Lenovo ThinkCentre E73 User Guide [en, br, uk]

ThinkCentreE73
UserGuide

MachineTypes:10AU,10AW,10BF,10BG,10DU,and10DT

Note:Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandthe

“Importantsafetyinformation”onpagev

andAppendixA“Notices”onpage127.

FifthEdition(July2015)

©CopyrightLenovo2013,2015.

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

Contents

Importantsafetyinformation......v

Serviceandupgrades.............v

Staticelectricityprevention...........v

Powercordsandpoweradapters........vi

Extensioncordsandrelateddevices.......vi

Plugsandoutlets..............vii

Externaldevices..............vii

Heatandproductventilation.........vii

Operatingenvironment...........viii

Lasercompliancestatement.........viii

Powersupplystatement............ix

Cleaningandmaintenance...........ix

Chapter1.Productoverview......1

Features..................1

Specifications................5

Lenovoprograms..............5

Accessingaprogramonyourcomputer....5

AnintroductiontoLenovoprograms.....6

Locations..................8

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer........9

Locatingconnectorsontherearofyour

computer...............10

Locatingcomponents..........12

Locatingpartsonthesystemboard....13

Locatinginternaldrives.........14

Machinetypeandmodellabel.......15

Chapter2.Usingyourcomputer...17

Frequentlyaskedquestions.........17

NavigatingamongscreensontheWindows8and

Windows8.1operatingsystems........17

NavigatingonWindows8........17

NavigatingonWindows8.1........19

AccessingControlPanelontheWindows8or

Windows8.1operatingsystem........20

UsingWindowsshortcutkeys.........20

Usingthewheelmouse...........21

Settingthecomputervolume.........21

AddinganicontotheWindowsnotificationarea.21

UsingCDsandDVDs............22

HandlingandstoringCDandDVDmedia..22

PlayingaCDorDVD..........23

RecordingaCDorDVD.........23

Chapter3.Y ouandyourcomputer..25

Accessibilityandcomfort..........25

Arrangingyourworkspace........25

Comfort...............25

Glareandlighting............26

Aircirculation.............26

Electricaloutletsandcablelengths.....26

Accessibilityinformation.........26

Registeringyourcomputer..........29

Movingyourcomputertoanothercountryor

region..................29

Chapter4.Security..........31

Securityfeatures..............31

Lockingthecomputercover.........32

AttachingaKensington-stylecablelock.....33

Preventingunauthorizedaccesstoyour

computer.................33

Usingfingerprintauthentication........34

Usingandunderstandingfirewalls.......34

Protectingdataagainstviruses........34

Chapter5.Installingorreplacing

hardware...............35

Handlingstatic-sensitivedevices.......35

Installingorreplacinghardware........35

Installingexternaloptions........35

Removingthecomputercover.......35

Removingandreinstallingthefrontbezel..36

Accessingthesystemboardcomponentsand

drives................37

InstallingorreplacingaPCIExpresscard..39

Installingorreplacingamemorymodule...41

Replacingthebattery..........42

Replacingtheharddiskdrive.......43

Replacingtheopticaldrive........45

Replacingthesolid-statedrive......49

Replacingthepowersupplyassembly...54

Replacingtheheatsinkandfanassembly..58

Replacingthemicroprocessor.......61

Replacingthesystemfanassembly....64

ReplacingthefrontaudioandUSB

assembly...............65

ReplacingtheWiFiunits.........66

InstallingorremovingtherearWiFiantenna.71

InstallingorremovingthefrontWiFiantenna.73

Replacingthekeyboardormouse.....75

Completingthepartsreplacement.....76

Chapter6.Recoveryinformation...79

©CopyrightLenovo2013,2015

i

RecoveryinformationfortheWindows7operating

system..................79

Creatingandusingrecoverymedia.....79

Performingbackupandrecoveryoperations.80
UsingtheRescueandRecoveryworkspace.81

Creatingandusingarescuemedium....82

Reinstallingpreinstalledapplicationsand

devicedrivers.............83

Reinstallingsoftwareprograms......84

Reinstallingdevicedrivers........84

Solvingrecoveryproblems........84

RecoveryinformationfortheWindows8or

Windows8.1operatingsystem........85

Refreshingyourcomputer........85

Resettingyourcomputertothefactorydefault

settings................85

Usingtheadvancedstartupoptions....85

RecoveringyouroperatingsystemifWindows

8orWindows8.1failstostart.......86

RecoveryinformationfortheWindows10operating

system..................86

Chapter7.UsingtheSetupUtility

program................89

StartingtheSetupUtilityprogram.......89

Viewingandchangingsettings........89

UsingBIOSpasswords...........89

Passwordconsiderations.........90

Power-OnPassword..........90

AdministratorPassword.........90

HardDiskPassword...........90

Setting,changing,anddeletingapassword.90
Erasinglostorforgottenpasswords(clearing

CMOS)................91

Enablingordisablingadevice........91

Selectingastartupdevice..........91

Selectingatemporarystartupdevice....92

Selectingorchangingthestartupdevice

sequence...............92

EnablingErPLPScompliancemode......92

ExitingtheSetupUtilityprogram.......93

Chapter8.Updatingsystem

programs...............95

Usingsystemprograms...........95

UpdatingtheBIOS.............95

RecoveringfromaPOST/BIOSupdatefailure..95

Cleaningandmaintenance..........98

Basics................98

Cleaningyourcomputer.........98

Goodmaintenancepractices.......99

Movingyourcomputer...........100

Chapter10.T roubleshootingand

diagnostics.............103

Basictroubleshooting............103

Troubleshootingprocedure..........104

Troubleshooting..............105

Audioproblems............105

CDproblems.............106

DVDproblems.............107

Intermittentproblems..........109

Keyboard,mouse,orpointingdevice

problems...............109

Monitorproblems............111

Networkingproblems..........113

Optionproblems............115

Performanceandlockupproblems.....116

Printerproblems............118

Serialconnectorproblems........118

Softwareproblems...........118

USBproblems.............120

Diagnosticprograms............120

LenovoSolutionCenter.........120

LenovoThinkVantageToolbox.......121

PC-DoctorforDOS...........121

Chapter11.Gettinginformation,help,

andservice.............123

Informationresources............123

Windowshelpsystem..........123

SafetyandWarranty...........123

LenovoWebsite............123

LenovoSupportWebsite.........124

Helpandservice..............124

Usingthedocumentationanddiagnostic

programs...............124

Callingforservice............124

Usingotherservices..........125

Purchasingadditionalservices......125

AppendixA.Notices.........127

Trademarks................128

Chapter9.Preventingproblems...97

Keepingyourcomputercurrent........97

Gettingthelatestdevicedriversforyour

computer...............97

Gettingthelatestsystemupdates.....97

iiThinkCentreE73UserGuide

AppendixB.Regulatory

information.............129

Exportclassificationnotice..........129

Televisionoutputnotice...........129

Electronicemissionsnotices.........129

FederalCommunicationsCommission

DeclarationofConformity........129

Eurasiancompliancemark..........131

Brazilaudionotice.............131

Mexicowireless-radiocomplianceinformation..131

Additionalregulatoryinformation.......132

AppendixD.RestrictionofHazardous

SubstancesDirective(RoHS)....137

EuropeanUnionRoHS...........137

ChinaRoHS................137

TurkishRoHS...............137

UkraineRoHS...............138

IndiaRoHS................138

AppendixC.WEEEandrecycling

information.............133

ImportantWEEEinformation.........133

RecyclinginformationforJapan........133

RecyclinginformationforBrazil........134

BatteryrecyclinginformationforT aiwan.....134

BatteryrecyclinginformationfortheEuropean

Union..................134

AppendixE.ChinaEnergyLabel..139

AppendixF.ENERGYSTARmodel

information.............141

Index.................143

©CopyrightLenovo2013,2015

iii

ivThinkCentreE73UserGuide

Importantsafetyinformation

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

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

®

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

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror
yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare
referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer
ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor
customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor
replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea
productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore
informationonCRUs,refertoChapter5“Installingorreplacinghardware”onpage35
questionsorconcerns,contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafety.

CAUTION:

.Ifyouhaveany

Hazardousmovingparts.Keepfingersandotherbodypartsaway.

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption

©CopyrightLenovo2013,2015

v

orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.

WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

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

•Preventothersfromtouchingcomponents.

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

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

•Donotplacethepartonthecomputercoverorothermetalsurface.

Powercordsandpoweradapters

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.Donotusetheac
powercordforotherdevices.

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

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordinwaysthat
cancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

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

Ensurethatallpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.

Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshowssignsofoverheating(such
asdeformedplastic)attheacinputoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor
overheatingorwherethepowercordappearstohavebeendamagedinanyway.

2

,orbetter.For

Extensioncordsandrelateddevices

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

viThinkCentreE73UserGuide

Plugsandoutlets

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobedamaged
orcorroded,donotusetheoutletuntilitisreplacedbyaqualifiedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtainareplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamountsof
electricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.

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)and1394
cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoidpossible
damagetoattacheddevices,waitatleastfivesecondsafterthecomputerisshutdowntodisconnect
externaldevices.

Heatandproductventilation

Computers,poweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhenbatteries
arecharging.Alwaysfollowthesebasicprecautions:

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

•Donotchargethebatteryoroperateyourcomputer,poweradapter,oraccessoriesnearflammable
materialsorinexplosiveenvironments.

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

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

©CopyrightLenovo2013,2015

vii

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions
withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor
computersindustyorhigh-trafficareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airflowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairfiltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

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

Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

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

Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon
orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Lasercompliancestatement

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

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.

viiiThinkCentreE73UserGuide

Powersupplystatement

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

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

Cleaningandmaintenance

Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthendisconnectthepower
cordbeforecleaningthecomputer.Donotsprayanyliquiddetergentdirectlyonthecomputeroruse
anydetergentcontainingflammablematerialtocleanthecomputer.Spraythedetergentonasoftcloth
andthenwipethecomputersurfaces.

©CopyrightLenovo2013,2015

ix

xThinkCentreE73UserGuide

Chapter1.Productoverview

Thischapterprovidesinformationaboutthecomputerfeatures,specifications,softwareprogramsprovided
byLenovo,andlocationsofconnectors,components,partsonthesystemboard,andinternaldrives.

Features

Thissectionintroducesthecomputerfeatures.Theinformationcoversavarietyofmodels.

Toviewtheinformationaboutyourspecificmodel,dooneofthefollowing:

•OntheMicrosoft
toviewtheinformation.

•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.

•OntheMicrosoftWindows10operatingsystem,clicktheStartbuttontoopentheStartmenu.Then,click

Settings➙System➙Abouttoviewtheinformation.

Microprocessor

Toviewthemicroprocessorinformationofyourcomputer,dothefollowing:

•OntheMicrosoftWindows7operationsystem,clickStart,right-clickComputer,andselectProperties
toviewtheinformation.

•OntheMicrosoftWindows8orWindows8.1operatingsystem,gotothedesktopandmoveyourpointer
tothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.ThenclickSettings➙PC
infotoviewtheinformation.

•OntheMicrosoftWindows10operatingsystem,clicktheStartbuttontoopentheStartmenu.Then,click
Settings➙System➙Abouttoviewtheinformation.

®

Windows

®

7operationsystem,clickStart,right-clickComputer,andselectProperties

Memory

Yourcomputersupportsuptotwodoubledatarate3unbuffereddualinlinememorymodules(DDR3
UDIMMs).

Internaldrives

•Opticaldrive:DVD-ROMorDVD-R(availableinsomemodels)

•Hybriddrive(availableinsomemodels)

•SerialAdvancedTechnologyAttachment(SATA)harddiskdrive

•SATAsolid-statedrive(availableinsomemodels)

Videosubsystem

•IntegratedgraphicsforaVideoGraphicsArray(VGA)connectorandaDisplayPort®connector

•PeripheralComponentInterconnect(PCI)Expressx16graphicscardslotonthesystemboardfora
discretegraphicscard

Audiosubsystem

•Integratedhigh-definition(HD)audio

©CopyrightLenovo2013,2015

1

•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel

•Microphoneconnectorandheadphoneconnectoronthefrontpanel

•Internalspeaker(installedinsomemodels)

Connectivity

•PCIExpressFaxmodem(somemodels)

Systemmanagementfeatures

•Abilitytostorepower-onself-test(POST)hardwaretestresults

•DesktopManagementInterface(DMI)
DesktopManagementInterfaceprovidesacommonpathforuserstoaccessinformationaboutall

aspectsofacomputer,includingprocessortype,installationdate,attachedprintersandotherperipherals,
powersources,andmaintenancehistory.

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

consumptionofelectricitywhenyourcomputerisinsleeporoffmode.Formoreinformation,see
“EnablingErPLPScompliancemode”onpage92

.

•PrebootExecutionEnvironment(PXE)
ThePrebootExecutionEnvironmentisanenvironmenttostartcomputersusinganetworkinterface

independentofdatastoragedevices(suchastheharddiskdrive)orinstalledoperatingsystems.

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

applicationtostoreandretrieveinformationspecificaboutthecomputerinquestion.

•WakeonLAN
WakeonLANisanEthernetcomputernetworkingstandardthatallowsacomputertobeturnedon

orwokenupbyanetworkmessage.Themessageisusuallysentbyaprogramrunningonanother
computeronthesamelocalareanetwork.

•WakeonRing
WakeonRing,sometimesreferredtoasWakeonModem,isaspecificationthatallowssupported

computersanddevicestoresumefromsleeporhibernationmode.

•WindowsManagementInstrumentation(WMI)
WindowsManagementInstrumentationisasetofextensionstotheWindowsDriverModel.Itprovidesan

operatingsysteminterfacethroughwhichinstrumentedcomponentsprovideinformationandnotification.

