Lenovo ThinkCentre M90p User Guide [en, ar, bg, cs, da, de, el, es, fi, fr, he, hr, hu, id, it, ko, nl, pl, pt, ro, ru, sk, sl, sr, sv, th, tr, uk, zc, zh]

ThinkCentre UserGuide
MachineType:7536
ThinkCentre UserGuide
MachineType:7536
Note
Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandtheThinkCentre SafetyandWarrantyGuideandAppendixA“Notices”onpage57
FirstEdition(November2010)
©CopyrightLenovo,2010.
LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivateexpenseandare soldtogovernmentalentitiesascommercialitemsasdenedby48C.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
Specications................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,specications,preinstalledsoftwareprograms,andpart andconnectorlocations.

Features

Thissectionprovidesinformationaboutthecomputerfeatures.
Systeminformation
Thefollowinginformationcoversavarietyofmodels.Forinformationaboutyourspecicmodel,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-denition(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
•Keyboardwithngerprintreader(shippedwithsomemodels)
•Power-OnPassword(POP)andAdministratorPasswordforBIOSaccess
•Startupsequencecontrol
•Startupwithoutkeyboardormouse
•Supportforanintegratedcablelock(Kensingtonlock)
•T rustedPlatformModule(TPM)
Preinstalledsoftwareprograms
Yourcomputerispreinstalledwithsomesoftwareprogramstohelpyouworkmoreeasilyandsecurely.For moreinformation,see“Softwareoverview”onpage4
2ThinkCentreUserGuide
Preinstalledoperatingsystem
YourcomputerispreinstalledwiththeMicrosoft
Operatingsystem(s),certiedortestedforcompatibility
•Linux
®
®
Windows
®
1
Specications
Thissectionliststhephysicalspecicationsforyourcomputer.
Dimensions
Width:317mm(12.48inches)
Height:99mm(3.9inches)
Depth:355mm(13.98inches)
Weight
Maximumcongurationasshipped: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)listedherearebeingcertiedortestedforcompatibilityatthetimethispublicationgoesto press.AdditionaloperatingsystemsmightbeidentiedbyLenovoascompatiblewithyourcomputerfollowingthe publicationofthismanual.Thislistissubjecttochange.Todetermineifanoperatingsystemhasbeencertiedor 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
ThePasswordManagerprogramautomaticallycapturesandllsinauthenticationinformationforWindows applicationsandWebsites.
PowerManager
ThePowerManagerprogramprovidesconvenient,exible,andcompletepowermanagementforyour ThinkCentre®computer.ByusingthePowerManagerprogram,youcanadjustyourpowersettingsto achievethebestbalancebetweensystemperformanceandpowersaving.
ProductRecovery
TheProductRecoveryprogramenablesyoutorestorethecontentsoftheharddiskdrivetothefactory defaultsettings.
FingerprintSoftware
Theintegratedngerprintreaderprovidedonsomekeyboardsenablesyoutoenrollyourngerprintand associateitwithyourpower-onpassword,harddiskdrivepassword,andWindowspassword.Asaresult, ngerprintauthenticationcanreplacepasswordsandenablesimpleandsecureuseraccess.Angerprint 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

3
4
5
6
7
8
3
4
5
6
7
8
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-inampliers),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:
Turnoffthecomputerandwaitthreetoveminutestoletthecomputercoolbeforeopening
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
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