettings.

Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage26.

1.Selecttherecoverymediumasthestartupdevice.See“Selectingatemporarystartupdevice”
onpage40

2.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.

•UsetherecoverydiscsetprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.

–Ifyourcomputercomeswiththerecoverydiscset,followtheinstructionsshippedwiththediscset.
–Ifyourcomputerdoesnotcomewiththerecoverydiscset,contacttheLenovoCustomer

SupportCentertoorderarecoverydiscset.ForalistofLenovoSupportphonenumbers,goto
http://www.lenovo.com/support/phone.Ifyoucannotfindthesupporttelephonenumberforyour
countryorregion,contactyourLenovoreseller.

.

.Whentherescuemediumstarts,theRescueandRecoveryworkspace

.

RecoveryinformationforWindows10

TorecoveryourWindows10operatingsystem,usethefollowingsolutions:

•UseWindowsrecoverysolutions.

–UserecoverysolutionsinWindowsSettings.

52ThinkCentreM73pUserGuide

1.ClicktheStartbuttontoopentheStartmenu.

2.ClickSettings➙Update&security➙Recovery.

3.Choosetheappropriaterecoverysolutionbyfollowingtheinstructionsonthescreen.

–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.

1.Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclick
Recovery➙OpenSystemRestore.

3.Followtheinstructionsonthescreen.

–UsetheFileHistorytooltorestoreyourfilesfromabackup.

Note:IfyouusetheFileHistorytooltorestoreyourfilesfromabackup,ensurethatyoubackedup
yourdataearlierwiththetool.

1.Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickFile
History➙Restorepersonalfiles.

3.Followtheinstructionsonthescreen.

–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:

–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart

automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.

–SelecttherecoverymediumyoucreatedearlierwiththeWindowstoolasthestartupdevice.See

“Selectingatemporarystartupdevice”onpage40

.Then,followtheinstructionsonthescreen

tochoosetheappropriaterecoverysolution.

Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage26.

•UsetherecoveryUSBkeyprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.

–IfyourcomputercomeswiththerecoveryUSBkey,followtheinstructionsshippedwiththeUSBkey.
–IfyourcomputerdoesnotcomewiththerecoveryUSBkey,contacttheLenovoCustomer

SupportCentertoorderarecoveryUSBkey.ForalistofLenovoSupportphonenumbers,goto
http://www.lenovo.com/support/phone.Ifyoucannotfindthesupporttelephonenumberforyour
countryorregion,contactyourLenovoreseller.

Chapter6.Troubleshooting,diagnostics,andrecovery53

54ThinkCentreM73pUserGuide

Chapter7.Installingorreplacinghardware

Thischaptercontainsthefollowingtopics:

•“Handlingstatic-sensitivedevices”onpage55

•“Installingorreplacinghardware”onpage55

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved
andyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,canseriouslydamage
computercomponentsandparts.

Whenyouhandlepartsandothercomputercomponents,taketheseprecautionstoavoidstatic-electricity
damage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlepartsandothercomputercomponentscarefully.HandlePCI/PCI-Expresscards,memory
modules,systemboards,andmicroprocessorsbytheedges.Nevertouchanyexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Touchthestatic-protectivepackagecontainingtheparttoametalexpansion-slotcoverorother
unpaintedmetalsurfaceonthecomputerforatleasttwoseconds.Thisreducesstaticelectricityfrom
thepackageandyourbodybeforeyouinstallorreplaceanewpart.

•Whenpossible,removethenewpartfromthestatic-protectivepackage,andinstallitdirectlyinthe
computerwithoutsettingthepartdown.Whenthisisnotpossible,placethestatic-protectivepackage
thatthepartcameinonasmooth,levelsurfaceandplacethepartonthepackage.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Y oucanexpand
thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii

Notes:

•Dependingonyourcomputermodel,someofthehardwarepartsinthissectionmightnotbeavailable.

•UsecomputerpartsprovidedonlybyLenovo.

•Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.

•Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveCRU.Informationaboutthiswill
comewiththeCRUorwillcomeafewdaysaftertheCRUarrives.

.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Hardwarelocations”onpage1toidentifytherequiredconnector.

©CopyrightLenovo2015

55

Usetheinstructionsshippedwiththeoptiontohelpyoumaketheconnectionandinstallanysoftware
ordevicedriversthatarerequiredfortheoption.

Removingthecomputercover

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.

Toremovethecomputercover,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Unlockanylockingdevicethatsecuresthecomputercover.

3.Removethetwoscrewsthatsecurethecomputercover.Then,slidethecovertotherearofthe
computertoremovethecover.

Figure9.Removingthecomputercover

Replacingthefrontbezel

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

56ThinkCentreM73pUserGuide

Toreplacethefrontbezel,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Removethefrontbezelbyreleasingthethreeplastictabsontheleftsideandpivotingthefrontbezel
outward.