2ThinkCentreE73UserGuide

Input/Output(I/O)features

•OneDisplayPortconnector

•OneEthernetconnector

•One9-pinserialconnector(optional)

•OneVGAmonitorconnector

•SixUniversalSerialBus(USB)connectors

–TwoUSB2.0connectorsonthefrontpanel
–TwoUSB2.0connectorsontherearpanel
–TwoUSB3.0connectorsontherearpanel

•Threeaudioconnectorsontherearpanel(audioline-inconnector,audioline-outconnector,and
microphoneconnector)

•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)

Formoreinformation,see“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”on
page9

and“Locatingconnectorsontherearofyourcomputer”onpage10.

Expansion

•Oneopticaldrivebay

•OnePCIExpressx16graphicscardslot

•Onesecondarysolid-statedrivebay(optional)

•Oneslimcardreaderdrivebay

•Twoharddiskdrivebays(onestandardandoneoptional)

•TwoPCIExpressx1cardslots

Powersupply

Yourcomputercomeswithoneofthefollowingpowersupplies:

•180-wattautomaticvoltage-sensingpowersupply

•240-wattautomaticvoltage-sensingpowersupply

Securityfeatures

•ComputraceAgentsoftwareembeddedinfirmware

•Abilitytoenableordisableadevice

•AbilitytoenableanddisableUSBconnectorsindividually

•Power-onpassword(POP),administratorpassword,andharddiskdrivepasswordtodeterunauthorized
useofyourcomputer

•Startupsequencecontrol

•Startupwithoutkeyboardormouse

•SupportforaKensington-stylecablelock

•Supportforapadlock

Formoreinformation,seeChapter4“Security”onpage31

.

Preinstalledsoftwareprograms

Chapter1.Productoverview3

Yourcomputerispreinstalledwithsoftwareprogramstohelpyouworkmoreeasilyandsecurely.Formore
information,see“Lenovoprograms”onpage5

.

Preinstalledoperatingsystem

Yourcomputerispreinstalledwithoneofthefollowingoperatingsystems:

•MicrosoftWindows7operatingsystem

•MicrosoftWindows8operatingsystem

•MicrosoftWindows8.1operatingsystem

•MicrosoftWindows10operatingsystem

Operatingsystem(s),certifiedortestedforcompatibility

•Linux

®

1

(variesbymodeltype)

1.Theoperatingsystem(s)listedherearebeingcertifiedortestedforcompatibilityatthetimethispublicationgoesto
press.AdditionaloperatingsystemsmightbeidentifiedbyLenovoascompatiblewithyourcomputerfollowingthe
publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertifiedor
testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.

4ThinkCentreE73UserGuide

Specifications

Thissectionliststhephysicalspecificationsforyourcomputer.

Dimensions

Width:97mm(3.8inches)
Height:333mm(13.1inches)
Depth:368mm(14.5inches)

Weight

Maximumconfigurationasshipped:6kg(13.2lb)(withoutpackage)
Maximumconfigurationasshipped:8.5kg(18.7lb)(withpackage)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)
Storageinoriginalshippingpackage:-40°Cto60°C(-40°Fto140°F)
Storagewithoutpackage:-10°Cto60°C(14°Fto140°F)

•Humidity:

Operating:20%to80%(non-condensing)
Storage:20%to90%(non-condensing)

•Altitude:

Operating:-50to10000ft(-15.2to3048m)
Storage:-50to35000ft(-15.2to10668m)

Electricalinput

•Inputvoltage:

–Lowrange:

Minimum:100Vac
Maximum:127Vac
Inputfrequencyrange:50/60Hz
Voltage-selectionswitchsetting:115Vac

–Highrange:

Minimum:200Vac
Maximum:240Vac
Inputfrequencyrange:50/60Hz
Voltage-selectionswitchsetting:230Vac

Lenovoprograms

YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingon
theWindowsoperatingsystempreinstalled,theprogramsmightvary.

Accessingaprogramonyourcomputer

Note:ForWindows7,someoftheLenovoprogramsmightbereadytobeinstalled,soyouneedtoinstall

themmanually.Then,youcanaccessandusetheseprograms.Toinstallaprogramthatisreadytobe
installed,opentheLenovoThinkVantage

®

Toolsprogram,andthenviewtheprogramiconsusingTiles.

Chapter1.Productoverview5

Followtheinstructionsundergreyed-outiconstolocatetheiconforthedesiredprogram.Double-click
theicontoinstalltheprogram.

Toaccessaprogramonyourcomputer,dooneofthefollowing:

•ForWindows7orWindows10:

–FromWindowsSearch:

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthentypetheprogram

nameintothesearchbox.

–ForWindows10:TypetheprogramnameintothesearchboxnexttotheStartbutton.

2.Inthesearchresults,clickthenameofthedesiredprogramtolaunchtheprogram.

–FromtheStartmenuorControlPanel:

1.ClicktheStartbuttontoopentheStartmenu.Then,clickthenameofthedesiredprogramto
launchtheprogram.

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

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

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

clickControlPanel.

b.ViewControlPanelusingLargeiconsorSmallicons,andthenclickthenameofthedesired

programtolaunchtheprogram.

•ForWindows8orWindows8.1:

1.PresstheWindowskeytogototheStartscreen.Clickthenameofthedesiredprogramto
launchtheprogram.

2.Ifyoucannotfindtheprogramyouneed,dependingonyourWindowsversion,dooneofthefollowing:

–ForWindows8:Movethepointertothebottom-rightcornerofthescreentodisplaythecharms.

ThenclicktheSearchcharmtosearchforthedesiredprogram.

–ForWindows8.1:Clickthearrowiconinthebottom-leftcornerofthescreentogotothe

Appsscreen.Findthedesiredprogramintheappslistorsearchforitinthesearchboxinthe
top-rightcornerofthescreen.

AnintroductiontoLenovoprograms

ThissectionprovidesinformationaboutthemajorLenovoprogramsavailableonyouroperatingsystem.

Note:Dependingonyourcomputermodel,someofthefollowingprogramsmightnotbeavailable.

•ForWindows7only:

–CreateRecoveryMedia

TheCreateRecoveryMediaprogramenablesyoutorestoreonlytheCdriveortheentirestorage
drivetothefactory-defaultsettings.

–LenovoPowerENGAGE

TheLenovoPowerENGAGEprogramenablesyoutoregisteryourcomputerwithLenovo.

6ThinkCentreE73UserGuide

–MessageCenterPlus

TheMessageCenterPlusprogramautomaticallydisplaysmessagesinformingyouaboutimportant
noticesfromLenovo,suchasalertsonsystemupdatesandalertsonconditionsthatrequireyour
attention.

–RescueandRecovery

®

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

•ForWindows10only:

–LenovoID

TheLenovoIDprogramenablesyoutocreateyourLenovoIDandaccessallsupportedLenovo
programsandwebportalswithsinglesign-on.

•ForWindows8andWindows8.1:

–LenovoSupport

TheLenovoSupportprogramenablesyoutoregisteryourcomputerwithLenovo,checkthecomputer
healthconditionandbatterystatus,downloadandviewusermanualsforyourcomputer,getthe
warrantyinformationofyourcomputer,andexplorehelpandsupportinformation.

•ForWindows7,Windows8,andWindows8.1:

–FingerprintManagerProorThinkVantageFingerprintSoftware

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

–PasswordManager

ThePasswordManagerprogramautomaticallycapturesandfillsinauthenticationinformationfor
WindowsprogramsandWebsites.

•ForWindows7,Windows8.1,andWindows10:

–LenovoBluetoothLock

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

–PCCloudManager

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

•ForWindows8,Windows8.1,andWindows10:

Chapter1.Productoverview7

–LenovoCompanion

Yourcomputer’sbestfeaturesandcapabilitiesshouldbeeasytoaccessandunderstand.WithLenovo
Companion,theyare.UseLenovoCompaniontodothefollowing:

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

andblogsfromtrustedsources.

LenovoCompanionisfilledwithexclusiveLenovocontenttohelpyoulearnmoreaboutwhatyou
candowithyourcomputer.

•ForWindows7,Windows8,Windows8.1,andWindows10:

–LenovoDeviceExperienceorLenovoPCExperience

TheLenovoDeviceExperienceorLenovoPCExperienceprogramhelpsyouworkmoreeasilyand
securely.TheprogramprovideseasyaccesstoLenovoThinkVantageToolsorLenovoT ools,important
settingsandinformationaboutyourcomputer,theLenovoSupportWebsite,andsoon.

–LenovoSolutionCenter

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

–PowerManager

ThePowerManagerprogramprovidesconvenient,flexible,andcompletepowermanagementfor
yourcomputer.Itenablesyoutoadjustyourcomputerpowersettingstoachievethebestbalance
betweenperformanceandpowersaving.

–REACHitorLenovoReach

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

–SHAREitorLenovoSHAREit

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

–SystemUpdate

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

Locations

Thissectionprovidesinformationtohelpyoulocatetheconnectorsonthefrontandrearofyourcomputer,
partsonthesystemboard,andcomponentsandinternaldrivesinyourcomputer.

8ThinkCentreE73UserGuide

Locatingconnectors,controls,andindicatorsonthefrontofyour computer

Figure1“Frontconnector,control,andindicatorlocations”onpage9showsthelocationsoftheconnectors,
controls,andindicatorsonthefrontofyourcomputer.

Figure1.Frontconnector,control,andindicatorlocations

1Opticaldriveeject/closebutton

3Harddiskdriveactivityindicator4Powerindicator

5USB2.0connector

7Headphoneconnector

2Powerbutton

6Microphoneconnector

8USB2.0connector

Chapter1.Productoverview9

Locatingconnectorsontherearofyourcomputer

3

4

5 6

3

4

5

6

Figure2“Rearconnectorlocations”onpage10showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1Powercordconnector2DisplayPortconnector

3VGAmonitorconnector4USB3.0connectors

5USB2.0connectors

6Microphoneconnector

7Audioline-outconnector8Audioline-inconnector

9PCIExpressx16graphicscardslot10PCIExpressx1cardslots(2)

11Ethernetconnector

12Security-lockslot

13Padlockloop

Note:Ifyourcomputerisinstalledwithagraphicscard,ensurethatyouusethemonitorconnectorson
thegraphicscard.

ConnectorDescription

Audioline-inconnector

Audioline-outconnector

Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.

Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchaspowered
stereospeakers(speakerswithbuilt-inamplifiers),headphones,multimedia
keyboards,ortheaudioline-inconnectoronastereosystemorotherexternal
recordingdevice.

10ThinkCentreE73UserGuide

ConnectorDescription

DisplayPortconnector

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices
thatuseaDisplayPortconnector.

Ethernetconnector

UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:T ooperatethecomputerwithinFederalCommunicationsCommission(FCC)
ClassBlimits,useaCategory5eorbetterEthernetcable.

Microphoneconnector

Usedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif
youusespeech-recognitionsoftware.

USB2.0connectorUsedtoattachadevicethatrequiresaUSB2.0connection,suchasakeyboard,a

mouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).

USB3.0connectorUsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasa

keyboard,amouse,ascanner,aprinter,orapersonaldigitalassistant(PDA).A
USB3.0connectorprovideshightransmissionspeedstoreducethetimethatis
requiredfordatatransmission.

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

Chapter1.Productoverview11

Locatingcomponents

Figure3“Componentlocations”onpage12showsthelocationsofthevariouscomponentsinyour
computer.Toremovethecomputercover,see“Removingthecomputercover”onpage35.

Figure3.Componentlocations

1Heatsinkandfanassembly

3Memorymodules(2)4Opticaldrive

5FrontaudioandUSBassembly

7Systemfanassembly

9Harddiskdrive

11Heatsinkfanduct

2Powersupplyassembly

6Frontbezel

8Thermalsensor

10PCIExpresscard(installedinsomemodels)

12ThinkCentreE73UserGuide

Locatingpartsonthesystemboard

Figure4“Systemboardpartlocations”onpage13showsthelocationsofthepartsonthesystemboard.

Figure4.Systemboardpartlocations

14-pinpowerconnector2Microprocessor

3Microprocessorfanconnector

5Memoryslot2(DIMM2)

7Powerfanconnector

4Memoryslot1(DIMM1)

6Thermalsensorconnector

8Harddiskdrive/Opticaldrivepowerconnectors(numberand

locationvarybymodel)

914-pinpowerconnector

11SATA3.0connectors

13SATA2.0connector14Frontpanelconnector(forconnectingLEDindicatorsand

10BIOSROM

12Powersupplyfanconnector

thepowerbutton)

15FrontUSBconnector1(forconnectingUSB

ports1and2onthefrontbezel)

17ClearCMOS(ComplementaryMetalOxide

16FrontUSBconnector2(forconnectinganadditionalUSB

device)

18Serial(COM2)connector

Semiconductor)/Recoveryjumper

19Frontaudioconnector20Internalspeakerconnector

21PCIExpressx1cardslots(2)22PCIExpressx16graphicscardslot

23Systemfanconnector

24Battery

Chapter1.Productoverview13

Locatinginternaldrives

Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Y oucanadddrivestoyour
computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Internal
drivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.

Wheninstallingorreplacinganinternaldrive,itisimportanttonotethetypeandsizeofthedrivethatyou
caninstallorreplaceineachbayandcorrectlyconnectthecablestothedriveinstalled.Refertothe
appropriatesectionin“Installingorreplacinghardware”onpage35
replaceinternaldrivesforyourcomputer.

Figure5“Drivebaylocations”onpage14showsthelocationsofthedrivebays.

forinstructionsonhowtoinstallor

Figure5.Drivebaylocations

1Secondaryharddiskdrivebay(withaSATAsolid-statedriveorahybriddriveinstalledinsomemodels)

2Opticaldrivebay(withanopticaldriveinstalledinsomemodels)

3Slimcardreaderdrivebay(withaslimcardreaderinstalledinsomemodels)

4Harddiskdrivebay(witha2.5-inchor3.5-inchSATAharddiskdriveinstalled)

14ThinkCentreE73UserGuide

Machinetypeandmodellabel

Machine Type: XXXX
Model Number: XXX

Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.

Thefollowingisasampleofthemachinetypeandmodellabel.

