ThinkCentre
UserGuide
MachineType:7536
ThinkCentre
UserGuide
MachineType:7536
Note
Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandtheThinkCentre
SafetyandWarrantyGuideandAppendixA“Notices”onpage57
.
FirstEdition(November2010)
©CopyrightLenovo,2010.
LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivateexpenseandare
soldtogovernmentalentitiesascommercialitemsasdenedby48C.F .R.2.101withlimitedandrestrictedrightsto
use,reproductionanddisclosure.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts,data,computersoftware,orservicesaredeliveredpursuant
aGeneralServicesAdministration“GSA ”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforth
inContractNo.GS-35F-05925.
Contents
Importantsafetyinformation......v
Chapter1.Productoverview......1
Features..................1
Specications................3
Softwareoverview..............4
SoftwareprovidedbyLenovo........4
AdobeReader..............5
Antivirussoftware.............5
Locations..................5
Locatingconnectorsonthefrontofyour
computer................5
Locatingconnectorsontherearofyour
computer................6
Locatingcomponents...........7
Locatingpartsonthesystemboard.....8
Locatinginternaldrives..........9
Chapter2.Installingorreplacing
hardware...............11
Handlingstatic-sensitivedevices.......11
Installingorreplacinghardware........11
Installingexternaloptions........11
Openingthecomputercover.......12
Accessingthesystemboardcomponentsand
drives................12
Installingorreplacingamemorymodule...13
InstallingorreplacingaPCIcard......15
Replacingthebattery..........17
Replacingtheharddiskdrive.......18
Replacingtheopticaldrive........20
Replacingthepowersupplyassembly...22
Replacingtheheatsink.........24
ReplacingthefrontaudioandUSB
assembly...............26
Replacingthesystemfan.........27
Replacingtheinternalspeaker.......28
Replacingthekeyboardormouse.....31
Completingthepartsreplacement.....32
Installingsecurityfeatures..........33
Integratedcablelock..........33
Passwordprotection..........34
Erasinglostorforgottenpasswords(clearing
CMOS)................34
Chapter3.Recoveryinformation...37
Creatingandusingrecoverymedia......37
Creatingrecoverymedia.........37
Usingrecoverymedia..........37
Performingbackupandrecoveryoperations...38
Performingabackupoperation......38
Performingarecoveryoperation......39
UsingtheRescueandRecoveryworkspace...39
Creatingandusingarescuemedium......40
Creatingarescuemedium........40
Usingarescuemedium.........40
Installingorreinstallingdevicedrivers.....41
Solvingrecoveryproblems..........41
Chapter4.UsingtheSetupUtility..43
StartingtheSetupUtilityprogram.......43
Viewingandchangingsettings........43
Usingpasswords..............43
Passwordconsiderations.........43
Power-OnPassword..........44
AdministratorPassword.........44
HardDiskPassword...........44
Setting,changing,anddeletingapassword.44
Enablingordisablingadevice........44
Selectingastartupdevice..........45
Selectingatemporarystartupdevice....45
Selectingorchangingthestartupdevice
sequence...............45
ExitingfromtheSetupUtilityprogram.....45
Chapter5.Updatingsystem
programs...............47
Usingsystemprograms...........47
Updating(ashing)theBIOSfromadisc....47
Updating(ashing)theBIOSfromyouroperating
system..................48
RecoveringfromaPOST/BIOSupdatefailure..48
Chapter6.Troubleshootingand
diagnostics..............49
Basictroubleshooting............49
Diagnosticprograms............50
LenovoThinkVantageT oolbox.......50
PC-DoctorforRescueandRecovery....50
PC-DoctorforDOS...........51
Cleaninganopticalmouse..........51
Chapter7.Gettinginformation,help,
andservice..............53
Informationresources............53
©CopyrightLenovo,2010
iii
OnlineBooksfolder...........53
LenovoThinkVantageT ools........53
LenovoWelcome............53
AccessHelp..............53
SafetyandWarranty...........54
LenovoWebsite(http://www.lenovo.com)..54
Helpandservice..............54
Usingthedocumentationanddiagnostic
programs...............54
Callingforservice............54
Usingotherservices..........55
Purchasingadditionalservices......56
AppendixA.Notices.........57
Televisionoutputnotice...........58
EuropeanconformanceCEmark.......58
Trademarks................58
Index..................59
ivThinkCentreUserGuide
Importantsafetyinformation
CAUTION:
Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis
product.RefertotheThinkCentreSafetyandWarrantyGuidethatyoureceivedwiththisproductfor
thelatestsafetyinformation.Readingandunderstandingthissafetyinformationreducestheriskof
personalinjuryandordamagetoyourproduct.