Figure10.Removingthefrontbezel

4.T oreinstallthefrontbezel,alignthethreeplastictabsontherightsideofthefrontbezelwiththe
correspondingholesinthechassis.Thenpivotthefrontbezelinwardsuntilitsnapsintoposition
ontheleftside.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

ReplacingaPCI/PCI-Expresscard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii

ToreplaceaPCI/PCI-Expresscard,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.LocatethePCI/PCI-Expresscardyouwanttoreplace.ThePCI/PCI-Expresscardsareinstalledinthe
PCI/PCI-Expresscardslotsonthesystemboard.See“Partsonthesystemboard”onpage6

.

.

Chapter7.Installingorreplacinghardware57

4.Attherearofthecomputer,removethescrewthatsecuresthePCIExpresscardlatch.

Figure11.RemovingthescrewthatsecuresthePCIExpresscardlatch

58ThinkCentreM73pUserGuide

5.Graspthecardthatiscurrentlyinstalledandgentlypullitoutoftheslot.

Figure12.RemovingthePCI/PCI-Expresscard

Notes:

•Thecardfitstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecardasmall

amountuntilitisremovedfromthecardslot.

•Ifthecardisheldinplacebyaretaininglatch,pressthecardretaininglatch

1asshowntodisengage

thelatch.Graspthecardandgentlypullitoutoftheslot.

6.InstallthenewPCI/PCI-ExpresscardintotheappropriatePCI/PCI-Expresscardslotonthesystem
board.See“Partsonthesystemboard”onpage6.

Note:IfyouareinstallingaPCIExpressx16graphicscard,ensurethatthememoryslotretainingclips
areclosedbeforeyouinstallthegraphicscard.

Chapter7.Installingorreplacinghardware59

7.PivotthecardlatchtotheclosedpositiontosecurethePCI/PCI-Expresscard.

Figure13.InstallingaPCI/PCI-Expresscard

8.ReinstallthescrewtosecurethePCIExpresscardlatchinplace.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76

Replacingamemorymodule

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii

Thefollowingtableprovidesinformationaboutthememorymoduleinstallationrulesthatyoushould
considerwheninstallingorremovingamemorymodule.The“X”markindicatesthememoryslotsintowhich
thememorymodulesshouldbeinstalledindifferentsituations.Thenumbers1,2,3,and4indicatethe
installationsequence.Tolocatethememorymoduleslots,see“Partsonthesystemboard”onpage6.

UDIMMDIMM1DIMM2DIMM3DIMM4

OneUDIMM

TwoUDIMMsX,1X,2

ThreeUDIMMsX,3X,1X,2

FourUDIMMsX,3X,1X,4X,2

.

X

.

Toreplaceamemorymodule,dothefollowing:

60ThinkCentreM73pUserGuide

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Locatethememorymoduleyouwanttoreplace.Thememorymodulesareinstalledinthememoryslots
onthesystemboard.See“Partsonthesystemboard”onpage6.

4.Removeanypartsthatmightpreventyouraccesstothememorymodule.Dependingonyourcomputer
model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory
module.See“ReplacingaPCI/PCI-Expresscard”onpage57.

5.Opentheretainingclipsandgentlypullthememorymoduleoutofthememoryslot.

Figure14.Removingamemorymodule

6.Positionthenewmemorymoduleovertheappropriatememoryslot.Ensurethatthenotch1onthe
memorymodulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodule
straightdownintotheslotuntiltheretainingclipsclose.

Figure15.Installingamemorymodule

7.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.See“ReplacingaPCI/PCI-Express
card”onpage57.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Chapter7.Installingorreplacinghardware61

Replacingtheopticaldrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Toreplacetheopticaldrive,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Removethefrontbezel.See“Replacingthefrontbezel”onpage56.

4.Locatetheopticaldrive.See“Computercomponents”onpage5.

5.Disconnectthesignalcableandthepowercablefromtherearoftheopticaldrivefirst.Presstheblue
releasebuttonandthenslidetheopticaldriveoutofthefrontofthecomputer.

Figure16.Removingtheopticaldrive

62ThinkCentreM73pUserGuide

6.Slidethenewopticaldriveintothedrivebayfromthefrontofthecomputeruntiltheopticaldrive
snapsintoposition.

Figure17.Installingtheopticaldrive

7.Connectthesignalcableandthepowercabletothenewopticaldrive.

Figure18.Connectingtheopticaldrive

8.Reinstallthefrontbezel.See“Replacingthefrontbezel”onpage56.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthecoin-cellbattery

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii

.

Chapter7.Installingorreplacinghardware63

Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-connectorassignments(configuration).Acoin-cellbatterykeepsthisinformationactive
whenyouturnoffthecomputer.

Thecoin-cellbatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nocoin-cell
batterylastsforever.Ifthecoin-cellbatteryfails,thedate,time,andconfigurationinformation(including
passwords)arelost.Anerrormessageisdisplayedwhenyouturnonthecomputer.

Refertothe“Lithiumcoin-cellbatterynotice”intheSafety,Warranty,andSetupGuideforinformationabout
replacinganddisposingofthecoin-cellbattery.