Figure6.Machinetypeandmodellabel

Chapter1.Productoverview15

16ThinkCentreE73UserGuide

Chapter2.Usingyourcomputer

Thischapterprovidesinformationonusingsomeofthecomputercomponents.

Frequentlyaskedquestions

Thefollowingareafewtipsthatwillhelpyouoptimizetheuseofyourcomputer.

CanIgetmyuserguideinanotherlanguage?

TheuserguideisavailableinvariouslanguagesontheLenovoSupportWebsiteat:
http://www.lenovo.com/UserManuals

WhereismyrecoverydiscsetorrecoveryUSBkey?

DependingonyourWindowsversion,yourcomputercomeswitharecoverydiscsetorrecovery
USBkey.Ifyourcomputerdoesnotcomewithit,contacttheLenovoCustomerSupportCenterto
orderarecoverydiscsetorrecoveryUSBkey.ForalistofLenovoSupportphonenumbers,goto
http://www.lenovo.com/support/phone.Ifyoucannotfindthesupporttelephonenumberforyourcountry
orregion,contactyourLenovoreseller.

WherecanIfindhelpabouttheWindowsoperatingsystem?

See“Windowshelpsystem”onpage123.

CanIchangetheWindows8.1startupbehaviortoopeneitherthedesktoportheStartscreen?

OntheWindows8.1operatingsystem,youcansetthecomputertoopeneitherthedesktoportheStart
screenbydefault.Tosetthedefaultstartupscreen,dothefollowing:

1.Onthedesktop,moveyourpointertothetaskbaratthebottomofthescreenandright-clickonthe
taskbar.

2.ClickProperties.TheTaskbarandNavigationpropertieswindowisdisplayed.

3.OntheNavigationtab,locatetheStartscreensection,andthendooneofthefollowing:

•Tosetthedesktopasyourdefaultstartupscreen,selectWhenIsigninorcloseallappsona

screen,gotothedesktopinsteadofStartsoacheckisvisible.

•TosettheStartscreenasyourdefaultstartupscreen,removethecheckfromtheWhenIsigninor

closeallappsonthescreen,gotodesktopinsteadofStartcheckbox.

4.ClickOKtosavethenewsetting.

ThisfeatureisnotavailableontheWindows8operatingsystem.

NavigatingamongscreensontheWindows8andWindows8.1operating systems

Thissectionprovidesinstructionsonhowtonavigateamongthedesktop,theStartscreen,andapplications
thatwereopenedfromtheStartscreenontheWindows8andWindows8.1operatingsystems.Fordetailed
instructions,see“NavigatingonWindows8”onpage17

or“NavigatingonWindows8.1”onpage19.

NavigatingonWindows8

Tonavigateamongthedesktop,theStartscreen,andapplicationsthatwereopenedfromtheStartscreen
ontheWindows8operatingsystem,dooneofthefollowing:

©CopyrightLenovo2013,2015

17

•FromtheStartscreen,dooneofthefollowingtonavigatetothemostrecentlyaccessedworkspace
(application,PCsettings,ordesktop):

–Usingapointingdevice:Movethepointertotheextremebottom-leftcornerofthescreenuntilasmall

representationoftheworkspaceisdisplayed;thenclicktherepresentation.

–Usingatouchscreen:Swipeinandoutontheleftedgeofthescreen.Representationsofallavailable

workspacesaredisplayedalongtheleftedgeofthescreen.T aptherepresentationoftheworkspaceat
thebottom.

Note:Therepresentationofaworkspaceisdisplayedonlyifyouhaveatleastoneactiveworkspacein
thebackgroundofthesystem.

•FromthedesktoporanyotherworkspacethatisopenedfromtheStartscreen,dooneofthefollowingto
navigatetotheStartscreen:

–Usingapointingdevice:Movethepointertotheextremebottom-leftcornerofthescreenuntilasmall

representationoftheStartscreenisdisplayed;thenclicktherepresentation.

–Usingatouchscreen:Dooneofthefollowing:

–Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspacesare

displayedalongtheleftedgeofthescreen.TaptherepresentationoftheStartscreenatthebottom.

–Swipeinfromtherightedgeofthescreentodisplaythecharms;thentapStart.

•Fromanyworkspace(Startscreen,desktop,PCsettings,orapplicationopenedfromtheStartscreen),
useanyofthefollowingprocedurestogotoanotherworkspacethatyouhavepreviouslyopened:

–Tonavigatetoapreviouslyaccessedworkspace(application,PCsettings,ordesktop),dooneofthe

following:

–Usingapointingdevice:

1.Dooneofthefollowing:

•Movethepointertotheextremetop-leftcornerofthescreenandthenmovethepointer
downwardalongtheleftedgeofthescreen.

•Movethepointertotheextremebottom-leftcornerofthescreenandthenmovethepointer
upwardalongtheleftedgeofthescreen.

Representationsofallavailableworkspacesaredisplayedalongtheleftedgeofthescreen.

Note:OnlyactiveworkspacesthatyouhaveaccessedduringthecurrentWindowssession
aredisplayedalongtheleftedge.Ifyoucloseanactiveworkspace,itsrepresentationdoes
notdisplayalongtheleftedgeofthescreen.

2.Clicktherepresentation.

–Usingatouchscreen:

•Method1

1.Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspaces
aredisplayedalongtheleftedgeofthescreen.

2.T apthedesiredworkspace.

•Method2

1.Swipeinfromtheleftedgeofthescreentonavigatetothenextavailableworkspace.

2.Repeatstep1untilyounavigatetothedesiredworkspace.

–Tonavigatetothemostrecentlyaccessedworkspace(application,PCsettings,ordesktop),doone

ofthefollowing:

–Usingapointingdevice:Movethepointertotheextremetop-leftcornerofthescreenuntilasmall

representationoftheworkspaceisdisplayed;thenclicktherepresentation.

18ThinkCentreE73UserGuide

–Usingatouchscreen:Swipeinfromtheleftedgeofthescreen.

ForinformationaboutusingotherfeaturesoftheWindows8operatingsystem,refertotheWindowshelp
system.Formoreinformation,see“Windowshelpsystem”onpage123.

NavigatingonWindows8.1

Tonavigateamongthedesktop,theStartscreen,andapplicationsthatwereopenedfromtheStartscreen
ontheWindows8.1operatingsystem,dooneofthefollowing:

•FromtheStartscreen,dooneofthefollowingtonavigatetothemostrecentlyaccessedworkspace
(application,setting,ordesktop):

–Usingapointingdevice:Movethepointertotheextremebottom-leftcornerofthescreenuntilthe

Windowsscreen-controlicon

–Usingatouchscreen:Swipeinandoutontheleftedgeofthescreen.Representationsofallavailable

workspacesaredisplayedalongtheleftedgeofthescreen.TaptheWindowsscreen-controlicon

atthebottom.

Note:TheWindowsscreen-controliconisdisplayedonlyifyouhaveatleastoneactiveworkspace
inthebackgroundofthesystem.

•FromthedesktoporanyotherworkspacethatisopenedfromtheStartscreen,dooneofthefollowingto
navigatetotheStartscreen:

–Usingapointingdevice:

isdisplayed;thenclicktheicon.

–Fromthedesktop,clicktheWindowsscreen-controlicon
–Fromanyotherworkspace,movethepointertotheextremebottom-leftcornerofthescreenuntil

theWindowsscreen-controlicon

–Usingatouchscreen:Dooneofthefollowing:

–Fromthedesktop,taptheWindowsscreen-controliconinthebottom-leftcornerofthescreen.
–Fromanyotherworkspace,dooneofthefollowing:

•Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspaces
aredisplayedalongtheleftedgeofthescreen.TaptheWindowsscreen-controlicon

thebottom.

•Swipeinfromtherightedgeofthescreentodisplaythecharms;thentapStart.

•Fromanyworkspace(Startscreen,desktop,PCsettings,orapplicationopenedfromtheStartscreen),
useanyofthefollowingprocedurestogotoanotherworkspacethatyouhavepreviouslyopened:

–Tonavigatetoapreviouslyaccessedworkspace(application,setting,ordesktop),dooneofthe

following:

–Usingapointingdevice:

1.Dooneofthefollowing:

•Movethepointertotheextremetop-leftcornerofthescreenandthenmovethepointer
downwardalongtheleftedgeofthescreen.

•Movethepointertotheextremebottom-leftcornerofthescreenandthenmovethepointer
upwardalongtheleftedgeofthescreen.

isdisplayed;thenclicktheicon.

inthebottom-leftcornerofthescreen.

at

Representationsofallavailableworkspacesaredisplayedalongtheleftedgeofthescreen.

Chapter2.Usingyourcomputer19

Note:OnlyactiveworkspacesthatyouhaveaccessedduringthecurrentWindowssession
aredisplayedalongtheleftedge.Ifyoucloseanactiveworkspace,itsrepresentationdoes
notdisplayalongtheleftedgeofthescreen.

2.Clicktherepresentation.

–Usingatouchscreen:

•Method1

1.Swipeinandoutontheleftedgeofthescreen.Representationsofallavailableworkspaces
aredisplayedalongtheleftedgeofthescreen.

2.T apthedesiredworkspace.

•Method2

1.Swipeinfromtheleftedgeofthescreentonavigatetothenextavailableworkspace.

2.Repeatstep1untilyounavigatetothedesiredworkspace.

–Tonavigatetothemostrecentlyaccessedworkspace(application,PCsettings,ordesktop),doone

ofthefollowing:

–Usingapointingdevice:Movethepointertotheextremetop-leftcornerofthescreenuntilthe

Windowsscreen-controlicon

–Usingatouchscreen:Swipeinfromtheleftedgeofthescreen.

ForinformationaboutusingotherfeaturesoftheWindows8.1operatingsystem,opentheHelp+Tips
applicationfromtheStartscreenorAppsscreen,orrefertotheWindowshelpsystem.Formoreinformation,
see“Windowshelpsystem”onpage123.

isdisplayed;thenclicktheicon.

AccessingControlPanelontheWindows8orWindows8.1operating system

OntheWindowsoperatingsystem,youcanviewandchangecomputersettingsthroughControlPanel.To
accessControlPanelontheWindows8orWindows8.1operatingsystem,dooneofthefollowing:

•Fromthedesktop

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSettings.

3.ClickControlPanel.

•FromtheStartscreen

–ForWindows8:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.

2.ClickSearch.

3.OntheAppsscreen,scrolltotherightside,andclickControlPanelintheWindowsSystem
section.

–ForWindows8.1:

1.Clickthearrowiconinthebottom-leftcornerofthescreentogototheAppsscreen.

2.Scrolltotherightside,andclickControlPanelintheWindowsSystemsection.

UsingWindowsshortcutkeys

Boththestandardkeyboardandthefingerprintreaderkeyboardprovidethreekeysyoucanusewithyour
MicrosoftWindowsoperatingsystem.

20ThinkCentreE73UserGuide

•ThetwoWindowslogokeysarelocatedbesidetheAltkeyoneithersideofthespacebar.Theyfeature
theWindowslogo.OntheWindows7orWindows10operatingsystem,presstheWindowskeyto
opentheStartmenu.OntheWindows8orWindows8.1operatingsystem,presstheWindowskey

toswitchbetweenthecurrentworkspaceandtheStartscreen.ThestyleoftheWindowslogovaries
dependingonthekeyboardtype.

•Thecontext-menukeyislocatednexttotheCtrlkeyontherightsideoftheSpacebar.Pressingthe
context-menukeyopensthecontextmenufortheactiveprogram,icon,orobject.

Note:YoucanusethemouseortheUpandDownarrowkeystohighlightmenuselections.OntheWindows
7operatingsystem,youcanclosetheStartmenuorthecontextmenubyclickingthemouseorpressingEsc.

Usingthewheelmouse

Thewheelmousehasthefollowingcontrols:

1PrimarymousebuttonUsethisbuttontoselectorstartaprogramormenuitem.

2Wheel

3Secondarymousebutton

Youcanswitchthefunctionoftheprimaryandsecondarymousebuttonsandchangeotherdefaultbehavior
throughthemousepropertiesfunctionintheWindowsControlPanel.

Usethewheeltocontrolthescrollingactionofthemouse.Thedirectioninwhichyou
rotatethewheelcontrolsthedirectionofthescrollingaction.

Usethisbuttontodisplayamenufortheactiveprogram,icon,orobject.

Settingthecomputervolume

Tosetthecomputervolume,dothefollowing:

1.ClickthevolumeiconintheWindowsnotificationareaonthetaskbar.

Note:IfthevolumeiconisnotdisplayedintheWindowsnotificationarea,addtheicontothe
notificationarea.See“AddinganicontotheWindowsnotificationarea”onpage21.

2.Followtheinstructionsonthescreentoadjustthevolume.Clickthespeakericontomutetheaudio.

AddinganicontotheWindowsnotificationarea

ToaddanicontotheWindowsnotificationarea,dothefollowing:

1.Clickthearrownexttothenotificationareatoviewhiddenicons.Then,clickthedesirediconand
dragittothenotificationarea.

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

Chapter2.Usingyourcomputer21

•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.
ViewControlPanelusingLargeiconsorSmallicons,andthenclickNotificationAreaIcons➙
Turnsystemiconsonoroff.

•ForWindows8orWindows8.1:OpenControlPanel.ViewControlPanelusingLargeiconsor
Smallicons,andthenclickNotificationAreaIcons➙T urnsystemiconsonoroff.

Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,
see“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage20

•ForWindows10:ClicktheStartbuttontoopentheStartmenu.Then,clickSettings➙System
➙Notifications&actions➙Turnsystemiconsonoroff.

b.Turnonthedesiredicon.

3.IftheiconisstillnotdisplayedintheWindowsnotificationarea,repeatstep1.