IfyounolongerhaveacopyoftheThinkCentreSafetyandWarrantyGuide,youcanobtainaPortable
DocumentFormat(PDF)versionfromtheLenovo
http://www.lenovo.com/support
®
SupportWebsiteat:
©CopyrightLenovo,2010
v
viThinkCentreUserGuide
Chapter1.Productoverview
Thischapterdescribesthecomputerfeatures,specications,preinstalledsoftwareprograms,andpart
andconnectorlocations.
Features
Thissectionprovidesinformationaboutthecomputerfeatures.
Systeminformation
Thefollowinginformationcoversavarietyofmodels.Forinformationaboutyourspecicmodel,usethe
SetupUtilityprogram.SeeChapter4“UsingtheSetupUtility”onpage43
Microprocessor
YourcomputercomeswithIntelCore™i5microprocessor
Memory
Supportsuptofourdoubledatarate3dualinlinememorymodules(DDR3DIMMs)
Internaldrives
•Opticaldrive
•SATA(SerialAdvancedT echnologyAttachment)internalharddiskdrive(installedinsomemodels)
.
Videosubsystem
IntegratedgraphicscardforaVGA(VideoGraphicsArray)connectorandaDisplayPortconnector(not
applicableonsomemodels)
Audiosubsystem
•Integratedhigh-denition(HD)audio
•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel
•Microphoneconnectorandheadphoneconnectoronthefrontpanel
•Internalspeaker(installedinsomemodels)
Connectivity
100/1000MbpsintegratedEthernetcontroller
Systemmanagementfeatures
•Abilitytostorepower-onself-test(POST)hardwaretestresults
•Automaticpower-onstartup
•DesktopManagementInterface(DMI)
•IntelActiveManagementTechnology(AMT)(somemodels)
•IntelMatrixStorageManager
•PrebootExecutionEnvironment(PXE)
©CopyrightLenovo,2010
1
•SystemManagement(SM)BasicInput/OutputSystem(BIOS)andSMsoftware
•WakeonLAN
•WakeonRing
•WindowsManagementInstrumentation(WMI)
Input/Output(I/O)features
•9-pinserialport(onestandard)
•EightUSB(UniversalSerialBus)connectors(twoonthefrontpanelandsixontherearpanel)
•Ethernetconnector
•OneDisplayPortconnector(notapplicableonsomemodels)
•OneVGAmonitorconnector(notapplicableonsomemodels)
•Threeaudioconnectorsontherearpanel(audioline-inconnector,audioline-outconnector,and
microphoneconnector)
•T woaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)
Formoreinformation,see“Locatingconnectorsonthefrontofyourcomputer”onpage5and“Locating
connectorsontherearofyourcomputer”onpage6.
Expansion
•Oneharddiskdrivebay
•Oneopticaldrivebay
•OnePCIcardslot
•OnePCIExpressx16graphicscardslot
Powersupply
•240-wattauto-sensingpowersupply
Securityfeatures
•Computrace
•Coverpresenceswitch(alsocalledintrusionswitch)
•Enablingordisablingadevice
•EnablingordisablingUSBconnectorsindividually
•Harddiskdrivepassword
•Keyboardwithngerprintreader(shippedwithsomemodels)
•Power-OnPassword(POP)andAdministratorPasswordforBIOSaccess
•Startupsequencecontrol
•Startupwithoutkeyboardormouse
•Supportforanintegratedcablelock(Kensingtonlock)
•T rustedPlatformModule(TPM)
Preinstalledsoftwareprograms
Yourcomputerispreinstalledwithsomesoftwareprogramstohelpyouworkmoreeasilyandsecurely.For
moreinformation,see“Softwareoverview”onpage4
.
2ThinkCentreUserGuide
Preinstalledoperatingsystem
YourcomputerispreinstalledwiththeMicrosoft
Operatingsystem(s),certiedortestedforcompatibility
•Linux
®
®
Windows
®
1
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
Dimensions
Width:317mm(12.48inches)
Height:99mm(3.9inches)
Depth:355mm(13.98inches)
Weight
Maximumcongurationasshipped:7.5kg(16.53lbs)
Environment
•Airtemperature:
Operating:10°Cto35°C(50°Fto95°F)
Non-operating:-40°Cto60°C(-40°Fto140°F)
-10°Cto60°C(14°Fto140°F)(withoutpackage)
•Humidity:
Operating:20%to80%(non-condensing)
Non-operating:20%to90%(non-condensing)
•Altitude:
Operating:-50to10000ft(-15.2to3048m)
Non-operating:-50to35000ft(-15.2to10668m)
Electricalinput
•Inputvoltage:
–Lowrange:
Minimum:100Vac
Maximum:127Vac
Inputfrequencyrange:50to60Hz
Voltage-selectionswitchsetting:115Vac
–Highrange:
Minimum:200Vac
Maximum:240Vac
Inputfrequencyrange:50to60Hz
Voltage-selectionswitchsetting:230Vac
7operatingsystem.