Toreplacethecoin-cellbattery,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Locatethecoin-cellbattery.See“Computercomponents”onpage5.

4.Removethecoin-cellbatteryasshown.

Figure19.Removingthecoin-cellbattery

5.Installthenewcoin-cellbatteryasshown.

Figure20.Installingthecoin-cellbattery

6.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on
page76

.

7.T urnonthecomputerandallconnecteddevices.

Note:Whenthecomputeristurnedonforthefirsttimeafterreplacingthecoin-cellbattery,anerror
messagemightbedisplayed.Thisisnormalafterreplacingthecoin-cellbattery.

8.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.See“UsingtheSetupUtility
program”onpage35.

64ThinkCentreM73pUserGuide

Replacingtheheatsinkandfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

CAUTION:

Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Laythecomputeronitssideforeasieraccesstothesystemboard.

4.Locatetheheatsinkandfanassembly.See“Computercomponents”onpage5.

5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.

6.Followthefollowingsequencetoremovethefourscrewsthatsecuretheheatsinkandfanassembly
tothesystemboard:

a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.

Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.

Figure21.Removingtheheatsinkandfanassembly

7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.

Chapter7.Installingorreplacinghardware65

Notes:

•Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.

•Donottouchthethermalgreasewhilehandlingtheheatsinkandfanassembly.

8.Positionthenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealigned
withtheholesinthesystemboard.Ensurethattheheatsinkandfanassemblycablefacestowardthe
microprocessorfanconnectoronthesystemboard.

9.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.
Donotover-tightenthescrews.

a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.

10.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem
board.See“Partsonthesystemboard”onpage6.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthepowersupplyassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certification.

CAUTION:

Hazardousmovingparts.Keepfingersandotherbodypartsaway.

CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.

Toreplacethepowersupplyassembly,dothefollowing:

66ThinkCentreM73pUserGuide

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Locatethepowersupplyassembly.See“Computercomponents”onpage5.

4.Disconnectthepowersupplyassemblycablesfromthesystemboardandalldrives.See“Partsonthe
systemboard”onpage6

5.Releasethepowersupplyassemblycablesfromthecableclipsandtiesinthechassis.

6.Laythecomputeronitssideandremovethefourscrewsattherearofthechassisthatsecurethe
powersupplyassembly.

.

Figure22.Removingthescrewsforthepowersupplyassembly

7.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.

8.Ensurethatthenewpowersupplyassemblyisthecorrectreplacement.

9.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthepowersupply
assemblyalignwiththoseinthechassis.

10.Installandtightenthefourscrewstosecurethepowersupplyassembly.

Note:UseonlyscrewsprovidedbyLenovo.

11.Reconnectthepowersupplyassemblycablestothesystemboardandeachofthedrives.

12.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Installingthe2.5-inchstoragedrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Thissectionprovidesinstructionsonhowtoinstallthe2.5-inch2.5-inchstoragedrive.

Chapter7.Installingorreplacinghardware67

Toinstallthe2.5-inchstoragedrive,dothefollowing:

1.Installthe2.5-inchstoragedriveintothestorageconverter.Then,installthefourscrewstosecurethe

2.5-inchstoragedrivetothestorageconverter.

Figure23.Installingthe2.5-inchstoragedriveintothestorageconverter

2.Connectthesignalcableandthepowercabletothe2.5-inchstoragedrive.

3.Installthe2.5-inchstoragedriveintothestoragedrivebay.See“Replacingthe3.5-inchstoragedrive”
onpage68.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthe3.5-inchstoragedrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Thissectionprovidesinstructionsonhowtoreplacethe3.5-inchstoragedrive.

Note:Thissectionalsoappliestocomputermodelswitha2.5-inchstoragedrive.

Toreplacethe3.5-inchstoragedrive,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Locatethe3.5-inchstoragedrive.See“Computercomponents”onpage5.

4.Disconnectthesignalcableandthepowercablefromthe3.5-inchstoragedrive.

68ThinkCentreM73pUserGuide

5.Removethefourscrewsthatsecurethe3.5-inchstoragedrive.Then,slidethe3.5-inchstoragedrive
outofthechassis.

Figure24.Removingthe3.5-inchstoragedrive

Chapter7.Installingorreplacinghardware69

6.Slidethenew3.5-inchstoragedriveintothestoragedrivebayandalignthescrewholesinthenew

3.5-inchstoragedrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewsto
securethenew3.5-inchstoragedriveinplace.

Figure25.Installingthe3.5-inchstoragedrive

7.Connectoneendofthesignalcabletotherearofthenew3.5-inchstoragedriveandtheotherendto
anavailableSATAconnectoronthesystemboard.See“Partsonthesystemboard”onpage6.Then,
locateanavailablefour-wirepowerconnectorandconnectittotherearofthenew3.5-inchstoragedrive.