UsingCDsandDVDs

YourcomputermighthaveaDVDROMdriveorrecordableDVDdriveinstalled.DVDdrivesuse
industry-standard,12cm(4.75-inch)CDmediaorDVDmedia.IfyourcomputercomeswithaDVDdrive,
thedrivecanreadDVD-ROMdiscs,DVD-Rdiscs,DVD-RAMdiscs,DVD-RWdiscs,andalltypesofCDs,
suchasCD-ROMdiscs,CD-RWdiscs,CD-Rdiscs,andaudioCDs.IfyouhavearecordableDVDdrive,
itcanalsorecordonDVD-Rdiscs,DVD-RWdiscs,typeIIDVD-RAMdiscs,CD-RWstandardandhigh
speeddiscs,andCD-Rdiscs.

FollowtheseguidelineswhenusingtheDVDdrive:

.

•Donotplacethecomputerinalocationwherethedriveisexposedtothefollowing:

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

•DonotinsertanyobjectotherthanaCDorDVDintothedrive.

•Beforemovingthecomputer,removetheCDorDVDfromthedrive.

HandlingandstoringCDandDVDmedia

CDandDVDmediaaredurableandreliable,buttheydorequiresomecareandspecialhandling.When
handlingandstoringaCDorDVD,followtheseguidelines:

•Holdthediscbyitsedges.Donottouchthesurfaceofthesidethatisnotlabeled.

•Toremovedustorfingerprints,wipethediscwithaclean,softclothfromthecentertotheoutside.Wiping
thediscinacirculardirectionmightcauselossofdata.

•Donotwriteorstickpaperonthedisc.

•Donotscratchormarkthedisc.

•Donotplaceorstorethediscindirectsunlight.

•Donotusebenzene,thinners,orothercleanerstocleanthedisc.

•Donotdroporbendthedisc.

•Donotinsertdamageddiscsintothedrive.Warped,scratched,ordirtydiscscandamagethedrive.

22ThinkCentreE73UserGuide

PlayingaCDorDVD

IfyourcomputercomeswithaDVDdrive,youcanlistentoaudioCDsorwatchDVDmovies.T oplaya
CDorDVD,dothefollowing:

1.PresstheEject/LoadbuttonontheDVDdrivetoopenthetray.

2.Withthetrayfullyextended,inserttheCDorDVDintothetray.SomeDVDdriveshaveasnaphubin
thecenterofthetray.Ifyourdrivehasasnaphub,supportthetraywithonehandandthenpushthe
centeroftheCDorDVDuntilitsnapsintoplace.

3.PresstheEject/Loadbuttonagainorgentlypushthetrayforwardtoclosethetray.TheCDorDVD
playerprogramstartsautomatically.Foradditionalinformation,refertotheCDorDVDplayerprogram
helpsystem.

ToremoveaCDorDVDfromtheDVDdrive,dothefollowing:

1.Withthecomputeron,presstheEject/Loadbutton.Whenthetrayslidesoutautomatically,carefully
removethedisc.

2.ClosethetraybypressingtheEject/Loadbuttonorbygentlypushingthetrayforward.

Note:IfthetraydoesnotslideoutofthedrivewhenyoupresstheEject/Loadbutton,insertastraightened
paperclipintotheemergency-ejectholeonthefrontoftheDVDdrive.Makesurethatthedriveispowered
offwhenusingtheemergencyeject.UsetheEject/Loadbuttoninsteadoftheemergencyejectexcept
inanemergency.

RecordingaCDorDVD

Ifyouropticaldrivesupportsrecording,youcanrecordaCDorDVD.

TorecordaCDorDVD,dothefollowing:

1.Insertarecordablediscintotheopticaldrivethatsupportsrecording.

2.OpenthePowerDVDCreate,PowerProducer,orPower2Goprogram.See“Accessingaprogramon
yourcomputer”onpage5.

3.Followtheinstructionsonthescreen.

Chapter2.Usingyourcomputer23

24ThinkCentreE73UserGuide

Chapter3.Youandyourcomputer

Thischapterprovidesinformationaboutaccessibility,comfort,andrelocatingyourcomputertoother
countriesorregions.

Accessibilityandcomfort

Goodergonomicpracticeisimportanttogetthemostfromyourpersonalcomputerandtoavoiddiscomfort.
Arrangeyourworkplaceandtheequipmentyouusetosuityourindividualneedsandthekindofwork
thatyouperform.Inaddition,usehealthyworkhabitstomaximizeyourperformanceandcomfortwhile
usingyourcomputer.

Thefollowingtopicsprovideinformationaboutarrangingyourworkarea,settingupyourcomputer
equipment,andestablishinghealthyworkhabits.

Arrangingyourworkspace

Togetthemostfromyourcomputer,arrangeboththeequipmentyouuseandyourworkareatosuityour
needsandthekindofworkyoudo.Yourcomfortisofforemostimportance,butlightsources,aircirculation,
andthelocationofelectricaloutletscanalsoaffectthewayyouarrangeyourworkspace.

Comfort

Althoughnosingleworkingpositionisidealforeveryone,hereareafewguidelinestohelpyoufinda
positionthatsuitsyoubest.

Sittinginthesamepositionforalongtimecancausefatigue.Thebackrestandseatofyourchairshould
adjustindependentlyandprovidegoodsupport.Theseatshouldhaveacurvedfronttorelievepressureon
thethighs.Adjusttheseatsothatyourthighsareparalleltothefloorandyourfeetareeitherflatonthe
floororonafootrest.

Whenusingthekeyboard,keepyourforearmsparalleltothefloorandyourwristsinacomfortableposition.
Usealighttouchonthekeyboardandyourhandsandfingersrelaxed.Changetheangleofthekeyboard
formaximumcomfortbyadjustingthepositionofthekeyboardfeet.

Adjustthemonitorsothetopofthescreenisat,orslightlybelow,eyelevel.Placethemonitorata
comfortableviewingdistance,usually51to61cm(20to24inches),andpositionitsoyoucanviewit
withouthavingtotwistyourbody.Also,positionotherequipmentyouuseregularly,suchasthetelephoneor
amouse,withineasyreach.

©CopyrightLenovo2013,2015

25

Glareandlighting

Positionthemonitortominimizeglareandreflectionsfromoverheadlights,windows,andotherlightsources.
Reflectedlightfromshinysurfacescancauseannoyingreflectionsonyourmonitorscreen.Placethe
monitoratrightanglestowindowsandotherlightsources,whenpossible.Reduceoverheadlighting,if
necessary,byturningofflightsorusinglowerwattagebulbs.Ifyouinstallthemonitornearawindow,use
curtainsorblindstoblockthesunlight.Y oucanadjustthebrightnessandcontrastcontrolsonthemonitor
astheroomlightingchangesthroughouttheday.

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

Dustbuildupcompoundsproblemsassociatedwithglare.Remembertocleanyourmonitorscreen
periodicallyusingasoftclothasdirectedinyourmonitordocumentation.

Aircirculation

Yourcomputerandmonitorproduceheat.Thecomputerhasafanthatpullsinfreshairandforcesouthot
air.Themonitorletshotairescapethroughvents.Blockingtheairventscancauseoverheating,whichmight
resultinamalfunctionordamage.Placethecomputerandmonitorsothatnothingblockstheairvents;
usually,51mm(2inches)ofairspaceissufficient.Also,makesurethattheventedairisnotblowing
onpeople.

Electricaloutletsandcablelengths

Thelocationofelectricaloutlets,thelengthofpowercordsandcablesthatconnecttothemonitor,printer,
andotherdevicesmightdeterminethefinalplacementofyourcomputer.

Whenarrangingyourworkspace:

•Avoidtheuseofextensioncords.Whenpossible,plugthecomputerpowercorddirectlyintoanelectrical
outlet.

•Keeppowercordsandcablesneatlyroutedawayfromwalkwaysandotherareaswheretheymight
getkickedaccidentally.

Formoreinformationaboutpowercords,see“Powercordsandpoweradapters”onpagevi

.

Accessibilityinformation

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

Keyboardshortcuts

Thefollowingtablecontainskeyboardshortcutsthatcanhelpmakeyourcomputereasiertouse.

Note:Dependingonyourkeyboard,someofthefollowingkeyboardshortcutsmightnotbeavailable.

KeyboardshortcutFunction

Windowslogokey+U

RightShiftforeightseconds

26ThinkCentreE73UserGuide

OpenEaseofAccessCenter

TurnonorturnoffFilterKeys

KeyboardshortcutFunction

ShiftfivetimesTurnonorturnoffStickyKeys

NumLockforfivesecondsTurnonorturnoffToggleKeys

LeftAlt+LeftShift+NumLock

LeftAlt+LeftShift+PrtScn(orPrtSc)TurnonorturnoffHighContrast

TurnonorturnoffMouseKeys

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

EaseofAccessCenter

EaseofAccessCenterontheWindowsoperatingsystemenablesuserstoconfiguretheircomputersto
suittheirphysicalandcognitiveneeds.

TouseEaseofAccessCenter,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.View
ControlPanelusingLargeiconsorSmallicons,andthenclickEaseofAccessCenter.

•ForWindows8orWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthescreen
todisplaythecharms.Then,clickSettings➙ChangePCsettings➙EaseofAccess.

•ForWindows10:ClicktheStartbuttontoopentheStartmenu.Then,clickSettings➙Easeof
Access.

2.Choosetheappropriatetoolbyfollowingtheinstructionsonthescreen.

EaseofAccessCentermainlyincludesthefollowingtools:

•Magnifier
Magnifierisausefulutilitythatenlargestheentirescreenorpartofthescreensothatyoucansee

theitemsbetter.

•Narrator
Narratorisascreenreaderthatreadsaloudwhatisdisplayedonthescreenanddescribeseventssuchas

errormessages.

•On-ScreenKeyboard
Ifyouprefertotypeorenterdataintoyourcomputerusingamouse,joystick,orotherpointingdevice

insteadofaphysicalkeyboard,youcanuseOn-ScreenKeyboard.On-ScreenKeyboarddisplaysavisual
keyboardwithallthestandardkeys.

•HighContrast
HighContrastisafeaturethatheightensthecolorcontrastofsometextandimagesonyourscreen.Asa

result,thoseitemsaremoredistinctandeasiertoidentify.

•Personalizedkeyboard
Adjustkeyboardsettingstomakeyourkeyboardeasiertouse.Forexample,youcanuseyourkeyboard

tocontrolthepointerandtypecertainkeycombinationseasier.

•Personalizedmouse
Adjustmousesettingstomakeyourmouseeasiertouse.Forexample,youcanchangethepointer

appearanceandmakeiteasiertomanagewindowswiththemouse.

SpeechRecognition

SpeechRecognitionenablesyoutocontrolyourcomputerbyvoice.

Chapter3.Youandyourcomputer27

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

TouseSpeechRecognition,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel.

•ForWindows8orWindows8.1:OpenControlPanel.See“AccessingControlPanelontheWindows
8orWindows8.1operatingsystem”onpage20.

•ForWindows10:Right-clicktheStartbuttontoopentheStartcontextmenu,andthenclickControl
Panel.

2.ViewControlPanelusingLargeiconsorSmallicons,andthenclickSpeechRecognition.

3.Followtheinstructionsonthescreen.

Screen-readertechnologies

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

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

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

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

Screenresolution

Youcanmakethetextandimagesonyourscreeneasiertoreadbyadjustingthescreenresolutionofyour
computer.

Toadjustthescreenresolution,dothefollowing:

1.Right-clickablankareaonthedesktop.

2.DependingonyourWindowsversion,dooneofthefollowing:

•ForWindows7,Windows8,orWindows8.1:ClickScreenresolution.

•ForWindows10:ClickDisplaysettings.OntheDisplaytab,clickAdvanceddisplaysettings.

3.Followtheinstructionsonthescreen.

Note:Settingtheresolutiontoolowmightpreventsomeitemsfromfittingonthescreen.

Customizableitemsize

Youcanmaketheitemsonyourscreeneasiertoreadbychangingtheitemsize.

•Tochangetheitemsizetemporarily,usetheMagnifiertoolinEaseofAccessCenter.See“Easeof
AccessCenter”onpage27

.

•Tochangetheitemsizepermanently,dothefollowing:

–Changethesizeofalltheitemsonyourscreen.

1.Right-clickablankareaonthedesktop.

2.DependingonyourWindowsversion,dooneofthefollowing:

28ThinkCentreE73UserGuide

–ForWindows7,Windows8,orWindows8.1:ClickScreenresolution➙Maketextandother

itemslargerorsmaller.

–ForWindows10:ClickDisplaysettings.

3.Changetheitemsizebyfollowingtheinstructionsonthescreen.

4.ClickApply.Thischangewilltakeeffectthenexttimeyoulogintotheoperatingsystem.

–ChangethesizeoftheitemsonaWebpage.

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

–Changethesizeoftheitemsonthedesktoporawindow.

Note:Thisfunctionmightnotworkonsomewindows.
Ifyourmousehasawheel,pressandholdCtrl,andthenscrollthewheeltochangetheitemsize.

Industry-standardconnectors

Yourcomputerprovidesindustry-standardconnectorsthatenableyoutoconnectassistivedevices.

Formoreinformationaboutthelocationandfunctionoftheconnectors,see“Locations”onpage8.

TTY/TDDconversionmodem

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

Documentationinaccessibleformats

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

Registeringyourcomputer

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

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

Movingyourcomputertoanothercountryorregion

Whenyoumoveyourcomputertoanothercountryorregion,youmusttakelocalelectricalstandards
intoconsideration.

Ifyourelocateyourcomputertoacountryorregionthatusesanelectricaloutletstyledifferentfromthe
typeyouarecurrentlyusing,youwillhavetopurchaseeitherelectricalplugadaptersornewpowercords.
YoucanorderpowercordsdirectlyfromLenovo.

Forpowercordinformationandpartnumbers,goto:
http://www.lenovo.com/powercordnotice

Chapter3.Youandyourcomputer29

30ThinkCentreE73UserGuide

Chapter4.Security

Thischapterprovidesinformationabouthowtoprotectyourcomputerfromtheftandunauthorizeduse.