(variesbymodeltype)
1.Theoperatingsystem(s)listedherearebeingcertiedortestedforcompatibilityatthetimethispublicationgoesto
press.AdditionaloperatingsystemsmightbeidentiedbyLenovoascompatiblewithyourcomputerfollowingthe
publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertiedor
testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.
Chapter1.Productoverview3
Softwareoverview
Thecomputercomeswithapreinstalledoperatingsystemandseveralpreinstalledapplications.
SoftwareprovidedbyLenovo
ThefollowingsoftwareprogramsareprovidedbyLenovotohelpyouimproveproductivityandreducethe
costassociatedwithmaintainingyourcomputer.Softwareprogramsprovidedwithyourcomputermight
varydependingonyourcomputermodeltypeandpreinstalledoperatingsystem.
LenovoThinkVantageTools
TheLenovoThinkVantage
accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.Formoreinformation,see“Lenovo
ThinkVantageT ools”onpage53
LenovoWelcome
TheLenovoWelcomeprogramintroducessomeinnovativebuilt-infeaturesofLenovotoyouandguidesyou
throughsomeimportantsetuptaskstohelpyoumakethemostofyourcomputer.
ThinkVantageRescueandRecovery
TheThinkVantageRescueandRecovery®programisaonebuttonrecoveryandrestoresolutionthat
includesasetofselfrecoverytoolstohelpusersdiagnosecomputerproblems,gethelp,andrecoverfrom
systemcrashesquickly,eveniftheprimaryoperatingsystemwillnotstart.
®
Toolsprogramguidesyoutoahostofinformationsourcesandprovideseasy
.
PasswordManager
ThePasswordManagerprogramautomaticallycapturesandllsinauthenticationinformationforWindows
applicationsandWebsites.
PowerManager
ThePowerManagerprogramprovidesconvenient,exible,andcompletepowermanagementforyour
ThinkCentre®computer.ByusingthePowerManagerprogram,youcanadjustyourpowersettingsto
achievethebestbalancebetweensystemperformanceandpowersaving.
ProductRecovery
TheProductRecoveryprogramenablesyoutorestorethecontentsoftheharddiskdrivetothefactory
defaultsettings.
FingerprintSoftware
Theintegratedngerprintreaderprovidedonsomekeyboardsenablesyoutoenrollyourngerprintand
associateitwithyourpower-onpassword,harddiskdrivepassword,andWindowspassword.Asaresult,
ngerprintauthenticationcanreplacepasswordsandenablesimpleandsecureuseraccess.Angerprint
readerkeyboardisavailablewithselectcomputersorcanbepurchasedforcomputersthatsupportthis
option.
LenovoThinkVantageToolbox
TheLenovoThinkVantageT oolboxprogramhelpsyoumaintainyourcomputer,improvecomputingsecurity,
diagnosecomputerproblems,getfamiliarwiththeinnovativetechnologiesprovidedbyLenovo,andgetmore
informationaboutyourcomputer.Formoreinformation,see“LenovoThinkVantageT oolbox”onpage50.
4ThinkCentreUserGuide
PC-DoctorforRescueandRecovery
ThePC-DoctorforRescueandRecoverydiagnosticprogramispreinstalledonyourThinkCentrecomputer
aspartoftheRescueandRecoveryworkspacetohelpyoudiagnosehardwareproblems.Itcanalsoreport
operating-system-controlledsettingsthatinterferewiththecorrectoperationofyoursystem.Usethe
PC-DoctorforRescueandRecoverydiagnosticprogramifyouareunabletostarttheWindowsoperating
system.Formoreinformation,see“PC-DoctorforRescueandRecovery”onpage50
.
AdobeReader
TheAdobeReaderprogramisatoolusedtoview,print,andsearchPDFdocuments.
See“OnlineBooksfolder”onpage53formoreinformationaboutaccessingandviewingthepublications.
Antivirussoftware
Yourcomputercomeswithantivirussoftwarethatyoucanusetodetectandeliminateviruses.Lenovo
providesafullversionofantivirussoftwareonyourharddiskdrivewithafree30-daysubscription.After30
days,youmustrenewthelicensetocontinuereceivingtheantivirusprogramupdates.