Figure26.Connectinga3.5-inchstoragedrive

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

ReplacingthefrontaudioandUSBassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii

70ThinkCentreM73pUserGuide

.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.Removethefrontbezel.See“Replacingthefrontbezel”onpage56.

4.LocatethefrontaudioandUSBassembly.See“Computercomponents”onpage5.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Partsonthe
systemboard”onpage6.

Note:Ensurethatyounotethelocationsofthecableswhenyoudisconnectthecablesfromthe
systemboard.

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.

Figure27.RemovingthescrewthatsecuresthefrontaudioandUSBassemblytothechassis

7.RemovethetwoscrewsthatsecurethefrontaudioandUSBassemblytoitsbracket.Then,removethe
failingfrontaudioandUSBassemblyfromthebracket.

8.InstallanewfrontaudioandUSBassemblyintothebracket.Then,installthetwoscrewstosecure
theassemblytothebracket.

9.InstallthefrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe
bracketwiththecorrespondingholeinthechassis.

10.Installthescrewtosecurethebrackettothechassis.

11.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB
connectoronthesystemboard.See“Partsonthesystemboard”onpage6.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76

Chapter7.Installingorreplacinghardware71

.

ReplacingtheWi-Ficard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

ToreplacetheWi-Ficard,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethecomputercover.See“Removingthecomputercover”onpage56.

3.LocatetheWi-Ficard.See“Computercomponents”onpage5.

4.IfyourcomputercomeswithaWi-FicardthatsupportstheBluetoothfunction,disconnecttheBluetooth
cablefromtheWi-Ficardadapter.

Note:TheBluetoothcableconnectstheBluetoothconnectorontheWi-Ficardadaptertothesystem
board.

5.Attherearofthecomputer,removethescrewthatsecuresthecardlatch.

6.GrasptheWi-Ficardadapterthatiscurrentlyinstalledandgentlypullitoutoftheslot.

Note:Thecardfitstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecarda
smallamountuntilitisremovedfromthecardslot.

Figure28.RemovingtheWi-Ficardadapter

7.DisconnectthefrontandrearWi-FiantennacablesfromtheWi-Ficard.

72ThinkCentreM73pUserGuide

Figure29.RemovingtheWi-Fiantennacables

8.RemovethetwoscrewsthatsecuretheWi-FicardtotheWi-Ficardadapter.

Figure30.RemovingthescrewsthatsecuretheWi-Ficard

9.PulltheWi-FicardoutoftheminiPCIExpressslottoremoveitfromtheWi-Ficardadapter.

Chapter7.Installingorreplacinghardware73

Figure31.RemovingtheWi-Ficard

10.InsertthenewWi-FicardintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecurethe
Wi-FicardtotheWi-Ficardadapter.

74ThinkCentreM73pUserGuide

Figure32.InstallingtheWi-Ficard

11.ConnectthefrontantennacableandrearantennacabletotheWi-Ficard.

Figure33.InstallingtheWi-Fiantennacables

12.InstalltheWi-FicardadapterintothePCIExpressx1slotonthesystemboard.See“Partsonthe
systemboard”onpage6.

13.IftheinstalledWi-FicardsupportstheBluetoothfunction,useaBluetoothcabletoconnectthe
BluetoothconnectorontheWi-Ficardadaptertothesystemboard.

14.PivotthecardlatchtotheclosedpositiontosecuretheWi-Ficardadapter.

Chapter7.Installingorreplacinghardware75

Figure34.InstallingtheWi-Ficardadapter

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76

Completingthepartsreplacement

Aftercompletingtheinstallationorreplacementforallparts,reinstallthecomputercoverandreconnect
cables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconfirmtheupdatedinformation
intheSetupUtilityprogram.Referto“UsingtheSetupUtilityprogram”onpage35

Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:

1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsare
leftinsideyourcomputer.See“Computercomponents”onpage5forthelocationsofvarious
componentsinyourcomputer.

2.Ensurethatthecablesareroutedcorrectlybeforereinstallingthecomputercover.Keepcablesclearof
thehingesandsidesofthecomputerchassistoavoidinterferencewithreinstallingthecomputercover.

.

.

76ThinkCentreM73pUserGuide

3.Positionthecomputercoveronthechassissothattherailguidesonthebottomofthecomputer
coverengagetherailsonthechassis.Then,pushthecovertothefrontofthecomputeruntilitsnaps
intoposition.

Figure35.Installingthecomputercover

4.Installthescrewstosecurethecomputercover.

5.Placethecomputerinanuprightposition.

6.Ifalockingdeviceisavailable,useittolockthecomputer.See“Lockingyourcomputer”onpage29.

7.Reconnecttheexternalcablesandpowercordstothecorrespondingconnectorsonthecomputer.
See“Hardwarelocations”onpage1.

8.Updateyourconfiguration.See“UsingtheSetupUtilityprogram”onpage35.

9.Ifanewlyinstalledhardwarecomponentdoesnotworknormally,updatethedevicedriver.See
“Keepingyourcomputercurrent”onpage26

.