Securityfeatures

Thefollowingsecurityfeaturesareavailableonyourcomputer:

•ComputraceAgentsoftwareembeddedinfirmware
TheComputraceAgentsoftwareisanITassetmanagementandcomputertheftrecoverysolution.

Thesoftwaredetectsifchangeshavebeenmadeonthecomputer,suchashardware,software,or
thecomputercall-inlocation.

Note:YoumighthavetopurchaseasubscriptiontoactivatetheComputraceAgentsoftware.

•AbilitytoenableanddisabledevicesandUSBconnectors
Formoreinformation,see“Enablingordisablingadevice”onpage91

•Startupsequencecontrol
Formoreinformation,see“Selectingorchangingthestartupdevicesequence”onpage92

•Startupwithoutkeyboardormouse
Yourcomputerisabletologintotheoperatingsystemwithoutkeyboardormouseconnected.

.

.

©CopyrightLenovo2013,2015

31

Lockingthecomputercover

3
4

5
6

Lockingthecomputercoverhelpspreventunauthorizedpeoplefromgainingaccesstotheinsideofyour
computer.Y ourcomputercomeswithapadlockloopsothatthecomputercovercannotberemoved
whenapadlockisinstalled.

Figure7.Installingapadlock

32ThinkCentreE73UserGuide

AttachingaKensington-stylecablelock

3

4

5

6

YoucanuseaKensington-stylecablelocktosecureyourcomputertoadesk,table,orothernon-permanent
fixture.Thecablelockattachestothesecurity-lockslotattherearofyourcomputerandisoperatedwitha
keyorcombinationdependingonthetypeselected.Thecablelockalsolocksthebuttonsusedtoopenthe
computercover.Thisisthesametypeoflockusedwithmanynotebookcomputers.Y oucanordersucha
cablelockdirectlyfromLenovobysearchingforKensingtonat:
http://www.lenovo.com/support

Figure8.Kensington-stylecablelock

Preventingunauthorizedaccesstoyourcomputer

YoucanuseBIOSpasswordsandWindowsaccountstopreventunauthorizedaccesstoyourcomputerand
data.

•TouseBIOSpasswords,see“UsingBIOSpasswords”onpage89

•TouseWindowsaccounts,dothefollowing:

1.DependingonyourWindowsversion,dooneofthefollowing:

–ForWindows7:ClicktheStartbuttontoopentheStartmenu,andthenclickControlPanel➙

UserAccounts.

–ForWindows8orWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthe

screentodisplaythecharms.Then,clickSettings➙ChangePCsettings➙Accounts.

–ForWindows10:ClicktheStartbuttontoopentheStartmenu,andthenclickSettings➙

Accounts.

2.Followtheinstructionsonthescreen.

.

Chapter4.Security33

Usingfingerprintauthentication

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

Tousefingerprintauthentication,dooneofthefollowing:

•ForWindows7,Windows8,orWindows8.1:UsetheFingerprintManagerProorThinkVantageFingerprint
SoftwareprogramprovidedbyLenovo.Toopentheprogram,see“Accessingaprogramonyour
computer”onpage5.Formoreinformationaboutusingtheprogram,refertothehelpsystemofthe
program.

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

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

Usingandunderstandingfirewalls

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

TheWindowsoperatingsystempreinstalledonyourcomputerprovidestheWindowsFirewall.Fordetailson
usingtheWindowsFirewall,referto“Windowshelpsystem”onpage123

.

Protectingdataagainstviruses

Yourcomputerispreinstalledwithanantivirusprogramtohelpyouguardagainst,detect,andeliminate
viruses.

Lenovoprovidesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After
30days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.

Note:Virusdefinitionfilesmustbekeptup-to-datetoguardagainstnewviruses.

Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.

34ThinkCentreE73UserGuide

Chapter5.Installingorreplacinghardware

Thischapterprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.

Handlingstatic-sensitivedevices

Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved
fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can
seriouslydamagecomputercomponentsandparts.

Whenyouhandlepartsandothercomputercomponents,taketheseprecautionstoavoidstatic-electricity
damage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlepartsandothercomputercomponentscarefully.HandlePCIExpresscards,memory
modules,systemboards,andmicroprocessorsbytheedges.Nevertouchanyexposedcircuitry.

•Preventothersfromtouchingthepartsandothercomputercomponents.

•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingtheparttoametal
expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This
reducesstaticelectricityfromthepackageandyourbody.

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

•Donotplacethepartonthecomputercoverorothermetalsurface.

Installingorreplacinghardware

Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Y oucanexpand
thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe
“Importantsafetyinformation”onpagev.

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Locatingconnectors,controls,andindicatorsonthefrontofyour
computer”onpage9
requiredconnector.Then,usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnection
andinstallanysoftwareordevicedriversthatarerequiredfortheoption.

and“Locatingconnectorsontherearofyourcomputer”onpage10toidentifythe

Removingthecomputercover

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

©CopyrightLenovo2013,2015

35

Thissectionprovidesinstructionsonhowtoremovethecomputercover.

3

4

5

6

CAUTION:

Beforeyouopenthecomputercover,turnoffthecomputerandwaitseveralminutesuntilthe
computeriscool.

Toremovethecomputercover,dothefollowing:

1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.

2.Disconnectallpowercordsfromelectricaloutlets.

3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe
computer.See“Locatingconnectors,controls,andindicatorsonthefrontofyourcomputer”onpage9
and“Locatingconnectorsontherearofyourcomputer”onpage10.

4.Removeanylockingdevicethatsecuresthecomputercover,suchasapadlockoraKensington-style
cablelock.See“Lockingthecomputercover”onpage32

and“AttachingaKensington-stylecable

lock”onpage33.

5.Removethetwoscrewsthatsecurethecomputercoverandslidethecomputercovertotherearto
removeit.

Figure9.Removingthecomputercover

Removingandreinstallingthefrontbezel

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev

Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.

Toremoveandreinstallthefrontbezel,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

36ThinkCentreE73UserGuide

.

3.Removethefrontbezelbyreleasingthethreeplastictabsonthetopofthefrontbezelandpivoting
thefrontbezeloutwardtoremoveitfromthecomputer.Carefullylaythefrontbezelasidewithout
disconnectingthepowerswitchandlight-emittingdiode(LED)assemblycable.

Figure10.Removingthefrontbezel

4.T oreinstallthefrontbezel,aligntheotherthreeplastictabsonthebottomofthefrontbezelwiththe
correspondingholesinthechassis,thenpivotthefrontbezelinwarduntilitsnapsintoposition.

Figure11.Reinstallingthefrontbezel

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76

Accessingthesystemboardcomponentsanddrives

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Chapter5.Installingorreplacinghardware37

.

Thissectionprovidesinstructionsonhowtoaccessthesystemboardcomponentsanddrives.

3

4

5

6

Toaccessthesystemboardcomponentsanddrives,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Pivotthedrivebayassemblyupwardtoaccessalltheinternaldrives,cables,andothercomponents.

Figure12.Pivotingthedrivebayassemblyupward

5.T olowerthedrivebayassembly,pressthedrivebayassemblyclip1inwardandpivotthedrivebay
assemblydownwardasshown.

Figure13.Loweringthedrivebayassembly

38ThinkCentreE73UserGuide

InstallingorreplacingaPCIExpresscard

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

ThissectionprovidesinstructionsonhowtoinstallorreplaceaPCIExpresscard.Yourcomputerhastwo
PCIExpressx1cardslotsandonePCIExpressx16graphicscardslot.

ToinstallorreplaceaPCIExpresscard,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.DependingonwhetheryouareinstallingorreplacingaPCIExpresscard,dooneofthefollowing:

•IfyouareinstallingaPCIExpresscard,removethescrewthatsecurestheappropriatemetalslot
cover.Then,removethemetalslotcover.

Chapter5.Installingorreplacinghardware39

•IfyouarereplacinganoldPCIExpresscard,removethescrewthatsecurestheoldPCIExpress

3

4

5

6

card,grasptheoldcardthatiscurrentlyinstalled,andgentlypullitoutoftheslot.

Figure14.RemovingaPCIExpresscard

Notes:

a.Thecardfitstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecardasmall

amountuntilitisremovedfromthecardslot.

b.Ifthecardisheldinplacebyaretaininglatch,pressthecardretaininglatch1asshownto

disengagethelatch.Graspthecardandgentlypullitoutoftheslot.

4.RemovethenewPCIExpresscardfromitsstatic-protectivepackage.

5.InstallthenewPCIExpresscardintotheappropriateslotonthesystemboard.See“Locatingpartson
thesystemboard”onpage13.

Note:IfyouareinstallingaPCIExpressx16graphicscard,makesurethatthememoryslotretaining
clipsareclosedbeforeyouinstallthegraphicscard.

6.InstallthescrewtosecurethenewPCIExpresscardinplace.

40ThinkCentreE73UserGuide

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Installingorreplacingamemorymodule

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.

YourcomputerhastwoslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof8
GBsystemmemory.Wheninstallingorreplacingamemorymodule,use1GB,2GB,or4GBDDR3
UDIMMsinanycombinationuptoamaximumof8GB.

Toinstallorreplaceamemorymodule,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Pivotthedrivebayassemblyupwardtogainaccesstothememoryslots.See“Accessingthesystem
boardcomponentsanddrives”onpage37.

5.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage58.

6.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage13.

7.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputer
model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory
slots.See“InstallingorreplacingaPCIExpresscard”onpage39.

8.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:

•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory

moduleoutofthememoryslot.

Figure15.Removingamemorymodule

Chapter5.Installingorreplacinghardware41

•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou
wanttoinstallthememorymodule.

Figure16.Openingtheretainingclips

9.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory
modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight
downintotheslotuntiltheretainingclipsclose.

Figure17.Installingamemorymodule

10.ReinstallthePCIExpressx16graphicscardifyouhaveremovedit.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthebattery

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-connectorassignments(configuration).Abatterykeepsthisinformationactivewhenyou
turnoffthecomputer.

42ThinkCentreE73UserGuide

Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthebatteryfails,thedate,time,andconfigurationinformation(includingpasswords)arelost.An
errormessageisdisplayedwhenyouturnonthecomputer.

Refertothe“Lithiumbatterynotice”intheSafety,Warranty,andSetupGuideforinformationaboutreplacing
anddisposingofthebattery.

Toreplacethebattery,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Locatethebattery.See“Locatingpartsonthesystemboard”onpage13.

4.Removetheoldbattery.

Figure18.Removingtheoldbattery

5.Installanewbattery.

Figure19.Installinganewbattery

6.Reinstallthecomputercoverandconnectthecables.See“Completingthepartsreplacement”on
page76

Note:Whenthecomputeristurnedonforthefirsttimeafterreplacingthebattery,anerrormessage
mightbedisplayed.Thisisnormalafterreplacingthebattery.

7.T urnonthecomputerandallattacheddevices.

8.UsetheSetupUtilityprogramtosetthedate,time,andanypasswords.SeeChapter7“UsingtheSetup
Utilityprogram”onpage89.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

.

Replacingtheharddiskdrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Chapter5.Installingorreplacinghardware43

Thissectionprovidesinstructionsonhowtoreplacetheharddiskdrive.

3

4

5

6

3

4

5

6

Toreplacetheharddiskdrive,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Notethelocationofthefourscrews1thatsecuretheharddiskdrive.Then,pivotthedrivebay
assemblyupward.

Figure20.Pivotingthedrivebayassembly

5.Holdtheharddiskdriveandremovethefourscrewsthatsecuretheharddiskdrive.Then,remove
theharddiskdrivefromthedrivebayassembly.

Figure21.Removingtheharddiskdrive

44ThinkCentreE73UserGuide

6.Disconnectthesignalcableandthepowercablefromtheharddiskdrivetocompletelyremovethehard

3

4

5

6

diskdrivefromthechassis.

7.Connectoneendofthesignalcabletotherearofthenewharddiskdriveandtheotherendtoan
availableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13.
Then,locateanavailablefive-wirepowerconnectorandconnectittotherearofthenewharddiskdrive.

Figure22.ConnectingaSA TAharddiskdrive

8.Positionthenewharddiskdriveintotheharddiskdrivebayandalignthescrewholesinthenewhard
diskdrivewiththecorrespondingholesinthedrivebay.Then,installthefourscrewstosecurethe
newharddiskdriveinplace.

Figure23.Installingtheharddiskdrive

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingtheopticaldrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Chapter5.Installingorreplacinghardware45

Thissectionprovidesinstructionsonhowtoinstallorreplacetheopticaldrive.

Note:Theopticaldriveisonlyavailableinsomemodels.

Toreplaceanopticaldrive,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage37

5.Disconnectthesignalcableandthepowercablefromtheopticaldrive.

6.Holdtheopticaldriveandremovethetwoscrewsthatsecuretheopticaldrive.

Figure24.Removingtheopticaldrive

46ThinkCentreE73UserGuide

7.Pressthedrivebayassemblyclip1inwardandpivotthedrivebayassemblydownwardasshown.

Figure25.Loweringthedrivebayassembly

8.Slidetheopticaldriveoutofthefrontofthecomputer.

Figure26.Removingtheopticaldrive

Chapter5.Installingorreplacinghardware47

9.Slidethenewopticaldriveintotheopticaldrivebayfromthefrontofthecomputer.

Figure27.Installinganewopticaldrive

10.Holdthenewopticaldriveandpivotthedrivebayassemblyupward.Alignthescrewholesinthenew
opticaldrivewiththecorrespondingholesinthedrivebay.Then,installthetwoscrewstosecure
thenewopticaldriveinplace.

Figure28.Installingtheopticaldrive

48ThinkCentreE73UserGuide

11.Connectoneendofthesignalcabletotherearofthenewopticaldriveandtheotherendtoanavailable
SATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13.Then,
locateanavailablefive-wirepowerconnectorandconnectittotherearofthenewopticaldrive.

Figure29.Connectingtheopticaldrive

12.Lowerthedrivebayassembly.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthesolid-statedrive

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoreplacethesolid-statedrive.

