Lenovo ThinkCentre M900z User Guide

ThinkCentreM900z
UserGuide

MachineTypes:10F2,10F3,10F4,and10F5

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe“Read

thisfirst:Importantsafetyinformation”onpageiii

andAppendixF“Notices”onpage79.

FourthEdition(September2016)

©CopyrightLenovo2015,2016.

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

Glasspartsnotice.............vii

Tip-overhazardpreventionnotice.......vii

Chapter1.Productoverview......1

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

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

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

Computercomponents..........5

Machinetypeandmodellabel........6

Features..................6

Specifications................9

Programs..................9

Accessingaprogramonthecomputer....9

Installingaprogramthatisreadytobe

installed...............10

AnintroductiontoLenovoprograms....10

Chapter2.Usingyourcomputer...13

Adjustingthecomputerstand.........13

Adjustingthetilt-onlymonitorstand....13

AdjustingtheUltraFlexIIStand......14

Registeringthecomputer..........16

Settingthecomputervolume.........16

AddinganicontotheWindowsnotificationarea.16

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

Guidelinesaboutusingtheopticaldrive...17

Handlingandstoringadisc........17

Playingandremovingadisc.......17

Recordingadisc............18

Connectingtoanetwork...........18

ConnectingtoanEthernetLAN......18

ConnectingtoawirelessLAN.......19

ConnectingtoaBluetooth-enableddevice..19

Usingthesingle-touchormulti-touchfeature...19

Chapter3.Y ouandyourcomputer..21

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

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

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

Electricaloutletlocationsandcablelengths.21

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

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

Cleaningthecomputer...........25

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

Basicmaintenancetips.........25

Goodmaintenancepractices.......25

Keepingthecomputercurrent.......26

Movingthecomputer............27

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

Lockingthecomputer............29

AttachingaKensington-stylecablelock...30
Viewingandchangingsecuritysettingsinthe

SetupUtilityprogram............30

Preventingunauthorizedaccesstothecomputer.30

Usingfingerprintauthentication........31

Usingthecoverpresenceswitch.......31

Usingandunderstandingfirewalls.......31

Protectingdataagainstviruses........32

ComputraceAgentsoftwareembeddedin

firmware.................32

TrustedPlatformModule(TPM)........32

Chapter5.Advancedconfiguration..33

UsingtheSetupUtilityprogram........33

StartingtheSetupUtilityprogram.....33

Enablingordisablingadevice.......33

EnablingordisablingtheAutomaticPowerOn

features...............33

EnablingordisablingtheErPLPScompliance

mode................34

ChangingtheICEperformancemode....34

EnablingordisablingtheICEThermalAlert

feature................34

EnablingordisablingtheConfiguration

ChangeDetectionfeature........35

UsingBIOSpasswords.........35

Selectingastartupdevice........36

ExitingtheSetupUtilityprogram......37

UpdatingtheBIOS.............37

©CopyrightLenovo2015,2016

i

Chapter6.T roubleshooting,

diagnostics,andrecovery......39

Basicprocedureforresolvingcomputer

problems.................39

Troubleshooting..............39

Startupproblems............39

Audioproblems............40

CDproblems.............41

DVDproblems.............41

Intermittentproblems..........42

Storagedriveproblems.........42

Screenproblems............43

Networkingproblems..........43

Performanceproblems..........45

Serialconnectorcannotbeaccessed....47

USBdeviceproblems..........47

Softwareanddriverproblems.......47

Diagnostics................48

LenovoSolutionCenter.........48

Recoveryinformation............48

RecoveryinformationforWindows7....48

RecoveryinformationforWindows10....49

Chapter7.Installingorreplacing

hardware...............51

Handlingstatic-sensitivedevices.......51

Installingorreplacinghardware........51

Installingexternaloptions........51

Replacingthecomputerstand.......52

Removingthebackcover........54

Replacingthememorymoduleshield....55

Replacingamemorymodule.......56

Replacingthestoragedrive........57

Completingthepartsreplacement.....59

Chapter8.Gettinginformation,help,

andservice..............61

Informationresources............61

Accessingtheuserguideinvarious

languages...............61

Windowshelpsystem..........61

Safetyandwarranty...........61

LenovoWebsite............61

LenovoSupportWebsite.........62

Frequentlyaskedquestions........62

Helpandservice..............62

Callingforservice............62

Usingotherservices..........63

Purchasingadditionalservices......63

AppendixA.Regulatory

information..............65

Exportclassificationnotice..........65

Electronicemissionsnotices.........65

FederalCommunicationsCommission

DeclarationofConformity........65

Eurasiancompliancemark..........67

Brazilaudionotice.............67

Mexicowireless-radiocomplianceinformation..67

Taiwanvisionprecautionnotice........68

Additionalregulatoryinformation.......68

AppendixB.WEEEandrecycling

information..............69

ImportantWEEEinformation.........69

RecyclinginformationforJapan........69

RecyclinginformationforBrazil........70

BatteryrecyclinginformationforTaiwan.....70

BatteryrecyclinginformationfortheEuropean

Union..................71

AppendixC.RestrictionofHazardous

Substances(RoHS)Directive.....73

EuropeanUnionRoHS...........73

TurkishRoHS...............73

UkraineRoHS...............73

IndiaRoHS................73

ChinaRoHS................74

TaiwanRoHS...............74

AppendixD.ChinaEnergyLabel...75

AppendixE.ENERGYSTARmodel

information..............77

AppendixF .Notices..........79

Trademarks................80

iiThinkCentreM900zUserGuide

Readthisfirst:Importantsafetyinformation

CAUTION:
Beforeusingthecomputer,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertothesafetyinformationinthissectionandintheSafetyandWarrantyGuidethatyou
receivedwiththisproduct.Readingandunderstandingallthesafetyinformationreducestheriskof
personalinjuryanddamagetoyourproduct.IfyounolongerhaveacopyoftheSafetyandWarranty
Guide,youcanobtainaPortableDocumentFormat(PDF)versionfromtheLenovo
siteathttp://www.lenovo.com/UserManuals.

Beforeusingthismanual

CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheinformationinthissectionandthesafetyinformationintheSafetyandWarranty
Guidethatyoureceivedwiththisproduct.Readingandunderstandingthissafetyinformationreduces
theriskofpersonalinjuryanddamagetoyourproduct.

®

SupportWeb

IfyounolongerhaveacopyoftheSafetyandWarrantyGuide,youcanobtainaPortableDocumentFormat
(PDF)versionfromtheLenovo

®

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

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysensure
thatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Ifyouhaveany
questionsorconcerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinthecomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.

CAUTION:

Hazardousmovingparts.Keepfingersandotherbodypartsaway.

CAUTION:

©CopyrightLenovo2015,2016

iii

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.

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,itshallbeH03VV-F,3G,0.75mm
connectedtothepoweradapter),H05VV-F,3G,0.75mm
supplyassembly),orbetter.Forothercountries,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.

2

(thepowercordconnectedtotheinternalpower

2

(thepowercord

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.

ivThinkCentreM900zUserGuide

Extensioncordsandrelateddevices

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

Plugsandoutlets

Ifareceptacle(poweroutlet)thatyouintendtousewiththecomputerequipmentappearstobedamagedor
corroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamagethecomputer,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,youmightdamagethecomputer.Toavoidpossibledamageto
connecteddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnectexternaldevices.

Heatandproductventilation

Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.Alwaysfollowthesebasicprecautions:

•Donotleavethecomputer,poweradapter,oraccessoriesincontactwithyourlaporanypartofyour
bodyforanextendedperiodwhentheproductsarefunctioningorwhenthebatteryischarging.The
computer,poweradapter,andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.

•Donotchargethebatteryoroperatethecomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.

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

©CopyrightLenovo2015,2016

v

Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythreemonths.Beforeinspecting
thecomputer,turnoffthepowerandunplugthecomputer'spowercordfromtheelectricaloutlet;then
removeanydustfromventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinletfins,powersupplyvents,
andfans.Alwaysturnoffandunplugthecomputerbeforeopeningthecover.Ifpossible,avoidoperatingthe
computerwithintwofeetofhigh-trafficareas.Ifyoumustoperatethecomputerinornearahigh-traffic
area,inspectand,ifnecessary,cleanthecomputermorefrequently.

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperatethecomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

Theoptimalenvironmentinwhichtousethecomputeris10°C–35°C(50°F–95°F)withhumidityranging
between35%and80%.Ifthecomputerisstoredortransportedintemperatureslessthan10°C(50°F),allow
thecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C–35°C(50°F–95°F)beforeuse.
Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowthecomputertorisetoanoptimal
operatingtemperaturebeforeusecouldresultinirreparabledamagetothecomputer.

Ifpossible,placethecomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and
microwaveovenawayfromthecomputerbecausethestrongmagneticfieldsgeneratedbytheseappliances
candamagethemonitoranddataonthestoragedrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherconnecteddevices.Ifliquidisspilled
onorinthecomputeroraconnecteddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Lasercompliancestatement

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

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.

viThinkCentreM900zUserGuide

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.

Powersupplystatement

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

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

Cleaningandmaintenance

Keepthecomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.

Glasspartsnotice

CAUTION:
Somepartsofyourproductmaybemadeofglass.Thisglasscouldbreakiftheproductisdropped
onahardsurfaceorreceivesasubstantialimpact.Ifglassbreaks,donottouchorattempttoremove
it.Stopusingyourproductuntiltheglassisreplacedbytrainedservicepersonnel.

Tip-overhazardpreventionnotice

•Placethecomputeronasturdyandlowbase,oranchorthefurnitureandpositionthecomputeras
farbackonthefurnitureaspossible.

•Keepremotecontrols,toys,andotheritemsthatmightattractchildrenoffthecomputer.

•Keepthecomputer,cables,andcordsoutofthereachofchildren.

•Supervisechildreninroomswherethesesafetytipshavenotbeenfollowed.

©CopyrightLenovo2015,2016

vii

viiiThinkCentreM900zUserGuide

Chapter1.Productoverview

Thischapterprovidesinformationaboutthefollowingtopics:

•“Hardwarelocations”onpage1

•“Features”onpage6

•“Specifications”onpage9

•“Programs”onpage9

Hardwarelocations

Thissectionprovidesinformationaboutthelocationsofthecomputerhardware.

Note:Thecomputerhardwaremightlookslightlydifferentfromtheillustrations.

Frontview

Figure1.Frontview

1Integratedmicrophones(2)(somemodels)2Integratedcameraactivityindicator(somemodels)

3Integratedcamera(somemodels)4Opticaldriveeject/closebutton(somemodels)

5Monitor/computermodeswitch6Brightness-upcontrol(computermode)

7Brightness-downcontrol(computermode)8Microphonemute/unmutecontrol(computermode)

9Powerbutton

©CopyrightLenovo2015,2016

10Microphonemute/unmuteindicator

1

11Powerindicator

13Internalspeakers(2)

12Storagedriveactivityindicator

•Brightness-downcontrol
Usedtoreducethescreenbrightness.

•Brightness-upcontrol
Usedtoenhancethescreenbrightness.

•Integratedcamera
Usedtotakepicturesorholdavideoconference.

•Integratedcameraactivityindicator
Whentheintegratedcameraactivityindicatorison,thecameraisinuse.

•Integratedmicrophone
Usedtorecordsoundsorusespeech-recognitionsoftwarewithoutusingamicrophone.

•Internalspeaker
Usedtolistentothesoundsfromyourcomputerwithoutusingaheadsetorheadphones.

•Microphonemute/unmutecontrol
Usedtomuteorunmutetheintegratedmicrophones.

•Microphonemute/unmuteindicator
Whenthemicrophonemute/unmuteindicatorison,themicrophonesaremuted.