Chapter7.Installingorreplacinghardware77

78ThinkCentreM73pUserGuide

Chapter8.Gettinginformation,help,andservice

Thischaptercontainsthefollowingtopics:

•“Informationresources”onpage79

•“Helpandservice”onpage80

Informationresources

Youcanusetheinformationinthissectiontoaccessusefulresourcesrelatingtoyourcomputingneeds.

Accessingtheuserguideinvariouslanguages

Toaccesstheuserguideinvariouslanguages,goto:
http://www.lenovo.com/UserManuals

Windowshelpsystem

Note:IfyouusetheonlinehelpforWindows7orthehelpforWindows10,ensurethatyourcomputer

isconnectedtotheInternet.

TheWindowshelpsystemprovidesyouwithdetailedinformationaboutusingtheWindowsoperatingsystem.

ToaccesstheWindowshelpsystem,dothefollowing:

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickHelpandSupport.Y oucanchoosetousetheonlineorofflinehelpatthe

bottomofthescreen.

•ForWindows10:ClickGetstarted.

Safetyandwarranty

TheSafety,Warranty,andSetupGuideprovidedwithyourcomputercontainsimportantsafetyinformation,
productwarrantyterms,initialsetupprocedure,andlegalnotices.Ensurethatyoureadandunderstandall
safetyinformationintheSafety,Warranty,andSetupGuidebeforeusingyourcomputer.

Inaddition,readandunderstand“Readthisfirst:Importantsafetyinformation”onpageiiibeforeusingyour
computer.Thisprefaceprovidesadditionalsafetyinformationthatappliestotopicsandtasksdescribedin
thisUserGuide.

LenovoWebsite

TheLenovoWebsite(http://www.lenovo.com)providesup-to-dateinformationandservicestohelpyoubuy,
upgrade,andmaintainyourcomputer.Youalsocandothefollowing:

•Shopfordesktopandnotebookcomputers,monitors,projectors,upgradesandaccessoriesforyour
computer,andspecialoffers.

•Purchaseadditionalservices,suchassupportforhardware,operatingsystems,applicationprograms,
networksetupandconfiguration,andcustominstallations.

•Purchaseupgradesandextendedhardwarerepairservices.

•Accesstroubleshootingandsupportinformationforyourcomputermodelandothersupportedproducts.

©CopyrightLenovo2015

79

•FindaServiceProviderlocatednearyou.

LenovoSupportWebsite

TechnicalsupportinformationisavailableontheLenovoSupportWebsiteat:
http://www.lenovo.com/support

ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:

•Driversandsoftware

•Diagnosticsolutions

•Productandservicewarranty

•Productandpartsdetails

•Userguidesandmanuals

•Knowledgebaseandfrequentlyaskedquestions

•LenovoSupportphonenumbers

Frequentlyaskedquestions

Fortheanswerstofrequentlyaskedquestionsaboutyourcomputer,goto:
http://www.lenovo.com/support/faq

Helpandservice

Thissectionprovidesinformationaboutobtaininghelpandservice.

Callingforservice

Duringthewarrantyperiod,youcangethelpandinformationbytelephonethroughtheCustomerSupport
Center.Forthewarrantyperiodofyourcomputer,gotohttp://www.lenovo.com/warranty-status.Foralistof
LenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.

Note:Phonenumbersaresubjecttochangewithoutnotice.Ifthenumberforyourcountryorregionisnot
provided,contactyourLenovoresellerorLenovomarketingrepresentative.

Thefollowingservicesareavailableduringthewarrantyperiod:

•Problemdetermination-Trainedservicepersonnelareavailabletoassistyouwithdetermininga
hardwareproblemanddecidingwhatactionisnecessarytofixtheproblem.

•Hardwarerepair-Iftheproblemiscausedbyhardwareunderwarranty,trainedservicepersonnelare
availabletoprovidetheapplicablelevelofservice.

•EngineeringChangemanagement-Theremightbechangesthatarerequiredafteraproducthas
beensold.LenovooryourresellerwillmakeselectedEngineeringChanges(ECs)thatapplytoyour
hardwareavailable.

Theseitemsarenotcoveredbythewarranty:

•ReplacementoruseofpartsnotmanufacturedfororbyLenovoornon-warrantedLenovoparts

•Identificationofsoftwareproblemsources

•ConfigurationofBIOSaspartofaninstallationorupgrade

•Changes,modifications,orupgradestodevicedrivers

•Installationandmaintenanceofnetworkoperatingsystems(NOS)

•Installationandmaintenanceofapplicationprograms

Ifpossible,beatyourcomputerwhenyoucall.Havethefollowinginformationavailable:

80ThinkCentreM73pUserGuide

•Machinetypeandmodel

•Serialnumbersofyourhardwareproducts

•Descriptionoftheproblem

•Exactwordingofanyerrormessages

•Hardwareandsoftwareconfigurationinformation

Usingotherservices

Youmighttravelwithyourcomputerorrelocateittoacountryorregionwherethemachinetypeforyour
desktopornotebookcomputerissold.Insuchasituation,yourcomputermightbeeligibleforInternational
WarrantyService,whichautomaticallyentitlesyoutoobtainwarrantyservicethroughoutthewarrantyperiod.
Servicewillbeperformedbyserviceprovidersauthorizedtoperformwarrantyservice.