Thesolid-statedriveisonlyavailableinsomemodels.Itmightbeinstalledintheharddiskdrivebayor
onthebottomoftheopticaldrivebay.

•Toreplacethesolid-statedriveintheharddiskdrivebay,see“Replacingthesolid-statedriveinthehard
diskdrivebay”onpage49

•Toreplacethesolid-statedriveonthebottomoftheopticaldrivebay,see“Replacingthesolid-statedrive
onthebottomoftheopticaldrivebay”onpage51.

Replacingthesolid-statedriveintheharddiskdrivebay

Toreplacethestorageconverterwiththesolid-statedriveinstalledinit,youmightfollowthestepsof
replacingtheharddiskdrive.See“Replacingtheharddiskdrive”onpage43

Toreplacethesolid-statedriveinthestorageconverter,dothefollowing:

.

.

Chapter5.Installingorreplacinghardware49

1.Removethefourscrewsthatsecurethesolid-statedrivetothestorageconverter.Then,removethe
drivefromtheconverterasshown.

Figure30.Removingthesolid-statedrivefromthestorageconverter

2.T akethenewsolid-statedriveoutofthestatic-protectivepackage.

3.Positionthesolid-statedriveintothestorageconvertersothattheholesinthedrivearealignedwith
thecorrespondingholesintheconverter.Then,installthefourscrewstosecurethesolid-statedrive
totheconverter.

Figure31.Installingthesolid-statedriveintothestorageconverter

50ThinkCentreE73UserGuide

Replacingthesolid-statedriveonthebottomoftheopticaldrivebay

3

4

5

6

Toreplacethesolid-statedriveonthebottomoftheopticaldrivebay,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage37.

5.Notethecableroutinganddisconnectthesignalcableandthepowercablefromthesolid-statedrive.
See“Locatingpartsonthesystemboard”onpage13.

6.Removethescrew1andthencarefullyslidethesolid-statedrivebracketupwardtoremovethebracket
fromthebottomoftheopticaldrivebay.

Figure32.Removingthesolid-statedrivebracket

Chapter5.Installingorreplacinghardware51

7.Removethefourscrewsthatsecurethesolid-statedrivetothebracket.Then,slidethedriveasshown
toremoveitfromthebracket.

Figure33.Removingthesolid-statedrivefromthebracket

8.T akethenewsolid-statedriveoutofthestatic-protectivepackage.

9.Slidethenewsolid-statedriveintothesolid-statedrivebracketasshownuntilthefourholesinthe
drivearealignedwiththecorrespondingholesinthebracket.Then,installthefourscrewstosecurethe
newsolid-statedrivetothebracket.

Figure34.Installingthesolid-statedriveintothebracket

52ThinkCentreE73UserGuide

10.Carefullyslidethesolid-statedrivebracketdownwarduntilitissecuredbythethreeretainingclips1on

3

4

5

6

thebottomoftheopticaldrivebay.

Figure35.Installingthesolid-statedrivebracket

11.Installthescrew1tosecurethebracketonthebottomoftheopticaldrivebay.

Chapter5.Installingorreplacinghardware53

3

4

5

6

Figure36.Installingthescrewtosecurethebracketonthebottomoftheopticaldrivebay

12.Connectoneendofthesignalcabletothebottomofthenewsolid-statedriveandtheotherendto
anavailableSATAconnectoronthesystemboard.See“Locatingpartsonthesystemboard”on
page13.Then,locateanavailablefour-wirepowerconnectorandconnectittothebottomofthe
newsolid-statedrive.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthepowersupplyassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the
followingwarningsarerequiredforyoursafetyandproperUnderwritersLaboratories(UL)certification.

CAUTION:

54ThinkCentreE73UserGuide

Hazardousmovingparts.Keepfingersandotherbodypartsaway.

3

4

5

6

CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

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

Toreplacethepowersupplyassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove
theheatsinkfanductfromthefailingheatsinkandfanassembly.

Figure37.Removingtheheatsinkfanduct

5.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe24-pinpowerconnectorand
4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13

Note:Youmightalsoneedtoreleasethepowersupplyassemblycablesfromsomecableclipsorties
thatsecurethecablestothechassis.Makesurethatyounotethecableroutingbeforedisconnecting
thecables.

Chapter5.Installingorreplacinghardware55

.

6.Attherearofthecomputer,removethethreescrewsthatsecurethepowersupplyassembly.Pressthe

3

4

5

6

powersupplyclip

1downwardtoreleasethepowersupplyassemblyandthenslidethepowersupply

assemblytothefrontofthecomputer.Liftthepowersupplyassemblyoutofthecomputer.

Figure38.Removingthepowersupplyassembly

7.Makesurethatthenewpowersupplyassemblyisthecorrectreplacement.

56ThinkCentreE73UserGuide

8.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpowersupply

3

4

5

6

assemblyarealignedwiththecorrespondingholesintherearofthechassis.Then,installthethree
screwstosecurethenewpowersupplyassemblyinplace.

Note:UseonlyscrewsprovidedbyLenovo.

Figure39.Installingthepowersupplyassembly

9.Connectthenewpowersupplyassemblycablestoalldrivesandthesystemboard.See“Locating
partsonthesystemboard”onpage13.

Chapter5.Installingorreplacinghardware57

10.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilitsnaps

3

4

5

6

intoposition.

Figure40.Installingtheheatsinkfanduct

11.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingtheheatsinkandfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.

CAUTION:

Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.

Toreplacetheheatsinkandfanassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

58ThinkCentreE73UserGuide

4.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove

3

4

5

6

theheatsinkfanductfromthefailingheatsinkandfanassembly.

Figure41.Removingtheheatsinkfanduct

5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage13.

Chapter5.Installingorreplacinghardware59

6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe
systemboard:

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

Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.

Figure42.Removingtheheatsinkandfanassembly

7.Liftthefailingheatsinkandfanassemblyoffthesystemboard.

Notes:

a.Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.
b.Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottom

oftheheatsinkandfanassembly.

8.Placethenewheatsinkandfanassemblyonthesystemboardsothatthefourscrewsarealignedwith
thecorrespondingholesinthesystemboard.

Note:Positionthenewheatsinkandfanassemblysothattheheatsinkandfanassemblycableis
towardthemicroprocessorfanconnectoronthesystemboard.

9.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.
Donotover-tightenthescrews.

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

10.Connectthenewheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage13.

11.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilitsnaps
intoposition.

60ThinkCentreE73UserGuide

3

4

5

6

Figure43.Installingtheheatsinkfanduct

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthemicroprocessor

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.

CAUTION:

Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.

Toreplacethemicroprocessor,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage58.

Note:Placetheheatsinkandfanassemblyonitssidesothatthethermalgreaseonthebottomofit
doesnotgetincontactwithanything.

4.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage13.

Chapter5.Installingorreplacinghardware61

5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.

Figure44.Accessingthemicroprocessor

6.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.

Figure45.Removingthemicroprocessor

Notes:

a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.

62ThinkCentreE73UserGuide

b.Notetheorientationofthemicroprocessorinthesocket.Y oucaneitherlookforthesmalltriangle1

ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor.
Thisisimportantwheninstallingthenewmicroprocessoronthesystemboard.

c.Touchonlytheedgesofthemicroprocessor.Donottouchthegoldcontactsonthebottom.
d.Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpinsmustbe

keptascleanaspossible.

7.Makesurethatthesmallhandleisintheraisedpositionandthemicroprocessorretainerisfullyopen.

8.Removetheprotectivecoverthatprotectsthegoldcontactsofthenewmicroprocessor.

9.Holdthenewmicroprocessorbyitssidesandalignthesmalltriangleononecornerofthenew
microprocessorwiththecorrespondingsmalltriangleononecornerofthemicroprocessorsocket.

10.Lowerthenewmicroprocessorstraightdownintothemicroprocessorsocketonthesystemboard.

Figure46.Installingthemicroprocessor

11.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew
microprocessorinthesocket.

12.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage58.

13.Reconnectallcablesthatweredisconnectedfromthesystemboard.

Chapter5.Installingorreplacinghardware63

Whattodonext:

3

4

5

6

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthesystemfanassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.

Toreplacethesystemfanassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Pivotthedrivebayassemblyupwardtogainaccesstothesystemfanassembly.See“Accessingthe
systemboardcomponentsanddrives”onpage37.

5.Removetheharddiskdriveforeasieraccesstothesystemfanassembly.See“Replacingthehard
diskdrive”onpage43.

6.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage58.

7.Notethecableroutinganddisconnectthesystemfanassemblycablefromthepowerfanconnectoron
thesystemboard.See“Locatingpartsonthesystemboard”onpage13.

8.Thesystemfanassemblyisattachedtothechassisbyfourrubbermounts.Removethesystemfan
assemblybycuttingthefourrubbermounts1andliftingthesystemfanassemblyoutofthechassis.

Note:Thenewsystemfanassemblywillhavefournewrubbermountsattached.

Figure47.Removingthesystemfanassembly

64ThinkCentreE73UserGuide

9.Installthenewsystemfanassemblybyaligningthenewrubbermountsthatcamewiththenewsystem

3

4

5

6

fanassemblywiththecorrespondingholesinthechassis,andthenpushtherubbermountsthroughthe
holes.Then,carefullypullonthetipsoftherubbermountsfromthebottomuntilthenewsystemfan
assemblyissecuredinplace.

Figure48.Installingthesystemfanassembly

10.Connectthenewsystemfanassemblycabletothesystemfanconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage13.

11.Reinstalltheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage58.

12.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage43.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

ReplacingthefrontaudioandUSBassembly

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

.

Chapter5.Installingorreplacinghardware65

4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage37.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage13.

Note:Makesurethatyounotethelocationsofthecableswhenyoudisconnectthecablesfromthe
systemboard.

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.

Figure49.RemovingthefrontaudioandUSBassembly

7.InstallthefrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe
bracketwiththecorrespondingholeinthechassis.

8.Installthescrewtosecurethebrackettothechassis.

9.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem
board.See“Locatingpartsonthesystemboard”onpage13.

10.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB
connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13

11.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage37.

12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

.

ReplacingtheWiFiunits

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

ThissectionprovidesinstructionsonhowtoreplacetheWiFiunits.TheWiFiunitsincludeaWiFiadapter
card,aWiFicardmodule,andarearWiFiantennacable.

66ThinkCentreE73UserGuide

ReplacingtheWiFiunitsinvolvesthefollowingoperations:

•“RemovingtheWiFiadaptercard”onpage67

•“RemovingtheWiFicardmodule”onpage67

•“InstallingtheWiFiunits”onpage69

RemovingtheWiFiadaptercard

ToremovetheWiFiadaptercard,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.RemovethescrewthatsecurestheWiFiadaptercard.

4.GrasptheWiFiadaptercardthatisinstalledandgentlypullitoutoftheslot.

Figure50.RemovingtheWiFiadaptercard

Note:Thecardfitstightlyintothecardslot.Ifnecessary,alternatemovingeachsideofthecarda
smallamountuntilitisremovedfromthecardslot.

RemovingtheWiFicardmodule

ToremovetheWiFicardmodule,dothefollowing:

Chapter5.Installingorreplacinghardware67

1.RemovetheWiFiadaptercardfromthecomputer,andthendisconnectthefrontandrearWiFiantenna
cablesfromtheWiFicardmodule.

Figure51.RemovingtheWiFiantennacables

2.RemovethetwoscrewsthatsecuretheWiFicardmoduletotheWiFiadaptercard.

Figure52.RemovingthescrewsthatsecuretheWiFicardmodule

68ThinkCentreE73UserGuide

3.PulltheWiFicardmoduleoutoftheminiPCIExpressslottoremoveitfromtheWiFiadaptercard.

Figure53.RemovingtheWiFicardmodule

InstallingtheWiFiunits

ToinstalltheWiFiunits,dothefollowing:

Chapter5.Installingorreplacinghardware69

1.InserttheWiFicardmoduleintotheminiPCIExpressslot,andtheninstallthetwoscrewstosecure
theWiFicardmoduletotheWiFiadaptercard.

Figure54.InstallingtheWiFicardmodule

2.ConnectthefrontantennacableandrearantennacabletotheWiFicardmodule.

Figure55.ConnectingtheWiFiantennacables

70ThinkCentreE73UserGuide

3.LocatethetwoPCIExpressx1slotsonthesystemboard.See“Locatingpartsonthesystemboard”
onpage13.

4.InstalltheWiFiadaptercardintooneofthetwoPCIExpressx1slots.Theninstallthescrewtosecure
theWiFiadaptercardinplace.

Figure56.InstallingtheWiFiadaptercard

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

InstallingorremovingtherearWiFiantenna

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

ThissectionprovidesinstructionsonhowtoinstallorremovetherearWiFiantenna.

InstallingtherearWiFiantenna

ToinstalltherearWiFiantenna,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.InstalltherearWiFiantennatotherearWiFiantennacableconnectorattachedontherearofthe
computer.

Chapter5.Installingorreplacinghardware71

3.Adjusttheangleoftherearantennatolowertheriskofbreakingtheantennabyaccident.

3

4

5

6

3

4

5

6

Figure57.InstallingtherearWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76

.

RemovingtherearWiFiantenna

ToremovetherearWiFiantenna,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.StraightentherearWiFiantennasothatitcanbemoreeasilytwisted.

3.HoldthethickerendoftherearWiFiantennaandunscrewtheWiFiantennafromtherearofthe
computer.

Figure58.RemovingtherearWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

72ThinkCentreE73UserGuide

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

InstallingorremovingthefrontWiFiantenna

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev

ThissectionprovidesinstructionsonhowtoinstallorremovethefrontWiFiantenna.

InstallingthefrontWiFiantenna

ToinstallthefrontWiFiantenna,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.Peeloffthepaperthatprotectsthestickersonthefrontantenna.

.

Figure59.Peelingoffthepaperthatprotectsthestickers

Chapter5.Installingorreplacinghardware73

5.Stickthefrontantennatothefrontpanelasshown.Theninsertthefrontantennacablethroughthe
holeinthefrontpanel.