Locations
Locatingconnectorsonthefrontofyourcomputer
Figure1“Frontconnectorlocations”onpage5showsthelocationsoftheconnectorsonthefrontofyour
computer.
Figure1.Frontconnectorlocations
1USBconnector
2Headphoneconnector
3Microphoneconnector
4USBconnector
Chapter1.Productoverview5
Locatingconnectorsontherearofyourcomputer
Figure2“Rearconnectorlocations”onpage6showsthelocationsoftheconnectorsontherearofyour
computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto
connectthecablesonyourcomputer.
Figure2.Rearconnectorlocations
1Optionalserialport8VGAmonitorconnector(notapplicableonsomemodels)
2Powercordconnector
3Audioline-inconnector
4Audioline-outconnector
9USBconnectors(4)
10DisplayPortconnector(notapplicableonsomemodels)
11USBconnectors(2)
5Microphoneconnector12Ethernetconnector
6Serialport13PCIExpressx16graphicscardslot
7PS/2keyboardandmouseconnectors(optional)14PCIcardslot
ConnectorDescription
Audioline-inconnector
Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.
Audioline-outconnector
Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchas
poweredstereospeakers(speakerswithbuilt-inampliers),headphones,
multimediakeyboards,ortheaudioline-inconnectoronastereosystemorother
externalrecordingdevice.
6ThinkCentreUserGuide
ConnectorDescription
DisplayPortconnector
Ethernetconnector
MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundor
Serialport
PS/2keyboardconnector
(optional)
PS/2mouseconnector(optional)Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2
USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,
VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.
Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orother
devicesthatuseaDisplayPortconnector.
UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5
Ethernetcable.
ifyouusespeech-recognitionsoftware.
Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialport.
UsedtoattachakeyboardthatusesaPS/2keyboardconnector.
mouseconnector.
aUSBmouse,aUSBscanneroraUSBprinter.IfyouhavemorethaneightUSB
devices,youcanpurchaseaUSBhub,whichyoucanusetoconnectadditional
USBdevices.
Locatingcomponents
Figure3“Componentlocations”onpage7showsthelocationsofthevariouscomponentsinyourcomputer.
Toopenthecomputercover,see“Openingthecomputercover”onpage12
.
Figure3.Componentlocations
Chapter1.Productoverview7
1Harddiskdrive(installedinsomemodels)5Opticaldrive
2Heatsink6Memorymodule
3Internalspeaker(installedinsomemodels)
4Systemfanassembly
7Powersupplyassembly
Locatingpartsonthesystemboard
Figure4“Systemboardpartlocations”onpage8showsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartlocations
1PCIcardslot
2PCIExpressx16graphicscardslot
3Internalspeakerconnector
4Coverpresenceswitchconnector(Intrusionswitch
13Memoryslot3
14Frontpanelconnector
15PS/2keyboardandmouseconnector
16Serial(COM2)connector
connector)
5Battery17Frontaudioconnector
6Thermalsensorconnector1824-pinpowerconnector
7Microprocessorfanconnector19Powerfanconnector
8Microprocessor
94-pinpowerconnector
10Memoryslot2
11Memoryslot1
20SA TAconnectors(2)
21eSA TAconnector
22F rontUSBconnectors(2)
23ClearCMOS(ComplementaryMetalOxide
Semiconductor)/Recoveryjumper
12Memoryslot4
8ThinkCentreUserGuide
Locatinginternaldrives
Internaldrivesaredevicesthatyourcomputerusestoreadandstoredata.Y oucanadddrivestoyour
computertoincreasestoragecapacityandenableyourcomputertoreadothertypesofmedia.Your
computercomeswiththefollowingfactory-installeddrives:
•A3.5-inchharddiskdriveinbay1(installedinsomemodels)
•Anopticaldriveinbay2
Internaldrivesareinstalledinbays.Inthismanual,thebaysarereferredtoasbay1,bay2,andsoon.Figure
5“Drivebaylocations”onpage9
showsthelocationsofthedrivebays.
Figure5.Drivebaylocations
Thefollowinglistdescribesthetypeandsizeofthedrivethatyoucaninstallineachbay:
1Bay1-Maximumheight:26.1mm(1.03inches)
2Bay2-Maximumheight:41.6mm(1.64inches)Opticaldrive
3.5-inchharddiskdrive
Chapter1.Productoverview9
10ThinkCentreUserGuide
Chapter2.Installingorreplacinghardware
Thischapterprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.