Servicemethodsandproceduresvarybycountry,andsomeservicesmightnotbeavailableinallcountries.
InternationalWarrantyServiceisdeliveredthroughthemethodofservice(suchasdepot,carry-in,or
on-siteservice)thatisprovidedintheservicingcountry.Servicecentersincertaincountriesmightnotbe
abletoserviceallmodelsofaparticularmachinetype.Insomecountries,feesandrestrictionsmight
applyatthetimeofservice.

TodeterminewhetheryourcomputeriseligibleforInternationalWarrantyServiceandtoviewalistofthe
countriesorregionswhereserviceisavailable,gotohttp://www.lenovo.com/support.

FortechnicalassistancewiththeinstallationoforquestionsrelatedtoServicePacksforyourpreinstalled
MicrosoftWindowsproduct,gototheMicrosoftProductSupportWebsiteathttp://support.microsoft.com.
YoualsocancontacttheLenovoCustomerSupportCenterforhelp.Somefeesmightapply.

Purchasingadditionalservices

Duringandafterthewarrantyperiod,youcanpurchaseadditionalservices.Examplesoftheseadditional
servicesinclude:

•Supportforhardware,operatingsystems,andapplicationprograms

•Networksetupandconfigurationservices

•Upgradedorextendedhardwarerepairservices

•Custominstallationservices

Serviceavailabilityandservicenamemightvarybycountryorregion.Formoreinformationaboutthese
services,gototheLenovoWebsiteat:
http://www.lenovo.com

Chapter8.Gettinginformation,help,andservice81

82ThinkCentreM73pUserGuide

AppendixA.Regulatoryinformation

Thelatestcomplianceinformationisavailableathttp://www.lenovo.com/compliance.

Exportclassificationnotice

ThisproductissubjecttotheUnitedStatesExportAdministrationRegulations(EAR)andhasanExport
ClassificationControlNumber(ECCN)of5A992.c.Itcanbere-exportedexcepttoanyoftheembargoed
countriesintheEARE1countrylist.

Electronicemissionsnotices

ThefollowinginformationreferstoLenovopersonalcomputermachinetypes10K9,10KA,10KB,and10KC.

FederalCommunicationsCommissionDeclarationofConformity

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuant
toPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmful
interferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterference
toradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbe
determinedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferenceby
oneormoreofthefollowingmeasures:

•Reorientorrelocatethereceivingantenna.

•Increasetheseparationbetweentheequipmentandreceiver.

•Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.

•Consultanauthorizeddealerorservicerepresentativeforhelp.

Lenovoisnotresponsibleforanyradioortelevisioninterferencecausedbyusingotherthanspecifiedor
recommendedcablesandconnectorsorbyunauthorizedchangesormodificationstothisequipment.
Unauthorizedchangesormodificationscouldvoidtheuser'sauthoritytooperatetheequipment.

ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)
thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,
includinginterferencethatmaycauseundesiredoperation.

ResponsibleParty:
Lenovo(UnitedStates)Incorporated
1009ThinkPlace-BuildingOne
Morrisville,NC27560
PhoneNumber:919-294-5900

IndustryCanadaClassBemissioncompliancestatement

CANICES-3(B)/NMB-3(B)

EuropeanUnion-CompliancetotheElectromagneticCompatibilityDirective

©CopyrightLenovo2015

83

ThisproductisinconformitywiththeprotectionrequirementsofEUCouncilDirective2004/108/EConthe
approximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility.Lenovocannot
acceptresponsibilityforanyfailuretosatisfytheprotectionrequirementsresultingfromanon-recommended
modificationoftheproduct,includingtheinstallationofoptioncardsfromothermanufacturers.

ThisproducthasbeentestedandfoundtocomplywiththelimitsforClassBInformationT echnology
EquipmentaccordingtoEuropeanStandardEN55022.ThelimitsforClassBequipmentwerederived
fortypicalresidentialenvironmentstoprovidereasonableprotectionagainstinterferencewithlicensed
communicationdevices.

Lenovo,Einsteinova21,85101Bratislava,Slovakia

GermanClassBcompliancestatement

DeutschsprachigerEUHinweis:

HinweisfürGerätederKlasseBEU-RichtliniezurElektromagnetischenVerträglichkeit

DiesesProduktentsprichtdenSchutzanforderungenderEU-Richtlinie2004/108/EG(früher89/336/EWG)zur
AngleichungderRechtsvorschriftenüberdieelektromagnetischeVerträglichkeitindenEU-Mitgliedsstaaten
undhältdieGrenzwertederEN55022KlasseBein.