•Monitor/computermodeswitch
Usedtoswitchbetweenthemonitormodeandcomputermodemanually.

•Opticaldriveeject/closebutton
Usedtoejectthetrayoftheopticaldrivefromthedrive.Afteryouinsertadiscintothetray,press

theeject/closebuttontoclosethetray.

•Powerbutton
Usedtoturnonyourcomputer.Y oualsocanusethepowerbuttontoturnoffyourcomputeronlywhen

youcannotuseanyMicrosoft

®

Windows

®

shutdownproceduretoturnoffyourcomputer.

•Powerindicator
Whenthepowerindicatorison,thecomputerison.

•Storagedriveactivityindicator
Whenthestoragedriveactivityindicatorison,thestoragedrivesareinuse.

2ThinkCentreM900zUserGuide

Rearview

Note:Thecomputerstandisavailableonlyonsomemodels.

•Ifyourcomputercomeswithacomputerstand,ensurethatyouusethecomputerwiththestandinstalled.
Ifyouwanttousethecomputerwiththestandremoved,donotturnonthecomputerbeforecontacting
theLenovoCustomerSupportCenterfortheadditionalthermalsolution.

•Ifyourcomputerdoesnotcomewithacomputerstand,donottearofftheMylarontherearofthe
computer.Afterinitialsetup,youcanusethecomputer.

Figure2.Rearview

1Integratedcamerashieldcontrolslider(somemodels)2USB3.0connector

3AlwaysOnUSB3.0connector(forrapidcharge)4Headsetconnector(alsoknownascomboaudiojack)

5Cardreaderslot(somemodels)6USB3.0connectors(4)

7DisplayPort

9Serialconnector(somemodels)10Security-lockslot

11Powercordconnector

®

in/outconnector

8Ethernetconnector

•AlwaysOnUSB3.0connector
UsedtoconnectadevicethatrequiresaUSB2.0orUSB3.0connection,suchasakeyboard,amouse,a

scanner,aprinter,orapersonaldigitalassistant(PDA).Withtheacpoweradapterconnected,youcan
chargetheautomaticallydetecteddeviceevenwhenthecomputerisinhibernationmodeorturnedoff.
ToenabletheAlwaysOnUSBfunction,openthePowerManagerprogram.See“Accessingaprogramon
thecomputer”onpage9

.Then,followtheinstructionsonthescreen.

Chapter1.Productoverview3

•Cardreaderslot
Usedtoholdacard-shapedstoragemediumsothatthecardreadercanreadthedataonthestorage

medium.

•DisplayPortin/outconnector
Usedtoreceiveorsendaudioandvideosignals.Whenahigh-performancemonitorisattachedtothis

connector,thecomputerautomaticallychangestothecomputermode.Whenanothercomputeris
attachedtothisconnector,thecomputerautomaticallychangestothemonitormode.

Note:WhenanotherM900zcomputerisattachedtothisDisplayPortin/outconnector,disabletheDP
Input/OutputDeviceAutoDetectionfeature.See“Enablingordisablingadevice”onpage33

.Then,
usethemonitor/computermodeswitchesonboththecomputerstoswitchtothemonitormodeor
computermode.

•Ethernetconnector
UsedtoconnectanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFederalCommunicationsCommission(FCC)ClassBlimits,usea
Category5eorbetterEthernetcable.

•Headsetconnector
Usedtoconnectearphones,headphones,oraheadsettoyourcomputer.

•Integratedcamerashieldcontrolslider
Usedtodisabletheintegratedcameraphysically.

•Powercordconnector
Usedtoconnectthepowercordtoyourcomputerforpowersupply.

•Security-lockslot
UsedtosecureaKensington-stylecablelock.Formoreinformation,see“AttachingaKensington-style

cablelock”onpage30

.

•Serialconnector
Usedtoconnectanexternalmodem,aserialprinter,orotherdevicesthatuseaserialconnector.

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

scanner,aprinter,oraPDA.

4ThinkCentreM900zUserGuide

Computercomponents

Note:Dependingonyourcomputermodel,someofthefollowingcomponentsmightnotbeavailable.

Figure3.Computercomponents

1UltraFlexIIStand

3Tilt-onlymonitorstand4Backcover

5Memorymodule6Memorymoduleshield

7Storagedrive8Storagedrivebracket

9Powercord

2Tilt-onlymonitorstandbase

Chapter1.Productoverview5

Machinetypeandmodellabel

MT-M XXXX-XXXXXX
S/N XXXXXXXX

Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.

Themachinetypeandmodellabelisattachedonthesideofyourcomputerasshown.

Figure4.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.

6ThinkCentreM900zUserGuide

Preinstalledoperatingsystem

YourcomputerispreinstalledwithWindows7orWindows10operatingsystem.Additionaloperating
systemsmightbeidentifiedbyLenovoascompatiblewithyourcomputer.T odetermineifanoperating
systemhasbeencertifiedortestedforcompatibility,checktheWebsiteoftheoperatingsystemprovider.

Powersupply

150-wattautomaticvoltage-sensingpowersupply

Storagedrives

Yourcomputersupportsonestoragedrive.

Toviewtheamountofstoragedrivespace,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

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

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickDiskManagement.

Videofeatures

TheintegratedgraphicscardsupportstheDisplayPortin/outconnectoronyourcomputer.

Audiofeatures

Theintegratedaudiocardsupportsthefollowingaudioconnectorsanddevicesonyourcomputer:

•Headsetconnector(alsoknownascomboaudiojack)

•Integratedmicrophone(availableonsomemodels)

•Internalspeaker

Input/Output(I/O)features

•Cardreaderslot(availableonsomemodels)

•DisplayPortin/outconnector

•Ethernetconnector

•Headsetconnector(alsoknownascomboaudiojack)

•Serialconnector(availableonsomemodels)

•USBconnector

Expansion

•Cardreader(availableonsomemodels)

•Memoryslot

•Opticaldrive(availableonsomemodels)

•Storagedrivebay

Networkfeatures

•EthernetLAN
TheintegratednetworkinterfacecardsupportstheEthernetconnectoronyourcomputer.

•WirelessLAN(availableonsomemodels)

•Bluetooth(availableonsomemodels)

Chapter1.Productoverview7

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
“EnablingordisablingtheErPLPScompliancemode”onpage34.

•IntelligentCoolingEngine(ICE)
TheIntelligentCoolingEngineisasystemthermalmanagementsolutionthatenablesyourcomputer

torunwithbetterthermalandacousticperformance.TheICEfunctionalsomonitorsthethermal
performanceofyourcomputertoidentifythermalproblems.Formoreinformation,see“ChangingtheICE
performancemode”onpage34

•Intel

®

StandardManageability

and“EnablingordisablingtheICEThermalAlertfeature”onpage34.

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

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

easierandlessexpensiveforbusinessestomonitor,maintain,update,upgrade,andrepair.

•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.

8ThinkCentreM900zUserGuide

Specifications

Thissectionliststhephysicalspecificationsforyourcomputer.

Dimensions(withoutacomputerstand)

Width:584mm(23.0inches)
Height:390mm(15.4inches)
Depth:45mm(1.8inches)

Weight(withoutthepackage)

Maximumconfigurationasshipped:10.9kg(24.0lb)

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

Thissectionprovidesinformationabouttheprogramsonthecomputer.

Accessingaprogramonthecomputer

Toaccessaprogramonthecomputer,dooneofthefollowing:

•FromWindowsSearch:

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogramname

intothesearchbox.

–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.

2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.

•FromtheStartmenuorControlPanel:

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickAllProgramstodisplaytheprogramlist.Fromthelistorafolderinthelist,

clickthenameofthedesiredprogramtolaunchtheprogram.

Chapter1.Productoverview9

–ForWindows10:Fromtheprogramlistorafolderinthelist,clickthenameofthedesiredprogram

tolaunchtheprogram.

3.IftheprogramnameisnotdisplayedontheStartmenu,dooneofthefollowing:

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

ControlPanel.

4.ViewControlPanelusinglargeiconsorsmallicons,andthenclickthenameofthedesiredprogram
tolaunchtheprogram.

Installingaprogramthatisreadytobeinstalled

Note:ForWindows7,dependingonthecomputermodel,someoftheLenovoprogramsmightbereadyto

beinstalled,soyouneedtoinstallthemmanually.Then,youcanaccessandusetheseprograms.

Toinstallaprogramthatisreadytobeinstalled,dothefollowing:

1.OpentheLenovoThinkVantage

2.ViewtheprogramiconsusingTiles.

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

®

Toolsprogram.See“Accessingaprogramonthecomputer”onpage9.

AnintroductiontoLenovoprograms

ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.

Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.

•ForWindows7only:

–CreateRecoveryMedia

TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage
drivetothefactory-defaultsettings.

–FingerprintManagerProorThinkVantageFingerprintSoftware

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

–LenovoBluetoothLock

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

–LenovoPowerENGAGE

TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.

–PasswordManager

ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.

10ThinkCentreM900zUserGuide

–PowerManager

ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementfor
yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance
betweenperformanceandpowersaving.

–RescueandRecovery

®

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

–SystemUpdate

TheSystemUpdateprogramprovidesregularaccesstothesystemupdatesforyourcomputer,such
asdevicedriverupdates,softwareupdates,andBIOSupdates.Theprogramgathersinformationfrom
theLenovoHelpCenteraboutnewupdatesforyourcomputer,thensortsanddisplaystheupdatesfor
downloadandinstallation.Youhavecompletecontrolofwhichupdatestodownloadandinstall.

•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.

–LenovoSettings

TheLenovoSettingsprogramistheonestopshopforyoutocontrolhardwarefeatures,sensors
andprogramsonyourcomputer.LenovoSettingsenablesyoutooptimizedeviceperformanceby
customizingkeyfunctions,suchaspowerplans,audio,camera,andnetworks.

•ForWindows7andWindows10:

–LenovoDeviceExperienceorLenovoPCExperience

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

–LenovoSolutionCenter

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

–LenovoVisionGuard

TheLenovoVisionGuardprogramreducesthebluelightemittedfromthedisplayandthuscreatesa
lessstimulatingimageandmorerelaxingvisionexperienceforyoureyes.

Chapter1.Productoverview11

12ThinkCentreM900zUserGuide

Chapter2.Usingyourcomputer

Thischaptercontainsthefollowingtopics:

•“Adjustingthecomputerstand”onpage13

•“Registeringthecomputer”onpage16

•“Settingthecomputervolume”onpage16

•“AddinganicontotheWindowsnotificationarea”onpage16

•“Usingadisc”onpage17

•“Connectingtoanetwork”onpage18

•“Usingthesingle-touchormulti-touchfeature”onpage19

Adjustingthecomputerstand

Youcanusethecomputerstandtoadjustthecomputertoapositioncomfortableforyou.

Note:Thecomputerstandisavailableonlyonsomemodels.

•Ifyourcomputercomeswithacomputerstand,ensurethatyouusethecomputerwiththestandinstalled.
Ifyouwanttousethecomputerwiththestandremoved,donotturnonthecomputerbeforecontacting
theLenovoCustomerSupportCenterfortheadditionalthermalsolution.

•Ifyourcomputerdoesnotcomewithacomputerstand,donottearofftheMylarontherearofthe
computer.Afterinitialsetup,youcanusethecomputer.

Adjustingthetilt-onlymonitorstand

Youcanadjusttheverticalpositionofthecomputerbetween5°tothefrontand45°totherearasshown.

Figure5.Adjustingthetilt-onlymonitorstand

©CopyrightLenovo2015,2016

13

Youcanmanagecables(suchascablesofthekeyboardandmouse)byroutingthecablesthroughthecable
looponthestandasshown.