Handlingstatic-sensitivedevices
Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremoved
fromthecomputerandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,can
seriouslydamagecomputercomponentsandparts.
Whenyouhandlepartsandothercomputercomponents,taketheseprecautionstoavoidstatic-electricity
damage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlepartsandothercomputercomponentscarefully.HandlePCIcards,memorymodules,
systemboards,andmicroprocessorsbytheedges.Nevertouchanyexposedcircuitry.
•Preventothersfromtouchingthepartsandothercomputercomponents.
•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingtheparttoametal
expansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwoseconds.This
reducesstaticelectricityinthepackageandyourbody.
•Whenpossible,removethenewpartfromthestatic-protectivepackaging,andinstallitdirectlyinthe
computerwithoutsettingthepartdown.Whenthisisnotpossible,placethestatic-protectivepackage
thatthepartcameinonasmooth,levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Installingorreplacinghardware
Thissectionprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.Youcanexpand
thecapabilitiesofyourcomputerandmaintainyourcomputerbyinstallingorreplacinghardware.
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Notes:
1.UseonlycomputerpartsprovidedbyLenovo.
2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe
instructionsthatcomewiththeoption.
Installingexternaloptions
Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For
someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.
Wheninstallinganexternaloption,see“Locatingconnectorsonthefrontofyourcomputer”onpage5and
“Locatingconnectorsontherearofyourcomputer”onpage6
usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnectionandinstallanysoftware
ordevicedriversthatarerequiredfortheoption.
toidentifytherequiredconnector.Then,
©CopyrightLenovo,2010
11
Openingthecomputercover
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoopenthecomputercover.
CAUTION:
Turnoffthecomputerandwaitthreetoveminutestoletthecomputercoolbeforeopening
thecomputercover.
Toopenthecomputercover,dothefollowing:
1.Removeanymediafromthedrivesandturnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercords,Input/Output(I/O)cables,andanyothercablesthatareconnectedto
thecomputer.See“Locatingconnectorsonthefrontofyourcomputer”onpage5
connectorsontherearofyourcomputer”onpage6.
4.Removeanylockingdevicethatsecuresthecomputercover,suchasanintegratedcablelock.See
“Integratedcablelock”onpage33.
5.Pressthecover-releasebuttonsonthesidesofthecomputerandpivotthecomputercoverupward.
and“Locating
Figure6.Openingthecomputercover
Accessingthesystemboardcomponentsanddrives
Thissectionprovidesinstructionsonhowtoaccessthesystemboardcomponentsanddrives.
Toaccessthesystemboardcomponentsanddrives,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage12.
12ThinkCentreUserGuide
3.Pivottheopticaldrivebayassemblyupwardtoaccesstheinternalcomponents.Onsomemodels,you
mightneedtoremovetheharddiskdrivetoaccesssomeinternalcomponents.See“Replacingthe
harddiskdrive”onpage18.
Notes:
a.Makesureyounotethelocationsofanycablesthatyoudisconnectfromthedrivesorthesystem
board.
b.Makesuretheharddiskdriveassemblyisinthelatcheddownpositionbeforeclosingthecomputer
covertopreventdamagetotheharddiskdrive.
Figure7.Pivotingtheopticaldrivebayassembly
Installingorreplacingamemorymodule
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhasfourslotsforinstallingorreplacingDDR3DIMMsthatprovideuptoamaximumof16GB
systemmemory.Wheninstallingorreplacingamemorymodule,usethefollowingguidelines:
•Use1GB,2GB,or4GBDDR3DIMMsinanycombinationuptoamaximumof16GB.
•InstallmemorymodulesinthesequenceofDIMM1,DIMM3,DIMM2,andDIMM4.See“Locating
partsonthesystemboard”onpage8
Toinstallorreplaceamemorymodule,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
.
Chapter2.Installingorreplacinghardware13
2.Openthecomputercover.See“Openingthecomputercover”onpage12.
3.Pivottheopticaldrivebayassemblyupwardtogainaccesstothememoryslots.See“Accessingthe
systemboardcomponentsanddrives”onpage12.
4.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage8.
5.Removeanypartsthatmightpreventaccesstothememoryslots.
6.Opentheretainingclips.
Figure8.Openingtheretainingclips
Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememorymodule
outofthememoryslot.
Figure9.Removingamemorymodule
7.Positionthenewmemorymoduleoverthememoryslot.Makesurethatthenotch1onthememory
modulealignscorrectlywiththeslotkey2onthesystemboard.Pushthememorymodulestraight
downintotheslotuntiltheretainingclipsclose.
14ThinkCentreUserGuide