Umdiesessicherzustellen,sinddieGerätewieindenHandbüchernbeschriebenzuinstallierenundzu
betreiben.DesWeiterendürfenauchnurvonderLenovoempfohleneKabelangeschlossenwerden.
LenovoübernimmtkeineVerantwortungfürdieEinhaltungderSchutzanforderungen,wenndasProdukt
ohneZustimmungderLenovoverändertbzw.wennErweiterungskomponentenvonFremdherstellernohne
EmpfehlungderLenovogesteckt/eingebautwerden.

Deutschland:

EinhaltungdesGesetzesüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln

DiesesProduktentsprichtdem„GesetzüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln“
EMVG(früher„GesetzüberdieelektromagnetischeVerträglichkeitvonGeräten“).DiesistdieUmsetzungder
EU-Richtlinie2004/108/EG(früher89/336/EWG)inderBundesrepublikDeutschland.

ZulassungsbescheinigunglautdemDeutschenGesetzüberdieelektromagnetischeVerträglichkeit
vonBetriebsmitteln,EMVGvom20.Juli2007(früherGesetzüberdieelektromagnetische
VerträglichkeitvonGeräten),bzw.derEMVEGRichtlinie2004/108/EC(früher89/336/EWG),für
GerätederKlasseB.

DiesesGerätistberechtigt,inÜbereinstimmungmitdemDeutschenEMVGdasEG-Konformitätszeichen

-CE-zuführen.VerantwortlichfürdieKonformitätserklärungnachParagraf5desEMVGistdieLenovo

(Deutschland)GmbH,Gropiusplatz10,D-70563Stuttgart.

InformationeninHinsichtEMVGParagraf4Abs.(1)4:

DasGeräterfülltdieSchutzanforderungennachEN55024undEN55022KlasseB.

KoreaClassBcompliancestatement

84ThinkCentreM73pUserGuide

JapanVCCIClassBcompliancestatement

Japancompliancestatementforproductswhichconnecttothepowermainswithratedcurrent
lessthanorequalto20Aperphase

Japannoticeforacpowercord

Theacpowercordshippedwithyourproductcanbeusedonlyforthisspecificproduct.Donotusetheac
powercordforotherdevices.

LenovoproductserviceinformationforT aiwan

KeyboardandmousecompliancestatementforT aiwan

Eurasiancompliancemark

Brazilaudionotice

Ouvirsonscommaisde85decibéisporlongosperíodospodeprovocardanosaosistemaauditivo.

Mexicowireless-radiocomplianceinformation

Advertencia:EnMexicolaoperacióndeesteequipoestásujetaalassiguientesdoscondiciones:(1)es

posiblequeesteequipoodispositivonocauseinterferenciaperjudicialy(2)esteequipoodispositivodebe
aceptarcualquierinterferencia,incluyendolaquepuedacausarsuoperaciónnodeseada.

Additionalregulatoryinformation

Foradditionalregulatoryinformation,refertotheRegulatoryNoticeshippedwithyourcomputer.Depending
ontheconfigurationofyourcomputerandthecountryorregionwherethecomputerwaspurchased,
youmighthavereceivedadditionalprintedregulatorynotices.Allregulatorynoticesareavailableonthe
LenovoSupportWebsiteinelectronicformat.Toaccesselectroniccopiesofthedocumentation,goto
http://www.lenovo.com/UserManuals.

AppendixA.Regulatoryinformation85

86ThinkCentreM73pUserGuide

AppendixB.WEEEandrecyclinginformation

Lenovoencouragesownersofinformationtechnology(IT)equipmenttoresponsiblyrecycletheir
equipmentwhenitisnolongerneeded.Lenovooffersavarietyofprogramsandservicestoassist
equipmentownersinrecyclingtheirITproducts.ForinformationonrecyclingLenovoproducts,goto
http://www.lenovo.com/recycling.Thelatestenvironmentalinformationaboutourproductsisavailableat
http://www.lenovo.com/ecodeclaration.

ImportantWEEEinformation

TheWEEEmarkingonLenovoproductsappliestocountrieswithWEEEande-wasteregulations(for
example,theEuropeanWEEEDirective,IndiaE-WasteManagement&HandlingRules,2011).Appliancesare
labeledinaccordancewithlocalregulationsconcerningwasteelectricalandelectronicequipment(WEEE).
Theseregulationsdeterminetheframeworkforthereturnandrecyclingofusedappliancesasapplicable
withineachgeography.Thislabelisappliedtovariousproductstoindicatethattheproductisnottobe
thrownaway,butratherputintheestablishedcollectionsystemsforreclaimingtheseendoflifeproducts.