Figure6.Cablelooponthetilt-onlymonitorstand

AdjustingtheUltraFlexIIStand

YoucanusetheUltraFlexIIStandtoadjustthecomputerbydoingthefollowing:

1.Y oucanadjusttheverticalpositionofthecomputerbetween5°tothefrontand61°totherearasshown.

Figure7.Adjustingtheverticalpositionofthecomputertothefrontortotherear

14ThinkCentreM900zUserGuide

2.Afteryouadjustyourcomputertotherear,youcanadjusttheUltraFlexIIStanddownwardwithina
rangeof59°asshown.

Figure8.AdjustingtheUltraFlexIIStanddownward

3.Y oucanadjusttheangleofthecomputerbetween45°totheleftand45°totherightasshown.

Figure9.Adjustingthecomputertotheleftortotheright

Chapter2.Usingyourcomputer15

Youcanmanagecables(suchascablesofthekeyboardandmouse)byroutingthecablesthroughthecable
looponthestandasshown.

Figure10.CableloopontheUltraFlexIIStand

Registeringthecomputer

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

ToregisterthecomputerwithLenovo,ensurethatthecomputerisconnectedtotheInternet.Then,goto
http://www.lenovo.com/registerandfollowtheinstructionsonthescreen.

Settingthecomputervolume

Tosetthecomputervolume,dothefollowing:

1.ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage16.

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➙Personalization➙T askbar➙Turnsystemiconsonoroff.

c.Turnonthedesiredicon.

3.IftheiconisstillnotdisplayedintheWindowsnotificationarea,repeatstep1.

16ThinkCentreM900zUserGuide

Usingadisc

Thissectionprovidesinformationaboutusingadiscandtheopticaldrive.

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.

Chapter2.Usingyourcomputer17

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

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“Accessingaprogramonthecomputer”onpage9.

3.Followtheinstructionsonthescreen.

•BurnadiscfromanISOfile.

1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.

2.Double-clicktheISOfile.

3.Followtheinstructionsonthescreen.

®

Player.

Recordingadiscusingpreinstalledprograms

Torecordadiscusingpreinstalledprograms,dothefollowing:

1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.

2.OpenthePowerDVDCreate,PowerProducer,orPower2Goprogram.See“Accessingaprogramonthe
computer”onpage9.

3.Followtheinstructionsonthescreen.

Connectingtoanetwork

Thissectionprovidesinformationaboutconnectingtoanetwork.Ifyoucannotconnectthecomputertoa
network,see“Networkingproblems”onpage43.

ConnectingtoanEthernetLAN

YoucanconnectthecomputertoanEthernetLANbyconnectinganEthernetcabletotheEthernetconnector.

18ThinkCentreM900zUserGuide

DANGER

Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.

ConnectingtoawirelessLAN

YoucanconnectthecomputertoawirelessLANwithouttheuseofanEthernetcablebutbymeansof
radiowavesonly.

Note:ThewirelessLANfeatureisoptional.

Toestablishawireless-LANconnection,dothefollowing:

1.EnsurethatawirelessLANisavailableandthewirelessLANfeatureonthecomputerisworking.

2.Clickthewireless-network-connection-statusiconintheWindowsnotificationareatodisplayavailable
wirelessnetworks.

Note:Ifthewireless-network-connection-statusiconisnotdisplayedintheWindowsnotificationarea,
addtheicontothenotificationarea.See“AddinganicontotheWindowsnotificationarea”onpage16

3.ClickawirelessLAN,andthenclickConnecttoconnectthecomputertoit.Providerequired
informationifneeded.

ConnectingtoaBluetooth-enableddevice

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

.

Note:TheBluetoothfeatureisoptional.

ToconnecttoaBluetooth-enableddevice,dothefollowing:

1.EnsurethattheBluetoothfeatureonthecomputerisworkingandtheBluetooth-enableddeviceis
locatedwithinadistanceofabout10m(32.8ft)fromthecomputer.

2.ClicktheBluetoothiconintheWindowsnotificationareaonthetaskbar.Then,clickAddaDeviceand
followtheinstructionsonthescreen.

Note:IftheBluetoothiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage16

.

Usingthesingle-touchormulti-touchfeature

Dependingonthecomputermodel,thesingle-touchorthemulti-touchfeatureisavailable.Thesingle-touch
featureenablesyoutouseonlyonefingeratatimetointeractwiththecomputer.Themulti-touchfeature
enablesyoutouseoneortwofingerstointeractwiththecomputer.

Note:Thesingle-touchandmulti-touchfeaturesareoptional.

Tousethesingle-touchormulti-touchfeature,dothefollowing:

•Tomakeasingleclick,tapthetouchscreenoncewithyourfinger.

•Tomakeadouble-click,taptwicewithoutpausing.

•Tomakearight-click,tapthetouchscreenonceandthenholdyourfingeronthetouchscreenuntila
roundcircleisdisplayed.Then,liftyourfingeroffthetouchscreensothatacontextmenuisdisplayed.
Youcanmakeyourselectiononthemenu.

Chapter2.Usingyourcomputer19

•Tomakeiteasiertoreadoreditadocument,usetwofingerstozoomin,zoomout,scroll,orrotate
onthetouchscreen.

20ThinkCentreM900zUserGuide

Chapter3.Youandyourcomputer

Thischaptercontainsthefollowingtopics:

•“Arrangingyourworkspace”onpage21

•“Accessibilityinformation”onpage22

•“Cleaningthecomputer”onpage25

•“Maintenance”onpage25

•“Movingthecomputer”onpage27

Arrangingyourworkspace

Arrangeyourworkspacetosuityourneedsandthekindofworkyoudo.Thissectionprovidesinformation
aboutthefactorsthataffectthewayyouarrangeyourworkspace.

Glareandlighting

Positionthecomputertominimizeglareandreflectionsfromoverheadlights,windows,andotherlight
sources.Reflectedlightfromshinysurfacescancauseannoyingreflectionsonyourscreen.Whenpossible,
placethecomputeratrightanglestowindowsandotherlightsources.Ifnecessary,reduceoverhead
lightingbyturningofflightsorusinglowerwattagebulbs.Ifyouinstallthecomputernearawindow,use
curtainsorblindstoblockthesunlight.Youcanadjustthebrightnessandcontrastcontrolsonthecomputer
astheroomlightingchangesthroughouttheday.

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

Aircirculation

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

Electricaloutletlocationsandcablelengths

Thefollowingfactorsmightdeterminethefinalplacementofthecomputer:

•Locationsofelectricaloutlets

•Lengthofpowercordsorpoweradapters

•Lengthofthecablesthatareconnectedtootherdevices

Formoreinformationaboutpowercordsorpoweradapters,see“Powercordsandpoweradapters”on
pageiv

.

Comfort

Althoughnosingleworkingpositionisidealforeveryone,hereareafewguidelinestohelpyoufindaposition
thatsuitsyoubest.Thefollowingfiguresetsanexampleforyourreference.

©CopyrightLenovo2015,2016

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

Thefollowingtablecontainskeyboardshortcutsthatcanhelpmakethecomputereasiertouse.

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.

22ThinkCentreM900zUserGuide

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
Ifyouprefertotypeorenterdataintothecomputerusingamouse,joystick,orotherpointingdevice

insteadofaphysicalkeyboard,youcanuseOn-ScreenKeyboard.On-ScreenKeyboarddisplaysavisual
keyboardwithallthestandardkeys.

•HighContrast
HighContrastisafeaturethatheightensthecolorcontrastofsometextandimagesonyourscreen.Asa

result,thoseitemsaremoredistinctandeasiertoidentify.

•Personalizedkeyboard
Adjustkeyboardsettingstomakeyourkeyboardeasiertouse.Forexample,youcanuseyourkeyboard

tocontrolthepointerandtypecertainkeycombinationseasier.

•Personalizedmouse
Adjustmousesettingstomakeyourmouseeasiertouse.Forexample,youcanchangethepointer

appearanceandmakeiteasiertomanagewindowswiththemouse.

SpeechRecognition

SpeechRecognitionenablesyoutocontrolthecomputerbyvoice.

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

Youcanmakethetextandimagesonyourscreeneasiertoreadbyadjustingthescreenresolutionofthe
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.

–ChangethesizeoftheitemsonaWebpage.

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

–Changethesizeoftheitemsonthedesktoporawindow.

Note:Thisfunctionmightnotworkonsomewindows.
Ifyourmousehasawheel,pressandholdCtrl,andthenscrollthewheeltochangetheitemsize.

Industry-standardconnectors

Thecomputerprovidesindustry-standardconnectorsthatenableyoutoconnectassistivedevices.

24ThinkCentreM900zUserGuide

TTY/TDDconversionmodem

Thecomputersupportstheuseofatexttelephone(TTY)orthetelecommunicationsdeviceforthedeaf(TDD)
conversionmodem.ThemodemmustbeconnectedbetweenthecomputerandaTTY/TDDtelephone.
Then,youcantypeamessageonthecomputerandsendittothetelephone.

Documentationinaccessibleformats

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

Cleaningthecomputer

CAUTION:
Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnected
tothecomputer.

Itisagoodpracticetocleanthecomputerperiodicallytoprotectthesurfacesandensuretrouble-free
operation.Useonlymildcleaningsolutionsandadampclothtocleanthepaintedsurfacesofthecomputer.

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

Maintenance

Withappropriatecareandmaintenance,thecomputerwillserveyoureliably.Thissectionprovides
informationaboutmaintainingthecomputersothatitcankeepworkingintoporder.

Basicmaintenancetips

Herearesomebasicpointsaboutkeepingthecomputerfunctioningproperly:

•Keepthecomputerinaclean,dryenvironment.Ensurethatthecomputerrestsonaflat,steadysurface.

•Donotcoveranyofairvents.Theseairventsprovideairflowtokeepthecomputerfromoverheating.

•Keepfoodanddrinksawayfromallpartsofthecomputer.Foodparticlesandspillsmightmakethe
keyboardandmousestickandunusable.

•Donotgetthepowerswitchesorothercontrolswet.Moisturecandamagethesepartsandcausean
electricalhazard.

•Alwaysdisconnectapowercordbygraspingthepluginsteadofthecord.

Goodmaintenancepractices

Byperformingafewgoodmaintenancepractices,youcanmaintaingoodcomputerperformance,protect
yourdata,andbepreparedincaseofacomputerfailure.

•Keepthecomputersoftware,devicedrivers,andoperatingsystemup-to-date.See“Keepingthe
computercurrent”onpage26

•Emptyyourrecyclebinonaregularbasis.

•CleanoutyourInbox,SentItems,andDeletedItemsfoldersinyoure-mailapplicationonaregularbasis.

.

Chapter3.Youandyourcomputer25

•Cleanupfilesandfreeupstoragedrivespaceandmemoryspaceoccasionallytopreventperformance
problems.See“Performanceproblems”onpage45

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

•Backupyourdataonthestoragedriveregularly.Youcanrestorethestoragedrivefromabackup.
Tobackupyourdata,dooneofthefollowing:

–ForWindows7:OpentheRescueandRecoveryprogram.See“Accessingaprogramonthecomputer”

onpage9

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl

Panel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickFileHistory.Followthe
instructionsonthescreen.

•Createarecoverymediumasearlyaspossible.Youcanusetherecoverymediumtorecoveryour
operatingsystemevenifWindowsfailstostartup.

Tocreatearecoverymedium,dooneofthefollowing:

–ForWindows7:OpentheCreateRecoveryMediaprogram.See“Accessingaprogramonthe

computer”onpage9
systemoftheprogram.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl

Panel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickRecovery.Followthe
instructionsonthescreen.