Figure60.InstallingthefrontWiFiantenna

6.ConnectthefrontantennacabletotheWiFicardmodule.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

RemovingthefrontWiFiantenna

ToremovethefrontWiFiantenna,dothefollowing:

1.T urnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.

2.Removethecomputercover.See“Removingthecomputercover”onpage35.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage36.

4.DisconnectthefrontantennacablefromtheWiFicardmodule.

74ThinkCentreE73UserGuide

5.Removethefrontantennaandcablefromthefrontofthecomputer.

Figure61.RemovingthefrontWiFiantenna

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

Replacingthekeyboardormouse

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe

“Importantsafetyinformation”onpagev.

Thissectionprovidesinstructionsonhowtoreplacethekeyboardormouse.

Toreplacethekeyboardormouse,dothefollowing:

1.Disconnecttheoldkeyboardcableormousecablefromthecomputer.

2.ConnectanewkeyboardormousetooneoftheUSBconnectorsonthecomputer.Dependingonwhere
youwanttoconnectthenewkeyboardormouse,see“Locatingconnectors,controls,andindicatorson
thefrontofyourcomputer”onpage9or“Locatingconnectorsontherearofyourcomputer”onpage10.

Figure62.ConnectingtheUSBkeyboardormouse

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

Chapter5.Installingorreplacinghardware75

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage76.

3

4

5

6

Completingthepartsreplacement

Aftercompletingtheinstallationorreplacementforallparts,youneedtoreinstallthecomputercoverand
reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconfirmtheupdated
informationintheSetupUtilityprogram.RefertoChapter7“UsingtheSetupUtilityprogram”onpage89.

Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:

1.Makesurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrews
areleftinsideyourcomputer.See“Locatingcomponents”onpage12forthelocationsofvarious
componentsinyourcomputer.

2.Makesurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthe
computerchassistoavoidinterferencewithclosingthecomputercover.

3.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage37.

4.Ifyouhaveremovedthefrontbezel,reinstallit.

5.Positionthecomputercoveronthechassissothattherailguidesonthecomputercoverengagethe
railsonthechassis.Then,slidethecomputercovertothefrontofthecomputeruntilitsnapsinto
positionandisclosed.Then,installthetwoscrewstosecurethecomputercover.

Figure63.Reinstallingthecomputercover

6.Ifthereisapadlockavailable,lockthecomputercover.See“Lockingthecomputercover”onpage32.

7.IfthereisaKensington-stylecablelockavailable,lockthecomputer.See“AttachingaKensington-style
cablelock”onpage33

.

8.Reconnecttheexternalcablesandpowercordstothecomputer.See“Locatingconnectorsonthe
rearofyourcomputer”onpage10.

9.T oupdateyourconfiguration,refertoChapter7“UsingtheSetupUtilityprogram”onpage89.

76ThinkCentreE73UserGuide

Note:Inmostareasoftheworld,LenovorequiresthereturnofthedefectiveCustomerReplaceableUnit

(CRU).InformationaboutthiswillcomewiththeCRUorwillcomeafewdaysaftertheCRUarrives.

Obtainingdevicedrivers

Youcanobtaindevicedriversthatarenotpreinstalledinyouroperatingsystemat
http://www.lenovo.com/support.Installationinstructionsareprovidedinreadmefileswiththedevice-driver
files.

Chapter5.Installingorreplacinghardware77

78ThinkCentreE73UserGuide

Chapter6.Recoveryinformation

ThischapterprovidesinformationabouttherecoverysolutionsprovidedbyLenovo.

•“RecoveryinformationfortheWindows7operatingsystem”onpage79

•“RecoveryinformationfortheWindows8orWindows8.1operatingsystem”onpage85

•“RecoveryinformationfortheWindows10operatingsystem”onpage86

RecoveryinformationfortheWindows7operatingsystem

Thissectioncontainsthefollowingtopics:

•Creatingandusingrecoverymedia

•Performingbackupandrecoveryoperations

•UsingtheRescueandRecoveryworkspace

•Creatingandusingarescuemedium

•Installingorreinstallingdevicedrivers

•Solvingrecoveryproblems

Notes:

1.TherecoveryinformationinthischapteronlyappliestothecomputersthathavetheRescueand
RecoveryprogramortheProductRecoveryprograminstalled.IftheEnhancedBackupandRestore
iconintheLenovoThinkVantageToolsprogramisdimmed,itindicatesthatyouneedtoinstall
theRescueandRecoveryprogrammanuallybeforeenablingitsfeatures.ToinstalltheRescueand
Recoveryprogram,dothefollowing:

a.ClickStart➙AllPrograms➙LenovoThinkVantageT ools,anddouble-clickEnhancedBackup

andRestore.
b.Followtheinstructionsonthescreen.
c.Whentheinstallationprocesscompletes,theEnhancedBackupandRestoreiconisactivated.

2.Thereareavarietyofmethodstochoosefromwhenconsideringhowtorecoverintheeventofa
software-orhardware-relatedproblem.Somemethodsvarydependingonthetypeofoperatingsystem
thatisinstalled.

3.Theproductontherecoverymediamaybeusedonlyforthefollowingpurposes:

•Restoretheproductpreinstalledonyourcomputer

•Reinstalltheproduct

•ModifytheproductusingtheAdditionalFiles

Creatingandusingrecoverymedia

Youcanuserecoverymediatorestoretheharddiskdrivetothefactorydefaultstate.Recoverymediaare
usefulifyoutransferthecomputertoanotherarea,sellthecomputer,recyclethecomputer,orputthe
computerinanoperationalstateafterallothermethodsofrecoveryhavefailed.Asaprecautionarymeasure,
itisimportanttocreaterecoverymediaasearlyaspossible.

Note:Therecoveryoperationsyoucanperformusingrecoverymediavarydependingontheoperating
systemfromwhichtherecoverymediawerecreated.Therecoverymediamightcontainabootmedium
andadatamedium.YourMicrosoftWindowslicensepermitsyoutocreateonlyonedatamedium,soitis
importantthatyoustoretherecoverymediainasafeplaceafteryouhavemadethem.

©CopyrightLenovo2013,2015

79

Creatingrecoverymedia

Thissectionprovidesinstructionsonhowtocreaterecoverymediaondifferentoperatingsystems.

Note:OntheWindows7operatingsystem,youcancreaterecoverymediausingdiscsorexternalUSB
storagedevices.OntheWindowsVistaoperatingsystem,youcancreaterecoverymediausingonlydiscs,
sothisoperationisalsocalled“creatingProductRecoverydiscs.”

TocreaterecoverymediaontheWindows7operatingsystem,clickStart➙AllPrograms➙Lenovo

ThinkVantageT ools➙FactoryRecoveryDisks.Then,followtheinstructionsonthescreen.

Usingrecoverymedia

Thissectionprovidesinstructionsonhowtouserecoverymediaondifferentoperatingsystems.

OntheWindows7operatingsystem,youcanuserecoverymediatorestorethecontentsoftheharddisk
drivetothefactorydefaultstate.Also,youcanuserecoverymediatoputthecomputerinanoperational
stateafterallothermethodsofharddiskdriverecoveryhavefailed.

Attention:Whenyouuserecoverymediatorestorethecontentsoftheharddisktothefactorydefaultstate,
allthefilescurrentlyontheharddiskdrivewillbedeletedandreplacedbythefactorydefaultfiles.

TouserecoverymediaontheWindows7operatingsystem,dothefollowing:

1.Dependingonthetypeofyourrecoverymedia,connectthebootmedium(memorykeyorotherUSB
storagedevice)tothecomputer,orinsertthebootdiscintotheopticaldrive.

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowopens,releasetheF12key.

3.SelectthedesiredstartupdeviceandpressEnter.Therestoreprocessbegins.

4.Followtheinstructionsonthescreentocompletetheoperation.

Note:Afterrestoringyourcomputerharddiskdrivetothefactorydefaultstate,youmighthavetoreinstall
devicedriversforsomedevices.See“Reinstallingdevicedrivers”onpage84.

Performingbackupandrecoveryoperations

TheRescueandRecoveryprogramenablesyoutobackupallyourharddiskdrivecontentsincludingthe
operatingsystem,datafiles,softwareprograms,andpersonalsettings.Youcandesignatewherethe
RescueandRecoveryprogramstoresthebackup:

•Inaprotectedareaofyourharddiskdrive

•Onthesecondaryharddiskdriveifasecondaryharddiskdriveisinstalledinyourcomputer

•OnanattachedexternalUSBharddiskdrive

•Onanetworkdrive

•Onrecordablediscs(arecordableopticaldriveisrequiredforthisoption)

Afteryouhavebackedupthecontentsoftheharddiskdrive,youcanrestorethecompletecontentsofthe
harddiskdrive,restoreselectedfilesonly,orrestoretheWindowsoperatingsystemandapplicationsonly
whilekeepingtheotherdataonyourharddiskdrive.

Performingabackupoperation

ThissectionprovidesinstructionsonhowtoperformabackupoperationusingtheRescueandRecovery
programondifferentoperatingsystems.

•ToperformabackupoperationusingtheRescueandRecoveryprogramontheWindows7operating
system,dothefollowing:

80ThinkCentreE73UserGuide

1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageT ools➙
EnhancedBackupandRestore.TheRescueandRecoveryprogramopens.

2.IntheRescueandRecoverymainwindow,clicktheLaunchadvancedRescueandRecoveryarrow.

3.ClickBackupyourharddriveandselectbackupoperationoptions.Then,followtheinstructionson
thescreentocompletethebackupoperation.

Performingarecoveryoperation

ThissectionprovidesinstructionsonhowtoperformarecoveryoperationusingtheRescueandRecovery
programondifferentoperatingsystems.

ToperformarecoveryoperationusingtheRescueandRecoveryprogramontheWindows7operating
system,dothefollowing:

1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageT ools➙Enhanced
BackupandRestore.TheRescueandRecoveryprogramopens.

2.IntheRescueandRecoverymainwindow,clicktheLaunchadvancedRescueandRecoveryarrow.

3.ClicktheRestoreyoursystemfromabackupicon.

4.Followtheinstructionsonthescreentocompletetherecoveryoperation.

FormoreinformationaboutperformingarecoveryoperationfromtheRescueandRecoveryworkspace,see
“UsingtheRescueandRecoveryworkspace”onpage81.

UsingtheRescueandRecoveryworkspace

TheRescueandRecoveryworkspaceresidesinaprotected,hiddenareaofyourharddiskdrivethat
operatesindependentlyfromtheWindowsoperatingsystem.Thisenablesyoutoperformrecovery
operationsevenifyoucannotstarttheWindowsoperatingsystem.Youcanperformthefollowingrecovery
operationsfromtheRescueandRecoveryworkspace:

•Rescuefilesfromyourharddiskdriveorfromabackup:TheRescueandRecoveryworkspaceenables
youtolocatefilesonyourharddiskdriveandtransferthemtoanetworkdriveorotherrecordablemedia,
suchasaUSBdeviceoradisc.Thissolutionisavailableevenifyoudidnotbackupyourfilesorif
changesweremadetothefilessinceyourlastbackupoperation.Y oucanalsorescueindividualfilesfrom
aRescueandRecoverybackuponyourlocalharddiskdrive,aUSBdevice,oranetworkdrive.

•RestoreyourharddiskdrivefromaRescueandRecoverybackup:Ifyouhavebackedupyourharddisk
driveusingtheRescueandRecoveryprogram,youcanrestoretheharddiskdrivefromaRescueand
Recoverybackup,evenifyoucannotstarttheWindowsoperatingsystem.

•Restoreyourharddiskdrivetothefactorydefaultstate:TheRescueandRecoveryworkspaceenables
youtorestorethecompletecontentsofyourharddiskdrivetothefactorydefaultstate.Ifyouhave
multiplepartitionsonyourharddiskdrive,youhavetheoptiontorestoretheC:partitionandleavethe
otherpartitionsintact.BecausetheRescueandRecoveryworkspaceoperatesindependentlyfrom
theWindowsoperatingsystem,youcanrestoretheharddiskdrivetothefactorydefaultstateevenif
youcannotstarttheWindowsoperatingsystem.

Attention:IfyourestoretheharddiskdrivefromaRescueandRecoverybackuporrestoretheharddisk
drivetothefactorydefaultsettings,allfilesontheprimaryharddiskdrivepartition(usuallydriveC:)willbe
deletedintherecoveryprocess.Ifpossible,makecopiesofimportantfiles.Ifyouareunabletostartthe
Windowsoperatingsystem,youcanusetherescuefilesfeatureoftheRescueandRecoveryworkspaceto
copyfilesfromyourharddiskdrivetoothermedia.

TostarttheRescueandRecoveryworkspace,dothefollowing:

1.Makesurethatthecomputeristurnedoff.

Chapter6.Recoveryinformation81

2.T urnonyourcomputer.Whenyouseethelogoscreen,pressEnter,andthenpressF11toenterthe
RescueandRecoveryworkspace.

3.IfyouhavesetaRescueandRecoverypassword,typeyourpasswordwhenprompted.TheRescue
andRecoveryworkspaceopensafterashortdelay.

Note:IftheRescueandRecoveryworkspacefailstoopen,see“Solvingrecoveryproblems”onpage84

4.Dooneofthefollowing:

•Torescuefilesfromyourharddiskdrive,clickRescuefilesandfollowtheinstructionsonthescreen.

•TorestoreyourharddiskdrivefromaRescueandRecoverybackuportorestoreyourharddiskdrive

tothefactorydefaultsettings,clickFullRestoreandfollowtheinstructionsonthescreen.

FormoreinformationaboutthefeaturesoftheRescueandRecoveryworkspace,clickHelp.

Note:Afterrestoringyourharddiskdrivetothefactorydefaultstate,youmighthavetoreinstalldevice
driversforsomedevices.See“Reinstallingdevicedrivers”onpage84.