Usersofelectricalandelectronicequipment(EEE)withtheWEEEmarkingmustnotdisposeofendof
lifeEEEasunsortedmunicipalwaste,butusethecollectionframeworkavailabletothemforthereturn,
recycle,andrecoveryofWEEEandtominimizeanypotentialeffectsofEEEontheenvironmentand
humanhealthduetothepresenceofhazardoussubstances.ForadditionalWEEEinformation,goto:
http://www.lenovo.com/recycling

RecyclinginformationforJapan

CollectingandrecyclingadisusedLenovocomputerormonitor

IfyouareacompanyemployeeandneedtodisposeofaLenovocomputerormonitorthatistheproperty
ofthecompany,youmustdosoinaccordancewiththeLawforPromotionofEffectiveUtilizationof
Resources.Computersandmonitorsarecategorizedasindustrialwasteandshouldbeproperlydisposed
ofbyanindustrialwastedisposalcontractorcertifiedbyalocalgovernment.InaccordancewiththeLaw
forPromotionofEffectiveUtilizationofResources,LenovoJapanprovides,throughitsPCCollecting
andRecyclingServices,forthecollecting,reuse,andrecyclingofdisusedcomputersandmonitors.For
details,visittheLenovoWebsiteathttp://www.lenovo.com/recycling/japan.PursuanttotheLawfor
PromotionofEffectiveUtilizationofResources,thecollectingandrecyclingofhome-usedcomputers
andmonitorsbythemanufacturerwasbegunonOctober1,2003.Thisserviceisprovidedfreeof
chargeforhome-usedcomputerssoldafterOctober1,2003.Fordetails,visittheLenovoWebsiteat
http://www.lenovo.com/recycling/japan.

©CopyrightLenovo2015

87

DisposingofLenovocomputercomponents

SomeLenovocomputerproductssoldinJapanmayhavecomponentsthatcontainheavymetalsorother
environmentalsensitivesubstances.T oproperlydisposeofdisusedcomponents,suchasaprintedcircuit
boardordrive,usethemethodsdescribedaboveforcollectingandrecyclingadisusedcomputerormonitor.

DisposingofdisusedlithiumbatteriesfromLenovocomputers

Abutton-shapedlithiumbatteryisinstalledinsideyourLenovocomputertoprovidepowertothecomputer
clockwhilethecomputerisoffordisconnectedfromthemainpowersource.Ifyouneedtoreplaceitwitha
newone,contactyourplaceofpurchaseorcontactLenovoforservice.Ifyouneedtodisposeofadisused
lithiumbattery,insulateitwithvinyltape,contactyourplaceofpurchaseoranindustrial-waste-disposal
operator,andfollowtheirinstructions.Disposalofalithiumbatterymustcomplywithlocalordinances
andregulations.

RecyclinginformationforBrazil

DeclaraçõesdeReciclagemnoBrasil

DescartedeumProdutoLenovoForadeUso

Equipamentoselétricoseeletrônicosnãodevemserdescartadosemlixocomum,masenviadosàpontosde
coleta,autorizadospelofabricantedoprodutoparaquesejamencaminhadoseprocessadosporempresas
especializadasnomanuseioderesíduosindustriais,devidamentecertificadaspelosorgãosambientais,de
acordocomalegislaçãolocal.

ALenovopossuiumcanalespecíficoparaauxiliá-lonodescartedessesprodutos.Casovocêpossua
umprodutoLenovoemsituaçãodedescarte,ligueparaonossoSACouencaminheume-mailpara:
[e-mail],informandoomodelo,númerodesérieecidade,afimdeenviarmosasinstruções
paraocorretodescartedoseuprodutoLenovo.

BatteryrecyclinginformationforTaiwan

BatteryrecyclinginformationfortheEuropeanUnion

Notice:ThismarkappliesonlytocountrieswithintheEuropeanUnion(EU).

88ThinkCentreM73pUserGuide

BatteriesorpackagingforbatteriesarelabeledinaccordancewithEuropeanDirective2006/66/EC
concerningbatteriesandaccumulatorsandwastebatteriesandaccumulators.TheDirectivedeterminesthe
frameworkforthereturnandrecyclingofusedbatteriesandaccumulatorsasapplicablethroughoutthe
EuropeanUnion.Thislabelisappliedtovariousbatteriestoindicatethatthebatteryisnottobethrown
away,butratherreclaimeduponendoflifeperthisDirective.

InaccordancewiththeEuropeanDirective2006/66/EC,batteriesandaccumulatorsarelabeledtoindicate
thattheyaretobecollectedseparatelyandrecycledatendoflife.Thelabelonthebatterymayalso
includeachemicalsymbolforthemetalconcernedinthebattery(Pbforlead,Hgformercury,andCdfor
cadmium).Usersofbatteriesandaccumulatorsmustnotdisposeofbatteriesandaccumulatorsasunsorted
municipalwaste,butusethecollectionframeworkavailabletocustomersforthereturn,recycling,and
treatmentofbatteriesandaccumulators.Customerparticipationisimportanttominimizeanypotential
effectsofbatteriesandaccumulatorsontheenvironmentandhumanhealthduetothepotentialpresenceof
hazardoussubstances.Forpropercollectionandtreatment,goto:
http://www.lenovo.com/recycling

AppendixB.WEEEandrecyclinginformation89

90ThinkCentreM73pUserGuide