•ForWindows7,createarescuemediumasearlyaspossible.Youcanusetherescuemediumto
recoverfromfailuresthatpreventyoufromgainingaccesstotheRescueandRecoveryworkspace
onyourstoragedrive.

Tocreatearescuemedium,opentheRescueandRecoveryprogram.See“Accessingaprogramonthe
computer”onpage9
oftheprogram.

.Formoreinformationaboutbackingupyourdata,refertothehelpsystemoftheprogram.

.Formoreinformationaboutcreatingarecoverymedium,refertothehelp

.Formoreinformationaboutcreatingarescuemedium,refertothehelpsystem

.

Keepingthecomputercurrent

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

Gettingthelatestdevicedrivers

Attention:Reinstallingdevicedriverswillchangethecurrentconfigurationofthecomputer.

Togetthelatestdevicedriversforthecomputer,dooneofthefollowing:

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

•UsetheLenovoprogramorWindowsUpdate.See“Gettingthelatestsystemupdates”onpage26.

Note:ThedevicedriversprovidedbyWindowsUpdatemightnotbetestedbyLenovo.Itisrecommended
thatyougetdevicedriversfromLenovo.

Gettingthelatestsystemupdates

Togetthelatestsystemupdatesforthecomputer,ensurethatthecomputerisconnectedtotheInternet
anddooneofthefollowing:

•UseoneofthefollowingLenovoprogramstogetthesystemupdates:

26ThinkCentreM900zUserGuide

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

onpage9.Formoreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.

•UseWindowsUpdatetogetthesystemupdates.

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,and

thenclickWindowsUpdate.

–ForWindows10:ClickSettings➙Update&security➙WindowsUpdate.

3.Followtheinstructionsonthescreen.

Movingthecomputer

Beforemovingthecomputer,takethefollowingprecautions:

1.Backupyourdataonthestoragedrive.See“Goodmaintenancepractices”onpage25.

2.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

3.Ifyousavedtheoriginalshippingcartonsandpackingmaterials,usethemtopacktheunits.Ifyouare
usingdifferentcartons,cushiontheunitstoavoiddamage.

Movingthecomputertoanothercountryorregion

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

Chapter3.Youandyourcomputer27

28ThinkCentreM900zUserGuide

Chapter4.Security

Thischaptercontainsthefollowingtopics:

•“Lockingthecomputer”onpage29

•“ViewingandchangingsecuritysettingsintheSetupUtilityprogram”onpage30

•“Preventingunauthorizedaccesstothecomputer”onpage30

•“Usingfingerprintauthentication”onpage31

•“Usingthecoverpresenceswitch”onpage31

•“Usingandunderstandingfirewalls”onpage31

•“Protectingdataagainstviruses”onpage32

•“ComputraceAgentsoftwareembeddedinfirmware”onpage32

•“TrustedPlatformModule(TPM)”onpage32

Lockingthecomputer

Thissectionprovidesinformationaboutlockingthecomputerwiththelockingdevicestokeepthecomputer
safe.

©CopyrightLenovo2015,2016

29

AttachingaKensington-stylecablelock

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

Figure11.Kensington-stylecablelock

ViewingandchangingsecuritysettingsintheSetupUtilityprogram

ToviewandchangesecuritysettingsintheSetupUtilityprogram,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectSecurity.

3.Followtheinstructionsontherightsideofthescreentoviewandchangesecuritysettings.Y oucan
referto“UsingtheSetupUtilityprogram”onpage33togetbasicinformationaboutsomemajor
securitysettings.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

Preventingunauthorizedaccesstothecomputer

YoucanuseBIOSpasswordsandWindowsaccountstopreventunauthorizedaccesstothecomputerand
data.

•TouseBIOSpasswords,see“UsingBIOSpasswords”onpage35.

•TouseWindowsaccounts,dothefollowing:

30ThinkCentreM900zUserGuide

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:OpentheFingerprintManagerProorThinkVantageFingerprintSoftwareprogram
providedbyLenovo.See“Accessingaprogramonthecomputer”onpage9.Formoreinformationabout
usingtheprogram,refertothehelpsystemoftheprogram.

•ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickSettings➙Accounts➙
Sign-inoptions.Followtheinstructionsonthescreen.

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

Usingthecoverpresenceswitch

Thecoverpresenceswitchpreventsthecomputerfromloggingintotheoperatingsystemwhenthe
computercoverisnotproperlyinstalledorclosed.

Toenablethecover-presence-switchconnectoronthesystemboard,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectSecurity➙ChassisIntrusionDetectionandpressEnter.

3.SelectEnabledandpressEnter.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

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

1.Properlyinstallorclosethecomputercover.

2.StartandthenexittheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33and
“ExitingtheSetupUtilityprogram”onpage37.

Usingandunderstandingfirewalls

Afirewallcanbehardware,software,oracombinationofbothdependingonthelevelofsecurityrequired.
Firewallsworkonasetofrulestodeterminewhichinboundandoutboundconnectionsareauthorized.Ifthe
computerispreinstalledwithafirewallprogram,ithelpsprotectagainstcomputerInternetsecuritythreats,
unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.Formoreinformation
abouthowtousethefirewallprogram,refertothehelpsystemofyourfirewallprogram.

Chapter4.Security31

TouseWindowsFirewall,dothefollowing

1.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickWindows
Firewall.

3.Followtheinstructionsonthescreen.

Protectingdataagainstviruses

Thecomputerispreinstalledwithanantivirusprogramtohelpyouguardagainst,detect,andeliminate
viruses.

Lenovoprovidesafullversionofantivirussoftwareonthecomputerwithafree30-daysubscription.After30
days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.

Note:Virusdefinitionfilesmustbekeptup-to-datetoguardagainstnewviruses.

Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.

ComputraceAgentsoftwareembeddedinfirmware

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

TrustedPlatformModule(TPM)

TPMisasecurecryptoprocessorthatcanstorecryptographickeysthatprotectinformationstoredinthe
computer.

32ThinkCentreM900zUserGuide

Chapter5.Advancedconfiguration

Thischaptercontainsthefollowingtopics:

•“UsingtheSetupUtilityprogram”onpage33

•“UpdatingtheBIOS”onpage37

UsingtheSetupUtilityprogram

TheSetupUtilityprogramisusedtoviewandchangetheconfigurationsettingsofthecomputer.This
sectionprovidesinformationaboutonlythemajorconfigurationsettingsavailableintheprogram.

Note:TheoperatingsystemsettingsmightoverrideanysimilarsettingsintheSetupUtilityprogram.

StartingtheSetupUtilityprogram

TostarttheSetupUtilityprogram,dothefollowing:

1.T urnonorrestartthecomputer.

2.BeforeWindowsstartsup,repeatedlypressandreleasetheF1keyuntiltheSetupUtilityprogram
opens.IfaBIOSpasswordhasbeenset,theSetupUtilityprogramwillnotopenuntilyouenterthe
correctpassword.Formoreinformation,see“UsingBIOSpasswords”onpage35

Note:Forsomekeyboards,youmightneedtopressFn+F1toopentheSetupUtilityprogram.

.

Toviewandchangetheconfigurationsettings,followtheinstructionsontherightsideofthescreen.The
keysusedtoperformvarioustasksaredisplayedatthebottomofthescreen.

Enablingordisablingadevice

Thissectionprovidesinformationabouthowtoenableordisableuseraccesstohardwaredevices(such
asUSBconnectorsorstoragedrives).

Toenableordisableadevice,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectDevices.

3.SelectthedeviceyouwanttoenableordisableandpressEnter.

4.SelectthedesiredsettingandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

EnablingordisablingtheAutomaticPowerOnfeatures

IfyouenabletheAutomaticPowerOnfeatures,thecomputerwillstartupautomatically.

ToenableordisabletheAutomaticPowerOnfeatures,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectPower➙AutomaticPowerOnandpressEnter.

3.SelectthefeatureyouwanttoenableordisableandpressEnter.

4.SelectthedesiredsettingandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

©CopyrightLenovo2015,2016

33

EnablingordisablingtheErPLPScompliancemode

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

YoucanenabletheErPLPScompliancemodeintheSetupUtilityprogramtoreducetheconsumptionof
electricitywhenthecomputerisofforinsleepmode.

ToenableordisabletheErPLPScompliancemode,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectPower➙EnhancedPowerSavingModeandpressEnter.

3.DependingonwhetheryouselectEnabledorDisabled,dooneofthefollowing:

•IfyouselectEnabled,pressEnter.Then,disabletheWakeonLANfeature.See“Enablingor
disablingtheAutomaticPowerOnfeatures”onpage33.

•IfyouselectDisabled,pressEnter.Then,gotothenextstep.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

WhentheErPLPScompliancemodeisenabled,youcanwakeupthecomputerbydoingoneofthe
following:

•Pressthepowerbutton.

•EnabletheWakeUponAlarmfeaturetomakethecomputerwakeupatasettime.See“Enablingor
disablingtheAutomaticPowerOnfeatures”onpage33.

•EnabletheAfterPowerLossfeaturetomakethecomputerwakeupwhenthepowersupplyresumesafter
asuddenlossofelectricity.

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectPower➙AfterPowerLossandpressEnter.

3.SelectPowerOnandpressEnter.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

ChangingtheICEperformancemode

YoucanadjusttheacousticandthermalperformanceofthecomputerbychangingtheICEperformance
mode.

TochangetheICEperformancemode,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectPower➙IntelligentCoolingEngine(ICE)andpressEnter.

3.SelectICEPerformanceModeandpressEnter.

4.FollowtheinstructionsonthescreentochoosetheappropriateICEperformancemode.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

EnablingordisablingtheICEThermalAlertfeature

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

ToenableordisabletheICEThermalAlertfeature,dothefollowing:

34ThinkCentreM900zUserGuide

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectPower➙IntelligentCoolingEngine(ICE)andpressEnter.

3.SelectICEThermalAlertandpressEnter.

4.SelectthedesiredsettingandpressEnter.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

EnablingordisablingtheConfigurationChangeDetectionfeature

IfyouenabletheConfigurationChangeDetectionfeature,whenthePOSTdetectstheconfigurationchanges
ofsomehardwaredevices(suchasstoragedrivesormemorymodules),anerrormessagewillbedisplayed
whenyouturnonthecomputer.

ToenableordisabletheConfigurationChangeDetectionfeature,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectSecurity➙ConfigurationChangeDetectionandpressEnter.

3.SelectthedesiredsettingandpressEnter.

4.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

Tobypasstheerrormessageandlogintotheoperatingsystem,dooneofthefollowing:

•PresstheF2key.

Note:Forsomekeyboards,youmightneedtopressFn+F2tobypasstheerrormessage.

•StartandthenexittheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33and
“ExitingtheSetupUtilityprogram”onpage37

.

UsingBIOSpasswords

ByusingtheSetupUtilityprogram,youcansetpasswordstopreventunauthorizedaccesstothecomputer
anddata.

Youdonothavetosetanypasswordstousethecomputer.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

Chapter5.Advancedconfiguration35

harddiskpasswordisset,youarepromptedtoenteravalidpasswordeachtimeyoutrytoaccess
thestoragedrive.

Notes:

–Afteryousetaharddiskpassword,yourdataonthestoragedriveisprotectedevenifthestoragedrive

isremovedfromonecomputerandinstalledinanother.

–Iftheharddiskpasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafrom

thestoragedrive.

Passwordconsiderations

Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.

Note:TheSetupUtilityprogrampasswordsarenotcasesensitive.

Tosetastrongpassword,considerthefollowingguidelines:

•Haveatleasteightcharactersinlength

•Containatleastonealphabeticcharacterandonenumericcharacter

•Notbeyournameoryourusername

•Notbeacommonwordoracommonname

•Besignificantlydifferentfromyourpreviouspasswords

Setting,changing,anddeletingapassword

Toset,change,ordeleteapassword,dothefollowing:

1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

2.SelectSecurity.