Creatingandusingarescuemedium

Witharescuemedium,suchasadiscoraUSBharddiskdrive,youcanrecoverthecomputerfromfailures
thatpreventyoufromgainingaccesstotheRescueandRecoveryworkspaceonyourharddiskdrive.

Notes:

1.Therecoveryoperationsyoucanperformusingarescuemediumvarydependingontheoperating
system.

2.Therescuedisccanbestartedinalltypesofopticaldrives.

Creatingarescuemedium

Thissectionprovidesinstructionsonhowtocreatearescuemediumondifferentoperatingsystems.

.

TocreatearescuemediumontheWindows7operatingsystem,dothefollowing:

1.FromtheWindowsdesktop,clickStart➙AllPrograms➙LenovoThinkVantageT ools➙Enhanced
BackupandRestore.TheRescueandRecoveryprogramopens.

2.IntheRescueandRecoverymainwindow,clicktheLaunchadvancedRescueandRecoveryarrow.

3.ClicktheCreateRescueMediaicon.TheCreateRescueandRecoveryMediawindowopens.

4.IntheRescueMediaarea,selectthetypeoftherescuemediumyouwanttocreate.Y oucancreatea
rescuemediumusingadisc,aUSBharddiskdrive,orasecondaryinternalharddiskdrive.

5.ClickOKandfollowtheinstructionsonthescreentocreatearescuemedium.

Usingarescuemedium

Thissectionprovidesinstructionsonhowtousetherescuemediumyouhavecreated.

•Ifyouhavecreatedarescuemediumusingadisc,usethefollowinginstructionstousetherescuemedium:

1.T urnoffyourcomputer.

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowopens,releasetheF12key.

3.InthePleaseselectbootdevicewindow,selectthedesiredopticaldriveasthefirstbootdevice.
Then,inserttherescuediscintotheopticaldriveandpressEnter.Therescuemediumstarts.

•IfyouhavecreatedarescuemediumusingaUSBharddiskdrive,usethefollowinginstructionsto
usetherescuemedium:

1.AttachtheUSBharddiskdrivetooneoftheUSBconnectorsonyourcomputer.

82ThinkCentreE73UserGuide

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhenthePleaseselect
bootdevicewindowopens,releasetheF12key.

3.InthePleaseselectbootdevicewindow,selecttheUSBharddiskdriveasthefirstbootdeviceand
pressEnter.Therescuemediumstarts.

Whentherescuemediumstarts,theRescueandRecoveryworkspaceopens.Thehelpinformationfor
eachfeatureisavailablefromtheRescueandRecoveryworkspace.Followtheinstructionstocomplete
therecoveryprocess.

Reinstallingpreinstalledapplicationsanddevicedrivers

Yourcomputerhasprovisionsthatenableyoutoreinstallselectedfactory-installedapplicationsanddevice
drivers.

Reinstallingpreinstalledapplications

Thissectionprovidesinstructionsonhowtoreinstallpreinstalledapplications.

ToreinstalltheselectedapplicationspreinstalledonyourLenovocomputer,dothefollowing:

1.T urnonthecomputer.

2.GototheC:\SWTOOLSdirectory.

3.Opentheappsfolder.Withintheappsfolder,thereareseveralsubfoldersnamedforvariousapplications
installedinyourcomputer.

4.Opentheappropriateapplicationsubfolder.

5.Intheapplicationsubfolder,lookforaSETUP .EXEfileorotherappropriateEXEfilesforsetup.
Double-clickthefileandfollowtheinstructionsonthescreentocompletetheinstallation.

Reinstallingpreinstalleddevicedrivers

Thissectionprovidesinstructionsonhowtoreinstallpreinstalleddevicedrivers.

Attention:Whenyoureinstalldevicedrivers,youarechangingthecurrentconfigurationofyourcomputer.
Reinstalldevicedriversonlywhenitisnecessarytocorrectaproblemwithyourcomputer.

Toreinstallthedevicedriverforafactory-installeddevice,dothefollowing:

1.T urnonthecomputer.

2.GototheC:\SWTOOLSdirectory.

3.OpentheDRIVERSfolder.WithintheDRIVERSfolder,thereareseveralsubfoldersnamedforvarious
devicesinstalledinyourcomputer,suchasAUDIOorVIDEO.

4.Opentheappropriatedevicesubfolder.

5.Dooneofthefollowing:

•Inthedevicesubfolder,lookforaSETUP .exefile.Double-clickthefileandfollowtheinstructionson

thescreentocompletetheinstallation.

•Inthedevicesubfolder,lookforaREADME.txtfileorafilewiththe.txtextension.Thisfilemightbe

namedaftertheoperatingsystem,suchasWIN98.txt.TheTXTfilecontainsinformationabouthowto
installthedevicedriver.Followtheinstructionstocompletetheinstallation.

•Ifthedevicesubfoldercontainsafilewiththe.infextensionandyouwanttoinstallthedevicedriver

usingtheINFfile,refertotheWindowshelpsystemfordetailedinformationabouthowtoinstall
thedevicedriver.

Note:Ifyouneedupdateddevicedrivers,see“Gettingthelatestdevicedriversforyourcomputer”on
page97

formoreinformation.

Chapter6.Recoveryinformation83

Reinstallingsoftwareprograms

Ifasoftwareprogramyouinstalledonyourcomputerisnotworkingcorrectly,youmightneedtoremove
andreinstallit.Reinstallingoverwritestheexistingprogramsfilesandusuallyfixesanyproblemsthat
youmighthavehadwiththatprogram.

Toremoveaprograminyoursystem,seeMicrosoftWindowshelpsystemfordetailedinformation.

Toreinstalltheprogram,dooneofthefollowing:

Note:Themethodofreinstallingaprogramvariesfromprogramtoprogram.Refertothedocumentation
providedwiththeprogramtoseeifyourprogramhasspecialinstallationinstructions.

•Toreinstallmostcommerciallyavailableprogramsinyoursystem,seeMicrosoftWindowshelpsystem
formoreinformation.

•ToreinstallselectedapplicationprogramsthatcamepreinstalledfromLenovo,dothefollowing:

1.T urnonthecomputer.

2.GototheC:\SWTOOLSdirectory.

3.OpentheAPPSfolder.WithintheAPPSfolder,thereareseveralsubfoldersnamedforvarious
applicationsinstalledinyourcomputer.

4.Opentheappropriateapplicationsubfolder.

5.Intheapplicationsubfolder,lookforaSETUP .EXEfileorotherappropriateEXEfilesforsetup.
Double-clickthefileandfollowtheinstructionsonthescreentocompletetheinstallation.

Reinstallingdevicedrivers

Toreinstalladevicedriverforanoptionyouinstalled,refertothedocumentationthatcomeswiththeoption.

Whenyoureinstalldevicedrivers,youarechangingthecurrentconfigurationofyourcomputer.Reinstall
devicedriversonlywhenitisnecessarytocorrectaproblemwithyourcomputer.

Formoreinformationaboutreinstallingdevicedriversthatcamewithyourcomputer,see“Reinstalling
preinstalledapplicationsanddevicedrivers”onpage83.

Solvingrecoveryproblems

IfyouareunabletoaccesstheRescueandRecoveryworkspaceortheWindowsenvironment,doone
ofthefollowing:

•UsearescuemediumtostarttheRescueandRecoveryworkspace.See“Creatingandusingarescue
medium”onpage82.

•Userecoverymediaifallothermethodsofrecoveryhavefailedandyouneedtorestoretheharddisk
drivetothefactorydefaultsettings.See“Creatingandusingrecoverymedia”onpage79.

Note:IfyouareunabletoaccesstheRescueandRecoveryworkspaceortheWindowsenvironmentfrom
arescuemediumorrecoverymedia,youmightnothavetherescuedevice(aninternalharddiskdrive,a
disc,aUSBharddiskdrive,orotherexternaldevices)setasthefirstbootdeviceinthestartupdevice
sequence.Youmustfirstmakesurethatyourrescuedeviceissetasthefirstbootdeviceinthestartup
devicesequenceintheSetupUtilityprogram.See“Selectingastartupdevice”onpage91
informationabouttemporarilyorpermanentlychangingthestartupdevicesequence.Formoreinformation
abouttheSetupUtilityprogram,seeChapter7“UsingtheSetupUtilityprogram”onpage89.

fordetailed

Itisimportanttocreatearescuemediumandasetofrecoverymediaasearlyaspossibleandstorethem
inasafeplaceforfutureuse.

84ThinkCentreE73UserGuide

RecoveryinformationfortheWindows8orWindows8.1operating system

Thissectionprovidesinformationabouttherecoverysolutionsprovidedoncomputerspreinstalledwith
theWindows8orWindows8.1operatingsystem.

Refreshingyourcomputer

Ifyourcomputerdoesnotperformwellandtheproblemmightbecausedbyarecentlyinstalledprogram,
youcanrefreshyourcomputerwithoutlosingyourpersonalfilesorchangingyoursettings.

Attention:Ifyourefreshyourcomputer,theprogramsthatcamewithyourcomputerandtheprogramsthat
youinstalledfromWindowsStorewillbereinstalled,butallotherprogramswillberemoved.

Torefreshyourcomputer,dooneofthefollowing:

•ForWindows8:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.

2.IntheRefreshyourPCwithoutaffectingyourfilessection,clickGetstarted.

•ForWindows8.1:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.

2.IntheRefreshyourPCwithoutaffectingyourfilessection,clickGetstarted.

Resettingyourcomputertothefactorydefaultsettings

Youcanresetyourcomputertothefactorydefaultsettings.Resettingthecomputerwillreinstallthe
operatingsystem,andreinstallalltheprogramsandsettingsthatcamewithyourcomputer.

Attention:Ifyouresetyourcomputer,allyourpersonalfilesandsettingswillbedeleted.Toavoiddataloss,
makeabackupcopyofallthedatathatyouwanttokeep.

Toresetyourcomputer,dooneofthefollowing:

•ForWindows8:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.

2.IntheRemoveeverythingandreinstallWindowssection,clickGetstarted.

•ForWindows8.1:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.

2.IntheRemoveeverythingandreinstallWindowssection,clickGetstarted.

Usingtheadvancedstartupoptions

AdvancedstartupoptionsenableyoutochangethestartupsettingsofyourWindowsoperatingsystem,
startthecomputerfromanexternaldevice,orrestoretheWindowsoperatingsystemfromasystemimage.

Tousetheadvancedstartupoptions,dothefollowing:

•ForWindows8:

Chapter6.Recoveryinformation85

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙General.

2.IntheAdvancedstartupsection,clickRestartnow➙T roubleshoot➙Advancedoptions.

3.Restartyourcomputerfollowingtheinstructionsonthescreen.

•ForWindows8.1:

1.Movethepointertothetop-rightorbottom-rightcornerofthescreentodisplaythecharms.Click
Settings➙ChangePCsettings➙Updateandrecovery➙Recovery.

2.IntheAdvancedstartupsection,clickRestartnow➙T roubleshoot➙Advancedoptions.

3.Restartyourcomputerfollowingtheinstructionsonthescreen.

RecoveringyouroperatingsystemifWindows8orWindows8.1fails tostart

TheWindowsrecoveryenvironmentonyourcomputeriscapableofoperatingindependentlyfromthe
Windows8orWindows8.1operatingsystem.Thisenablesyoutorecoverorrepairtheoperatingsystem
eveniftheWindows8orWindows8.1operatingsystemfailstostart.

Aftertwoconsecutivefailedbootattempts,theWindowsrecoveryenvironmentstartsautomatically.Then
youcanchooserepairandrecoveryoptionsbyfollowingtheinstructionsonthescreen.

Note:Ensurethatyourcomputerisconnectedtoacpowerduringtherecoveryprocess.

FormoredetailsabouttherecoverysolutionsprovidedoncomputerspreinstalledwiththeWindows8
orWindows8.1operatingsystem,refertothehelpinformationsystemoftheWindows8orWindows

8.1operatingsystem.

RecoveryinformationfortheWindows10operatingsystem

TorecoveryourWindows10operatingsystem,usethefollowingsolutions:

•UseWindowsrecoverysolutions.

–UserecoverysolutionsinWindowsSettings.

1.ClicktheStartbuttontoopentheStartmenu.

2.ClickSettings➙Update&security➙Recovery.

3.Choosetheappropriaterecoverysolutionbyfollowingtheinstructionsonthescreen.

–UseSystemRestoretorestoresystemfilesandsettingstoanearlierpoint.

1.Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclick
Recovery➙OpenSystemRestore.

3.Followtheinstructionsonthescreen.

–UsetheFileHistorytooltorestoreyourfilesfromabackup.

Note:IfyouusetheFileHistorytooltorestoreyourfilesfromabackup,ensurethatyoubackedup
yourdataearlierwiththetool.

1.Right-clicktheStartbuttontoopentheStartcontextmenu.

2.ClickControlPanel.ViewControlPanelusingLargeiconsorSmallicons,andthenclickFile
History➙Restorepersonalfiles.

3.Followtheinstructionsonthescreen.

–UsetheWindowsrecoveryenvironmentbydoingoneofthefollowing:

86ThinkCentreE73UserGuide

–Afterseveralconsecutivefailedbootattempts,theWindowsrecoveryenvironmentmightstart

automatically.Followtheinstructionsonthescreentochoosetheappropriaterecoverysolution.

–SelecttherecoverymediumyoucreatedearlierwiththeWindowstoolasthestartupdevice.See

“Selectingatemporarystartupdevice”onpage92

.Then,followtheinstructionsonthescreen

tochoosetheappropriaterecoverysolution.

Note:Tocreatearecoverymedium,see“Goodmaintenancepractices”onpage99.

•UsetherecoveryUSBkeyprovidedbyLenovotorestoretheentirestoragedrivetothefactory-default
settings.

–IfyourcomputercomeswiththerecoveryUSBkey,followtheinstructionsshippedwiththeUSBkey.
–IfyourcomputerdoesnotcomewiththerecoveryUSBkey,contacttheLenovoCustomer

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

Chapter6.Recoveryinformation87

88ThinkCentreE73UserGuide