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

4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.

Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage36.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

Selectingastartupdevice

Ifthecomputerdoesnotstartupfromadeviceasexpected,youcanchoosetochangethestartupdevice
sequencepermanentlyorselectatemporarystartupdevice.

Changingthestartupdevicesequencepermanently

Tochangethestartupdevicesequencepermanently,dothefollowing:

1.Dependingonthetypeofthestoragedevice,dooneofthefollowing:

•Ifthestoragedeviceisinternal,gotostep2.

•Ifthestoragedeviceisadisc,ensurethatthecomputerisonorturnonthecomputer.Then,insert

thediscintotheopticaldrive.

•Ifthestoragedeviceisanexternaldeviceotherthanadisc,connectthestoragedevicetothe

computer.

2.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage33.

3.SelectStartup.

36ThinkCentreM900zUserGuide

4.Followtheinstructionsontherightsideofthescreentochangethestartupdevicesequence.

5.ExittheSetupUtilityprogram.See“ExitingtheSetupUtilityprogram”onpage37.

Selectingatemporarystartupdevice

Note:Notalldiscsandstoragedrivesarebootable.

Toselectatemporarystartupdevice,dothefollowing:

1.Dependingonthetypeofthestoragedevice,dooneofthefollowing:

•Ifthestoragedeviceisinternal,gotostep2.

•Ifthestoragedeviceisadisc,ensurethatthecomputerisonorturnonthecomputer.Then,insert
thediscintotheopticaldrive.

•Ifthestoragedeviceisanexternaldeviceotherthanadisc,connectthestoragedevicetothe
computer.

2.T urnonorrestartthecomputer.BeforeWindowsstartsup,repeatedlypressandreleasetheF12key
untilStartupDeviceMenuisdisplayed.

Note:Forsomekeyboards,youmightneedtopressFn+F12todisplayStartupDeviceMenu.

3.SelectthedesiredstoragedeviceandpressEnter.Thecomputerwillstartupfromthedeviceyouselect.

Ifyouwanttoselectapermanentstartupdevice,selectEnterSetuponStartupDeviceMenuandpress
EntertostarttheSetupUtilityprogram.Formoreinformationabouthowtoselectapermanentstartup
device,see“Changingthestartupdevicesequencepermanently”onpage36

.

ExitingtheSetupUtilityprogram

ToexittheSetupUtilityprogram,dooneofthefollowing:

•Ifyouwanttosavethenewsettings,presstheF10key.Then,selectY esinthewindowdisplayed
andpressEnter.

Note:Forsomekeyboards,youmightneedtopressFn+F10toexittheSetupUtilityprogram.

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

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“Usingadisc”onpage17

.

Chapter5.Advancedconfiguration37

38ThinkCentreM900zUserGuide

Chapter6.Troubleshooting,diagnostics,andrecovery

Thischapterprovidessolutionstoresolvethecomputerproblems.Followthestepsinthebasicprocedure
forresolvingcomputerproblems,whichhelpsyoumakegooduseofthetroubleshooting,diagnostics,
andrecoveryinformation.

•“Basicprocedureforresolvingcomputerproblems”onpage39

•“T roubleshooting”onpage39

•“Diagnostics”onpage48

•“Recoveryinformation”onpage48

Basicprocedureforresolvingcomputerproblems

Itisrecommendedthatyouusethefollowingproceduretoresolvecomputerproblemsyouareexperiencing:

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

electricaloutlets.

c.AllconnecteddevicesareenabledintheBIOSsettingsofthecomputer.See“Enablingordisabling

adevice”onpage33

Iftheseactionsdonotresolveyourproblem,continuewiththenextstep.

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

3.Goto“Troubleshooting”onpage39andfollowtheinstructionsforthetypeofproblemyouare
experiencing.Ifthesetroubleshootinginstructionsdonotresolveyourproblem,continuewiththe
nextstep.

4.Runthediagnosticprogram.See“Diagnostics”onpage48.Ifthediagnosticprogramdoesnotresolve
yourproblem,continuewiththenextstep.

5.Recoveryouroperatingsystem.See“Recoveryinformation”onpage48.

6.Ifnoneoftheseactionssolveyourproblem,contacttheLenovoCustomerSupportCenter.Foralistof
LenovoSupportphonenumbers,gotohttp://www.lenovo.com/support/phone.Formoreinformation
abouthelp,service,andtechnicalassistance,seeChapter8“Gettinginformation,help,andservice”
onpage61.

.

Troubleshooting

Attention:Donotopenthecomputerorattemptanyrepairbeforereadingandunderstanding“Readthis

first:Importantsafetyinformation”inthisdocument.

Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.

Startupproblems

Thissectionprovidessolutionstostartup-relatedproblems.

Thecomputerdoesnotstartupwhenyoupressthepowerbutton

Solutions:Ensurethat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoaworkingelectricaloutlet.

©CopyrightLenovo2015,2016

39

•Ifthecomputerhasasecondarypowerswitchontherearofthecomputer,ensurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletforyourcountryorregion.

Theoperatingsystemfailstostartup

Solution:Ensurethatthestartupsequenceincludesthedevicewheretheoperatingsystemresides.Usually,
theoperatingsystemisonthestoragedrive.Formoreinformation,see“Changingthestartupdevice
sequencepermanently”onpage36.

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”onpage16.

•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.

40ThinkCentreM900zUserGuide

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothenotification

area.See“AddinganicontotheWindowsnotificationarea”onpage16

.

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
startthecomputer

Solution:EnsurethattheCDorDVDdriveisinthestartupsequencebeforethestoragedrive.Referto
“Selectingatemporarystartupdevice”onpage37forinformationonviewingandchangingthestartup
sequence.Notethatonsomemodelsthestartupsequenceispermanentlysetandcannotbechanged.

DVDproblems

ThissectionprovidessolutionstoDVD-relatedproblems.

BlackscreeninsteadofDVDvideo

Solutions:

•RestarttheDVDplayerprogram.

•Tryalowerscreenresolutionorcolordepth.

•Closeanyopenfiles,andthenrestartthecomputer.

DVDmoviedoesnotplay

Solutions:

•Ensurethatthediscsurfaceiscleanandnotscratched.

•Checkthediscorpackageforregionalcoding.Y oumightneedtopurchaseadiscwithcodingforthe
regionwhereyouareusingthecomputer.

NoaudioorintermittentaudiowhileplayingaDVDmovie

Solutions:

•Checkthevolumecontrolsettingsonthecomputerandonyourspeakers.

•Ensurethatthediscsurfaceiscleanandnotscratched.

•Checkallcableconnectionstoandfromthespeakers.

•UsetheDVDmenuforthevideotoselectadifferentaudiotrack.

Chapter6.Troubleshooting,diagnostics,andrecovery41

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”onpage42

•“"NoOperatingSystemFound"messageorthesystemnotstartingupfromthecorrectstoragedrive”
onpage42

SomeorallstoragedrivesmissingfromtheSetupUtilityprogram

Symptom:SomeorallstoragedrivesmissingfromtheSetupUtilityprogram

Solutions:

•Ensurethatallstoragedrivesignalcablesandpowercablesareconnectedcorrectly.

•Ensurethatthecomputerisconfiguredcorrectlytosupportthestoragedrives.

–IfthecomputerisinstalledwithfiveSATAstoragedrives,ensurethattheSATAstoragedrive

enablementmodule(onetofivestoragedrives)isinstalled.

–IfthecomputerisinstalledwithSASstoragedrives,ensurethattheSASstoragedriveenablement

module(onetofivestoragedrives)ortheLSIMegaRAIDSASadapterisinstalled.

"NoOperatingSystemFound"messageorthesystemnotstartingupfromthe
correctstoragedrive

Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingupfromthecorrectstorage
drive

Solutions:

•Ensurethatallstoragedrivesignalcablesandpowercablesareconnectedcorrectly.

42ThinkCentreM900zUserGuide

•EnsurethatthestoragedrivethecomputerstartsupfromislistedasthefirststartupdeviceintheSetup
Utilityprogram.Referto“Changingthestartupdevicesequencepermanently”onpage36

Note:Inrarecases,thestoragedrivewiththeoperatingsystemmightgetcorruptedordamaged.Insuch
cases,youmightneedtoreplacethestoragedrive.

.

Screenproblems

Thissectionprovidessolutionstoscreen-relatedproblems.

Myscreengoesblankwhilethecomputerison

Solutions:

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletforyourcountryorregion.

•Pressakeytoexitthescreensaver.

•Pressthepowerbuttontoresumethecomputerfromsleeporhibernationmode.

•Thebrightnessandcontrastissetcorrectly.

•IfthescreengoesblankwhenIstartsomeapplicationprograms,installthedevicedriversforthe
applicationprograms.Refertothedocumentationfortheaffectedapplicationprogramtocheckwhether
anydevicedriversarerequired.

Theimageappearstobeflickering

Solutions:

•Thescreenmightbeaffectedbyinterferencefromnearbyequipment.Magneticfieldsaroundother
devices,suchastransformers,appliances,fluorescentlights,andothermonitorsmightbecausingthe
problem.Movefluorescentdesklightingoranyequipmentthatproducesmagneticfieldsfartheraway
fromthescreen.Ifthisdoesnotcorrecttheproblem,turnoffthecomputer.Then,adjusttheplacementof
thecomputerandotherdevicessothattheyareatleast305mm(12inches)apart.Turnonthecomputer.

•Resettherefreshratesupportedbythecomputer.

1.Right-clickablankareaonthedesktop.

2.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClickScreenresolution➙Advancedsettings.
–ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings➙

Displayadapterproperties.

3.ClicktheMonitortab,andthenresettherefreshratetobethehighestandnoninterlaced.

Theimageisdiscolored

Solution:Thescreenmightbeaffectedbyinterferencefromnearbyequipment.Movefluorescentdesk
lightingoranyequipmentthatproducesmagneticfieldsfurtherawayfromthescreen.Iftheproblem
persists,dothefollowing:

1.T urnoffthecomputer.

2.Adjusttheplacementofthecomputerandotherdevicessothattheyareatleast305mm(12inches)
apart.

3.T urnonthecomputer.

Networkingproblems

Thissectionprovidessolutionstonetworking-relatedproblems.

Chapter6.Troubleshooting,diagnostics,andrecovery43

EthernetLANproblems

MycomputercannotbeconnectedtoanEthernetLAN

Solutions:

•ConnectthecablefromtheEthernetconnectortotheRJ45connectorofthehub.

•EnabletheEthernetLANfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page33

•EnabletheEthernetLANadapter.

•UpdateorreinstalltheEthernetLANdriver.See“Keepingthecomputercurrent”onpage26.

•Installallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.CheckwithyourLAN
administratorforthenecessarynetworkingsoftware.

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

.Then,followtheinstructionsonthescreen.

1.DependingonyourWindowsversion,dooneofthefollowing:

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

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickNetwork
andSharingCenter➙Changeadaptersettings.

3.Right-clicktheEthernetLANadaptericonandclickEnable.

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”onpage33

.Then,followtheinstructionsonthescreen.

WirelessLANproblem

Note:ThewirelessLANfeatureisoptional.

ThewirelessLANfeaturedoesnotwork

Solutions:

•EnablethewirelessLANfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page33

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

•EnablethewirelessLANadapter.

.Then,followtheinstructionsonthescreen.

44ThinkCentreM900zUserGuide

1.DependingonyourWindowsversion,dooneofthefollowing:

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

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickNetwork
andSharingCenter➙Changeadaptersettings.

3.Right-clickthewirelessLANadaptericonandclickEnable.

•UpdateorreinstallthewirelessLANdriver.See“Keepingthecomputercurrent”onpage26.

Bluetoothproblems

Note:TheBluetoothfeatureisoptional.

TheBluetoothfeaturedoesnotwork

Solutions:

•EnabletheBluetoothfeatureintheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”on
page33.Then,followtheinstructionsonthescreen.

•TurnontheBluetoothradios.

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu.Right-clickComputer,andthen

clickProperties.

–ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.

3.Right-clicktheBluetoothradiosunderBluetoothorBluetoothRadios,andthenclickEnable.

•EnabletheBluetoothadapter.

1.DependingonyourWindowsversion,dooneofthefollowing:

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

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickNetwork
andSharingCenter➙Changeadaptersettings.

3.Right-clicktheBluetoothadaptericonandclickEnable.

•UpdateorreinstalltheBluetoothdriver.See“Keepingthecomputercurrent”onpage26.

SounddoesnotcomefromtheBluetoothheadsetorheadphones

Solution:SettheBluetoothheadsetorheadphonesasthedefaultdevice.

1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).

2.Right-clickthevolumeiconintheWindowsnotificationareaonthetaskbar.

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage16.

3.ClickPlaybackdevices.

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

5.ClickOK.

Performanceproblems

Thissectionprovidessolutionstoperformance-relatedproblemsofthecomputer.

Chapter6.Troubleshooting,diagnostics,andrecovery45

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.

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickPrograms
andFeatures.

3.Dooneofthefollowing:

–ToturnsomeWindowsfeaturesoff,clickTurnWindowsfeaturesonoroff.Followthe

instructionsonthescreen.

–Toremovesomeunnecessaryprograms,selecttheprogramyouwanttoremove,andthenclick

Uninstall/ChangeorUninstall.

Insufficientfreememoryspace

Solutions:

46ThinkCentreM900zUserGuide

•Right-clickablankareaonthetaskbarandopenTaskManager.Then,endsometasksyouarenot
performing.

•Installadditionalmemorymodules.Topurchasememorymodules,goto
http://www.lenovo.com.

Serialconnectorcannotbeaccessed

Solutions:

•Connecttheserialcabletotheserialconnectoronthecomputerandtotheserialdevice.Iftheserial
devicehasitsownpowercord,connectthepowercordtoagroundedelectricaloutlet.

•Turnontheserialdeviceandkeepthedeviceonline.

•Installanyapplicationprogramssuppliedwiththeserialdevice.Refertothedocumentationthatcomes
withtheserialdeviceformoreinformation.

•Ifyouaddedoneserial-connectoradapter,installtheadaptercorrectly.

USBdeviceproblems

ThissectionprovidessolutionstoUSBdevice-relatedproblems.

MyUSBdevicecannotbeaccessed

Solutions:

•ConnecttheUSBcablefromtheUSBconnectortotheUSBdevice.IftheUSBdevicehasitsownpower
cord,connectthepowercordtoagroundedelectricaloutlet.

•TurnontheUSBdeviceandkeepthedeviceonline.

•InstallanydevicedriversorapplicationprogramssuppliedwiththeUSBdevice.Refertothe
documentationthatcomeswiththeUSBdeviceformoreinformation.

•DetachandreconnecttheUSBconnectortoresettheUSBdevice.

IcannotinstalltheWindows7operatingsystemusinganexternalUSBdevice

Solution:Gotohttp://www.lenovo.com/supporttodownloadandinstallUSBdrivers.

Softwareanddriverproblems

Thissectionprovidessolutionstosoftware-anddriver-relatedproblems.

Forsomeprograms,datescannotbesortedincorrectorder

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

Someapplicationprogramsdonotworkasexpected

Solutions:

1.Checkwhethertheproblemiscausedbyanapplicationprogram.
a.Ensurethatthesoftwareiscompatiblewiththecomputer.Refertotheinformationsuppliedwith

thesoftwareformoreinformation.
b.Verifythatothersoftwareworkscorrectlyonthecomputer.
c.Verifythatthesoftwareyouareusingworksonanothercomputer.

2.Iftheproblemiscausedbyanapplicationprogram:

Chapter6.Troubleshooting,diagnostics,andrecovery47

•Refertotheprinteddocumentationthatcomeswiththeprogramorthehelpsystemoftheprogram.

•Updatetheprogram.See“Keepingthecomputercurrent”onpage26.

•Uninstalltheprogramandthenreinstallit.T odownloadaprogramthatispreinstalledonthe
computer,gotohttp://www.lenovo.com/supportandfollowtheinstructionsonthescreen.

Adevicedoesnotworknormallyduetodevicedriverproblems

Solution:Updatethedevicedriver.See“Keepingthecomputercurrent”onpage26.

Diagnostics

Note:IfyouareusingaWindowsoperatingsystemotherthanWindows7orWindows10,goto

http://www.lenovo.com/diagsforthediagnosticsinformationforthecomputer.

Thediagnosticprogramisusedtotesthardwarecomponentsofthecomputer.Thediagnosticprogramalso
canreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofthecomputer.

LenovoSolutionCenter

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

ToopentheLenovoSolutionCenterprogram,see“Accessingaprogramonthecomputer”onpage9.For
moreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.

IfyouareunabletoisolateandrepairtheproblemyourselfafterrunningLenovoSolutionCenter,save
andprintthelogfilescreatedbytheprogram.YoumightneedthelogfileswhenyouspeaktoaLenovo
technicalsupportrepresentative.

Recoveryinformation

Thissectionprovidesinstructionsabouthowtorecoveryouroperatingsystem.

Note:Ifadevicedoesnotworknormallyafterrecoveringtheoperatingsystem,updatethedevicedriver.
See“Keepingthecomputercurrent”onpage26

.

RecoveryinformationforWindows7

TorecoveryourWindows7operatingsystem,usethefollowingsolutions:

•UseWindowsrecoverysolutions.

–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.

1.ClicktheStartbuttontoopentheStartmenu.

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickRecovery
➙OpenSystemRestore.

3.Followtheinstructionsonthescreen.

–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:

–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart

automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.

48ThinkCentreM900zUserGuide

–Turnonorrestartthecomputer.Then,repeatedlypressandreleasetheF8keyuntiltheAdvanced

BootOptionswindowopens.SelectRepairYourComputer,pressEnter,andfollowtheinstructions
onthescreentochoosetheappropriaterecoverysolution.

Note:Forsomekeyboards,youmightneedtopressFn+F8toopentheAdvancedBootOptions
window.

•UsetheRescueandRecoveryprogramtorestorethestoragedrivefromabackup,orrestoretheC
drivetothefactory-defaultsettings.

Notes:

–Dependingonthecomputermodel,theRescueandRecoveryprogrammightnotbepreinstalled.You

needtoinstalleditmanuallyearlier.

–IfyouusetheRescueandRecoveryprogramtorestorethestoragedrivefromabackup,ensurethat

youbackedupyourdataearlierwiththeprogram.

TousetheRescueandRecoveryprogram,dooneofthefollowing:

–OpentheRescueandRecoveryprogram.See“Accessingaprogramonthecomputer”onpage9

moreinformationaboutusingtheprogram,refertothehelpsystemoftheprogram.

–OpentheRescueandRecoveryworkspace.

1.T urnoffthecomputer.PressandholdtheEnterkeyandthenturnonthecomputer.Releasethe
EnterkeywhenStartupInterruptMenuisdisplayed.Then,pressF11toopentheRescueand
Recoveryworkspace.

2.IftheRescueandRecoveryworkspacefailstoopen,usetherescuemediumyoucreatedearlierto
resolvetheproblem.Selecttherescuemediumasthestartupdevice.See“Selectingatemporary
startupdevice”onpage37.Whentherescuemediumstarts,theRescueandRecoveryworkspace
opens.Followtheinstructionsonthescreen.

•UsetherecoverymediumyoucreatedearlierwiththeCreateRecoveryMediaprogramtorestoreonly
theCdriveortheentirestoragedrivetothefactory-defaultsettings.

Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage25

1.Selecttherecoverymediumasthestartupdevice.See“Selectingatemporarystartupdevice”
onpage37.

2.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.

•UsetherecoverydiscsetprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.

–Ifthecomputercomeswiththerecoverydiscset,followtheinstructionsshippedwiththediscset.
–Ifthecomputerdoesnotcomewiththerecoverydiscset,contacttheLenovoCustomerSupport

Centertoorderarecoverydiscset.See“Callingforservice”onpage62

.

.

.For

RecoveryinformationforWindows10

TorecoveryourWindows10operatingsystem,usethefollowingsolutions:

•UseWindowsrecoverysolutions.

–UserecoverysolutionsinWindowsSettings.

1.ClicktheStartbuttontoopentheStartmenu.

2.ClickSettings➙Update&security➙Recovery.

3.Choosetheappropriaterecoverysolutionbyfollowingtheinstructionsonthescreen.

–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.

Chapter6.Troubleshooting,diagnostics,andrecovery49

1.Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusinglargeiconsorsmallicons,andthenclickRecovery
➙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”onpage37

.Then,followtheinstructionsonthescreen

tochoosetheappropriaterecoverysolution.

Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage25.

•UsetherecoveryUSBkeyprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.

–IfthecomputercomeswiththerecoveryUSBkey,followtheinstructionsshippedwiththeUSBkey.
–IfthecomputerdoesnotcomewiththerecoveryUSBkey,contacttheLenovoCustomerSupport

CentertoorderarecoveryUSBkey.See“Callingforservice”onpage62.

50ThinkCentreM900zUserGuide

Chapter7.Installingorreplacinghardware

Thischaptercontainsthefollowingtopics:

•“Handlingstatic-sensitivedevices”onpage51

•“Installingorreplacinghardware”onpage51

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

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforthecomputer.Y oucanexpand
thecapabilitiesofthecomputerandmaintainthecomputerbyinstallingorreplacinghardware.

Attention:Donotopenthecomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii

Notes:

•Someofthehardwarepartsinthissectionareoptional.

•UsecomputerpartsprovidedonlybyLenovo.

•Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.

•Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveCRU.Informationaboutthiswill
comewiththeCRUorwillcomeafewdaysaftertheCRUarrives.

.

Installingexternaloptions

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

©CopyrightLenovo2015,2016

51

Usetheinstructionsshippedwiththeoptiontohelpyoumaketheconnectionandinstallanysoftware
ordevicedriversthatarerequiredfortheoption.

Replacingthecomputerstand

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Toreplacethecomputerstand,refertothefollowingtopics:

•“Replacingthetilt-onlymonitorstand”onpage52

•“ReplacingtheUltraFlexIIStand”onpage53

Replacingthetilt-onlymonitorstand

Toreplacethetilt-onlymonitorstand,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecomputercoverisfacingup.

3.Presstheretaininglatch1onthetilt-onlymonitorstandasshowntodisengagethelatch.Then,remove
thetilt-onlymonitorstandfromthecomputercover.

Figure12.Removingthetilt-onlymonitorstandfromthecomputercover

4.Loosenthescrew1onthebase,andthenremovethetilt-onlymonitorstandfromthebaseasshown.

Figure13.Removingthetilt-onlymonitorstandfromthebase

52ThinkCentreM900zUserGuide

5.Insertthescrew1onthebaseintothecorrespondingholeinthenewtilt-onlymonitorstand.Then,
tightenthescrewtosecurethemonitorstand.

Figure14.Installingthetilt-onlymonitorstandtothebase

6.Insertthetwohooks1onthenewtilt-onlymonitorstandintothecorrespondingholesinthecomputer
coverasshown.Then,pivotthetilt-onlymonitorstanddownwarduntilitsnapsintoposition.

Figure15.Installingthetilt-onlymonitorstandtothecomputercover

ReplacingtheUltraFlexIIStand

ToreplacetheUltraFlexIIStand,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecomputercoverisfacingup.

Chapter7.Installingorreplacinghardware53

3.Presstheretaininglatch1ontheUltraFlexIIStandasshowntodisengagethelatch.Then,remove
theUltraFlexIIStandfromthecomputercover.

Figure16.RemovingtheUltraFlexIIStandfromthecomputercover

4.Insertthetwohooks1onthenewUltraFlexIIStandintothecorrespondingholesinthecomputercover
asshown.Then,pivottheUltraFlexIIStanddownwarduntilitsnapsintoposition.

Figure17.InstallingtheUltraFlexIIStandtothecomputercover

Removingthebackcover

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

CAUTION:

Beforeyouopenthebackcover,turnoffthecomputerandwaitseveralminutesuntilthecomputeris
cool.

Toremovethebackcover,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Unlockanylockingdevicethatsecuresthebackcover.

54ThinkCentreM900zUserGuide

3.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecomputercoverisfacingup.

4.Removethecomputerstand.See“Replacingthecomputerstand”onpage52.

5.Slidethebackcoverasshowntoremoveitfromthechassis.

Figure18.Removingthebackcover

Replacingthememorymoduleshield

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Toreplacethememorymoduleshield,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethebackcover.See“Removingthebackcover”onpage54.

3.Locatethememorymoduleshield.See“Computercomponents”onpage5.

4.Pullthetab1onthememorymoduleshieldasshowntoremoveitfromthechassis.

Figure19.Removingthememorymoduleshield

Chapter7.Installingorreplacinghardware55

5.Insertthestraightedgeofthenewmemorymoduleshieldintotheholeasshown.Then,pivotit
downwarduntilitsnapsintoposition.

Figure20.Installingthememorymoduleshield

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage59.

Replacingamemorymodule

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Note:Ifyouhavetwomemorymodules,ensurethatyouinstallthememorymodulesfirstintothelower
memoryslotandthentheupperone.

Toreplaceamemorymodule,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethebackcover.See“Removingthebackcover”onpage54.

3.Removethememorymoduleshieldtoexposethememorymodule.See“Replacingthememory
moduleshield”onpage55

4.Opentheretainingclipsandgentlypullthememorymoduleoutofthememoryslot.

Figure21.Removingamemorymodule

.

56ThinkCentreM900zUserGuide

5.Insertthenotchedend2ofthenewmemorymoduleintotheslot1.Pressthememorymodulefirmly
andpivotthememorymoduleuntilitsnapsintoposition.Ensurethatthememorymoduleissecured
intheslotanddoesnotmoveeasily.

Figure22.Installingamemorymodule

6.Installthememorymoduleshield.See“Replacingthememorymoduleshield”onpage55.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage59.

Replacingthestoragedrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read

thisfirst:Importantsafetyinformation”onpageiii.

Toreplacethestoragedrive,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallconnecteddevicesandthecomputer.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothe
computer.

2.Removethebackcover.See“Removingthebackcover”onpage54.

3.Locatethestoragedrive.See“Computercomponents”onpage5.

4.Pressthehandle1asshown,andthenpivotthestoragedrivebracketandthestoragedriveasshown
toremovethemfromthechassis.

Figure23.Removingthestoragedrivebracketandthestoragedrive

5.Disconnectthestoragedrivecablefromthestoragedrive.

Chapter7.Installingorreplacinghardware57

6.Flexthesidesofthestoragedrivebrackettoremovethestoragedrivefromthebracket.

Figure24.Removingthestoragedrivefromthebracket

7.Flexthesidesofthestoragedrivebracketandinsertthefourpins1onthebracketintothe
correspondingholesinthenewstoragedrive.

Figure25.Installingthestoragedriveintothebracket

8.Connectthestoragedrivecabletothestoragedrive.

58ThinkCentreM900zUserGuide

9.Insertthetwotabs1onthestoragedrivebracketintothecorrespondingholesinthechassis.Then,
pivotthestoragedrivebracketdownwarduntilitsnapsintoposition.

Figure26.Installingthestoragedrivebracketandthestoragedrive

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage59.

Completingthepartsreplacement

Aftercompletingtheinstallationorreplacementforallparts,reinstallthebackcoverandreconnectcables.
Dependingonthepartsyouinstalledorreplaced,youmightneedtoconfirmtheupdatedinformationinthe
SetupUtilityprogram.Referto“UsingtheSetupUtilityprogram”onpage33.

Toreinstallthebackcoverandreconnectcablestoyourcomputer,dothefollowing:

1.Ensurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsareleft
insideyourcomputer.See“Computercomponents”onpage5forthelocationsofvariouscomponents.

2.Slidethebackcoverasshowntoinstallittothechassis.

Figure27.Installingthebackcover

3.Installthecomputerstand.See“Replacingthecomputerstand”onpage52.

4.Placethecomputerinanuprightposition.

5.Ifalockingdeviceisavailable,useittolockthecomputer.See“Lockingthecomputer”onpage29.

Chapter7.Installingorreplacinghardware59

6.Reconnecttheexternalcablesandpowercordstothecorrespondingconnectorsonthecomputer.
See“Hardwarelocations”onpage1

7.Updateyourconfiguration.See“UsingtheSetupUtilityprogram”onpage33.

8.Ifanewlyinstalledhardwarecomponentdoesnotworknormally,updatethedevicedriver.See
“Keepingthecomputercurrent”onpage26

.

.

60ThinkCentreM900zUserGuide

Chapter8.Gettinginformation,help,andservice

Thischaptercontainsthefollowingtopics:

•“Informationresources”onpage61

•“Helpandservice”onpage62

Informationresources

Youcanusetheinformationinthissectiontoaccessusefulresourcesrelatingtoyourcomputingneeds.

Accessingtheuserguideinvariouslanguages

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

Windowshelpsystem

Note:IfyouusetheonlinehelpforWindows7orthehelpforWindows10,ensurethatthecomputer

isconnectedtotheInternet.

TheWindowshelpsystemprovidesyouwithdetailedinformationaboutusingtheWindowsoperatingsystem.

ToaccesstheWindowshelpsystem,dothefollowing:

1.ClicktheStartbuttontoopentheStartmenu.

2.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClickHelpandSupport.Youcanchoosetousetheonlineorofflinehelpatthe
bottomofthescreen.

•ForWindows10:ClickGetstarted.

Safetyandwarranty

•TheSafetyandWarrantyGuideprovidedwiththecomputercontainsimportantsafetyinformation,
productwarrantyterms,andlegalnotices.

•Theprefaceinthisdocumentcontainsadditionalsafetyinformationthatappliestotopicsandtasks
describedinthisdocument.

Ensurethatyoureadandunderstandallsafetyinformationbeforeusingthecomputer.

LenovoWebsite

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

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

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

•Purchaseupgradesandextendedhardwarerepairservices.

•Accesstroubleshootingandsupportinformationforthecomputermodelandothersupportedproducts.

©CopyrightLenovo2015,2016

61

•FindaServiceProviderlocatednearyou.

LenovoSupportWebsite

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

ThisWebsiteisupdatedwiththelatestsupportinformationsuchasthefollowing:

•Diagnosticsolutions

•Driversandsoftware

•Knowledgebaseandfrequentlyaskedquestions

•Latestelectronicmanuals

•LenovoSupportphonenumbers

•Productandpartsdetails

•Productandservicewarranty

Frequentlyaskedquestions

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

Helpandservice

Thissectionprovidesinformationaboutobtaininghelpandservice.

Callingforservice

Duringthewarrantyperiod,youcangethelpandinformationbytelephonethroughtheCustomerSupport
Center.Forthewarrantyperiodofthecomputer,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,beatthecomputerwhenyoucall.Havethefollowinginformationavailable:

62ThinkCentreM900zUserGuide

•Machinetypeandmodel

•Serialnumbersofyourhardwareproducts

•Descriptionoftheproblem

•Exactwordingofanyerrormessages

•Hardwareandsoftwareconfigurationinformation

Usingotherservices

Youmighttravelwiththecomputerorrelocateittoacountryorregionwherethemachinetypeforyour
desktopornotebookcomputerissold.Insuchasituation,thecomputermightbeeligibleforInternational
WarrantyService,whichautomaticallyentitlesyoutoobtainwarrantyservicethroughoutthewarrantyperiod.
Servicewillbeperformedbyserviceprovidersauthorizedtoperformwarrantyservice.

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

TodeterminewhetherthecomputeriseligibleforInternationalWarrantyServiceandtoviewalistofthe
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,andservice63

64ThinkCentreM900zUserGuide

AppendixA.Regulatoryinformation

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

Exportclassificationnotice

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

Electronicemissionsnotices

ThefollowinginformationreferstoLenovopersonalcomputermachinetypes10F2,10F3,10F4,and10F5.

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-CompliancetoDirectivesforITE(InformationTechnologyEquipment)andRadio
Equipment

©CopyrightLenovo2015,2016

65

Modelswithoutaradiodevice:ThisproductisinconformitywiththeprotectionrequirementsofEUCouncil
Directive2004/108/EC(until19April,2016)andCouncilDirective2014/30/EU(from20April,2016)onthe
approximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility.

Modelswitharadiodevice:Thisproductisinconformitywithalltherequirementsandessentialnormsthat
applytoEUCouncilR&TTEDirective1999/5/EContheapproximationofthelawsoftheMemberStates
relatingtoradioequipment.

Lenovocannotacceptresponsibilityforanyfailuretosatisfytheprotectionrequirementsresultingfrom
anon-recommendedmodificationoftheproduct,includingtheinstallationofoptioncardsfromother
manufacturers.ThisproducthasbeentestedandfoundtocomplywiththelimitsforClassBequipment
accordingtoEuropeanStandardsharmonizedintheDirectivesincompliance.ThelimitsforClassB
equipmentwerederivedfortypicalresidentialenvironmentstoprovidereasonableprotectionagainst
interferencewithlicensedcommunicationdevices.

Lenovo,Einsteinova21,85101Bratislava,Slovakia

GermanClassBcompliancestatement

DeutschsprachigerEUHinweis:

HinweisfürGerätederKlasseBEURichtliniezurElektromagnetischenVerträglichkeit

DiesesProduktentsprichtdenSchutzanforderungenderEURichtlinie2014/30/EU(früher2004/108/EC)zur
AngleichungderRechtsvorschriftenüberdieelektromagnetischeVerträglichkeitindenEU-Mitgliedsstaaten
undhältdieGrenzwertederKlasseBderNormgemäßRichtlinie.

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

Deutschland:

EinhaltungdesGesetzesüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln

DiesesProduktentsprichtdem„GesetzüberdieelektromagnetischeVerträglichkeitvonBetriebsmitteln“
EMVG(früher„GesetzüberdieelektromagnetischeVerträglichkeitvonGeräten“).DiesistdieUmsetzungder
EMVEURichtlinie2014/30/EU(früher2004/108/EWG)inderBundesrepublikDeutschland.

ZulassungsbescheinigunglautdemDeutschenGesetzüberdieelektromagnetischeVerträglichkeit
vonBetriebsmitteln,EMVGvom20.Juli2007(früherGesetzüberdieelektromagnetische
VerträglichkeitvonGeräten),bzw.derEMVEURichtlinie2014/30/EU(früher2004/108/EC),für
GerätederKlasseB.

DiesesGerätistberechtigt,inÜbereinstimmungmitdemDeutschenEMVGdasEG-Konformitätszeichen

-CE-zuführen.VerantwortlichfürdieKonformitätserklärungnachParagraf5desEMVGistdieLenovo

(Deutschland)GmbH,Meitnerstr.9,D-70563Stuttgart.

InformationeninHinsichtEMVGParagraf4Abs.(1)4:

DasGeräterfülltdieSchutzanforderungennachEN55024undEN55022KlasseB.

66ThinkCentreM900zUserGuide

KoreaClassBcompliancestatement

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.

AppendixA.Regulatoryinformation67

Taiwanvisionprecautionnotice

Additionalregulatoryinformation

Foradditionalregulatoryinformation,refertotheRegulatoryNoticeshippedwiththecomputer.Depending
ontheconfigurationofthecomputerandthecountryorregionwherethecomputerwaspurchased,you
mighthavereceivedadditionalprintedregulatorynotices.Allregulatorynoticesareavailableonthe
LenovoSupportWebsiteinelectronicformat.Toaccesselectroniccopiesofthedocumentation,goto
http://www.lenovo.com/UserManuals.

68ThinkCentreM900zUserGuide

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).Appliancesare
labeledinaccordancewithlocalregulationsconcerningwasteelectricalandelectronicequipment(WEEE).
Theseregulationsdeterminetheframeworkforthereturnandrecyclingofusedappliancesasapplicable
withineachgeography.Thislabelisappliedtovariousproductstoindicatethattheproductisnottobe
thrownaway,butratherputintheestablishedcollectionsystemsforreclaimingtheseendoflifeproducts.

Usersofelectricalandelectronicequipment(EEE)withtheWEEEmarkingmustnotdisposeofendoflife
EEEasunsortedmunicipalwaste,butusethecollectionframeworkavailabletothemforthereturn,recycle,
andrecoveryofWEEEandtominimizeanypotentialeffectsofEEEontheenvironmentandhumanhealth
duetothepresenceofhazardoussubstances.Lenovoelectricalandelectronicequipment(EEE)maycontain
partsandcomponents,whichatend-of-lifemightqualifyashazardouswaste.

EEEandwasteelectricalandelectronicequipment(WEEE)canbedeliveredfreeofchargetotheplaceof
saleoranydistributorthatsellselectricalandelectronicequipmentofthesamenatureandfunctionas
theusedEEEorWEEE.

ForadditionalWEEEinformation,goto:
http://www.lenovo.com/recycling

WEEEinformationforHungary

Lenovo,asaproducer,bearsthecostincurredinconnectionwiththefulfillmentofLenovo’sobligations
underHungaryLawNo.197/2014(VIII.1.)subsections(1)-(5)ofsection12.

RecyclinginformationforJapan

CollectingandrecyclingadisusedLenovocomputerormonitor

IfyouareacompanyemployeeandneedtodisposeofaLenovocomputerormonitorthatistheproperty
ofthecompany,youmustdosoinaccordancewiththeLawforPromotionofEffectiveUtilizationof
Resources.Computersandmonitorsarecategorizedasindustrialwasteandshouldbeproperlydisposed
ofbyanindustrialwastedisposalcontractorcertifiedbyalocalgovernment.InaccordancewiththeLaw

©CopyrightLenovo2015,2016

69

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.

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

70ThinkCentreM900zUserGuide

BatteryrecyclinginformationfortheEuropeanUnion

Notice:ThismarkappliesonlytocountrieswithintheEuropeanUnion(EU).

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.

Beforeplacingelectricalandelectronicequipment(EEE)inthewastecollectionstreamorinwastecollection
facilities,theenduserofequipmentcontainingbatteriesand/oraccumulatorsmustremovethosebatteries
andaccumulatorsforseparatecollection.

DisposingoflithiumbatteriesandbatterypacksfromLenovoproducts

Acoin-celltypelithiumbatterymightbeinstalledinsideyourLenovoproduct.Youcanfinddetailsaboutthe
batteryintheproductdocumentation.Ifthebatteryneedstobereplaced,contactyourplaceofpurchaseor
contactLenovoforservice.Ifyouneedtodisposeofalithiumbattery,insulateitwithvinyltape,contact
yourplaceofpurchaseorawaste-disposaloperator,andfollowtheirinstructions.

DisposingofbatterypacksfromLenovoproducts

YourLenovodevicemightcontainalithium-ionbatterypackoranickelmetalhydridebatterypack.Y oucan
finddetailsonthebatterypackintheproductdocumentation.Ifyouneedtodisposeofabatterypack,
insulateitwithvinyltape,contactLenovosales,service,oryourplaceofpurchase,orawaste-disposal
operator,andfollowtheirinstructions.Youalsocanrefertotheinstructionsprovidedinthemanualsfor
yourproduct.

Forpropercollectionandtreatment,goto:
http://www.lenovo.com/lenovo/environment

AppendixB.WEEEandrecyclinginformation71

72ThinkCentreM900zUserGuide

AppendixC.RestrictionofHazardousSubstances(RoHS) Directive

Thelatestenvironmentalinformationisavailableathttp://www.lenovo.com/ecodeclaration.

EuropeanUnionRoHS

ThisLenovoproduct,withincludedparts(cables,cords,andsoon)meetstherequirementsofDirective
2011/65/EUontherestrictionoftheuseofcertainhazardoussubstancesinelectricalandelectronic
equipment(“RoHSrecast”or“RoHS2”).

FormoreinformationaboutLenovoworldwidecomplianceonRoHS,goto:
http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf

TurkishRoHS

TheLenovoproductmeetstherequirementsoftheRepublicofTurkeyDirectiveontheRestrictionoftheUse
ofCertainHazardousSubstancesinWasteElectricalandElectronicEquipment(WEEE).

UkraineRoHS

IndiaRoHS

RoHScompliantasperE-Waste(Management&Handling)Rules.

©CopyrightLenovo2015,2016

73

ChinaRoHS

TaiwanRoHS

74ThinkCentreM900zUserGuide

AppendixD.ChinaEnergyLabel

©CopyrightLenovo2015,2016

75

76ThinkCentreM900zUserGuide

AppendixE.ENERGYSTARmodelinformation

ENERGYSTAR

®

isajointprogramoftheU.S.EnvironmentalProtectionAgencyandtheU.S.Department
ofEnergyaimedatsavingmoneyandprotectingtheenvironmentthroughenergyefficientproductsand
practices.

LenovoisproudtoofferourcustomersproductswithanENERGYSTARcompliantdesignation.Some
modelsofthefollowingmachinetypeshavebeendesignedandtestedtoconformtotheENERGYSTAR
programrequirementforcomputersatthetimeofmanufacture:10F2,10F3,10F4,and10F5.Formore
informationaboutENERGYSTARratingsforLenovocomputers,gotohttp://www.lenovo.com.

ByusingENERGYSTARcompliantproductsandtakingadvantageofthepower-managementfeaturesof
yourcomputer,youreducetheconsumptionofelectricity.Reducedelectricalconsumptioncontributesto
potentialfinancialsavings,acleanerenvironment,andthereductionofgreenhousegasemissions.

FormoreinformationaboutENERGYSTAR,goto:
http://www.energystar.gov

Lenovoencouragesyoutomakeefficientuseofenergyanintegralpartofyourday-to-dayoperations.To
helpinthisendeavor,setthefollowingpower-managementfeaturestotakeeffectwhenyourcomputerhas
beeninactiveforaspecifiedduration:

Table1.ENERGYSTARpower-managementfeatures

Windows7orWindows10operatingsystem

Powerplan:Default

•Turnoffthedisplay:After10minutes

•Putthecomputertosleep:After25minutes

•Advancedpowersettings:

–Turnoffharddiskdrives:After20minutes
–Hibernate:Never

ToawakenyourcomputerfromaSleepmode,pressanykeyonyourkeyboard.

Tochangepowersettings,dothefollowing:

1.OpenControlPanelbydoingoneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickPower
Options.

3.Followtheinstructionsonthescreen.

©CopyrightLenovo2015,2016

77

78ThinkCentreM900zUserGuide

AppendixF .Notices

Lenovomaynotoffertheproducts,services,orfeaturesdiscussedinthisdocumentinallcountries.Consult
yourlocalLenovorepresentativeforinformationontheproductsandservicescurrentlyavailableinyour
area.AnyreferencetoaLenovoproduct,program,orserviceisnotintendedtostateorimplythatonlythat
Lenovoproduct,program,orservicemaybeused.Anyfunctionallyequivalentproduct,program,orservice
thatdoesnotinfringeanyLenovointellectualpropertyrightmaybeusedinstead.However,itistheuser's
responsibilitytoevaluateandverifytheoperationofanyotherproduct,program,orservice.

Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatterdescribedinthis
document.Thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents.Youcansend
licenseinquiries,inwriting,to:

Lenovo(UnitedStates),Inc.
1009ThinkPlace-BuildingOne
Morrisville,NC27560
U.S.A.
Attention:LenovoDirectorofLicensing

LENOVOPROVIDESTHISPUBLICATION“ASIS”WITHOUTWARRANTYOFANYKIND,EITHEREXPRESS
ORIMPLIED,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON-INFRINGEMENT,
MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Somejurisdictionsdonotallow
disclaimerofexpressorimpliedwarrantiesincertaintransactions,therefore,thisstatementmaynotapply
toyou.

Thisinformationcouldincludetechnicalinaccuraciesortypographicalerrors.Changesareperiodically
madetotheinformationherein;thesechangeswillbeincorporatedinneweditionsofthepublication.
Lenovomaymakeimprovementsand/orchangesintheproduct(s)and/ortheprogram(s)describedinthis
publicationatanytimewithoutnotice.

Theproductsdescribedinthisdocumentarenotintendedforuseinimplantationorotherlifesupport
applicationswheremalfunctionmayresultininjuryordeathtopersons.Theinformationcontainedinthis
documentdoesnotaffectorchangeLenovoproductspecificationsorwarranties.Nothinginthisdocument
shalloperateasanexpressorimpliedlicenseorindemnityundertheintellectualpropertyrightsofLenovo
orthirdparties.Allinformationcontainedinthisdocumentwasobtainedinspecificenvironmentsandis
presentedasanillustration.Theresultobtainedinotheroperatingenvironmentsmayvary.

Lenovomayuseordistributeanyoftheinformationyousupplyinanywayitbelievesappropriatewithout
incurringanyobligationtoyou.

Anyreferencesinthispublicationtonon-LenovoWebsitesareprovidedforconvenienceonlyanddonotin
anymannerserveasanendorsementofthoseWebsites.ThematerialsatthoseWebsitesarenotpartof
thematerialsforthisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.

Anyperformancedatacontainedhereinwasdeterminedinacontrolledenvironment.Therefore,theresult
obtainedinotheroperatingenvironmentsmayvarysignificantly.Somemeasurementsmayhavebeen
madeondevelopment-levelsystemsandthereisnoguaranteethatthesemeasurementswillbethesame
ongenerallyavailablesystems.Furthermore,somemeasurementsmayhavebeenestimatedthrough
extrapolation.Actualresultsmayvary.Usersofthisdocumentshouldverifytheapplicabledatafortheir
specificenvironment.

©CopyrightLenovo2015,2016

79

Trademarks

ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountries,orboth:

Lenovo
TheLenovologo
ThinkCentre
TheThinkCentrelogo
RescueandRecovery
ThinkVantage

Microsoft,Windows,andWindowsMediaaretrademarksoftheMicrosoftgroupofcompanies.

IntelisatrademarkofIntelCorporationoritssubsidiariesintheU.S.and/orothercountries.

DisplayPortisatrademarkoftheVideoElectronicsStandardsAssociation.

Othercompany,product,orservicenamesmaybetrademarksorservicemarksofothers.

80ThinkCentreM900zUserGuide