Lenovo ThinkCentre M90p User manual

ThinkCentre

UserGuide

MachineTypes:3025,3034,3131,3142,3244,3257,3307,3356,

3467,3557,3692,3853,4394,5092,5226,5296,6667,and6673

ThinkCentre

UserGuide

MachineTypes:3025,3034,3131,3142,3244,3257,3307,3356,

3467,3557,3692,3853,4394,5092,5226,5296,6667,and6673

Note

Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstandtheThinkCentre

SafetyandWarrantyGuideandAppendixA“Notices”onpage49

.

FirstEdition(October2010)

©CopyrightLenovo2010.

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.....vii

Chapter1.Productoverview......1

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

Specications................3

Softwareoverview..............4

SoftwareprovidedbyLenovo........4

AdobeReader..............6

Antivirussoftware.............6

Locations..................6

Locatingconnectorsonthefrontofyour

computer................6

Locatingconnectorsontherearofyour

computer................7

Locatingcomponents...........8

Locatingpartsonthesystemboard.....9

Chapter2.Installingorreplacing

hardware...............11

Handlingstatic-sensitivedevices.......11

Installingorreplacinghardware........11

Installingexternaloptions........11

Openingthecomputercover.......12

Removingandreinstallingthefrontbezel..12

Installingorreplacingamemorymodule...13

Replacingtheharddiskdrive.......14

Replacingtheopticaldrive........16

Replacingthebattery..........17

Replacingtheheatsink.........18

Replacingtheinternalspeaker.......19

ReplacingthefrontaudioandUSB

assembly...............20

Replacingtheacpoweradapter......21

Replacingtheacpoweradapterbracket...22

Replacingthekeyboardormouse.....25

Completingthepartsreplacement.....25

Installingsecurityfeatures..........26

Integratedcablelock..........26

Passwordprotection..........27

Erasinglostorforgottenpasswords(clearing

CMOS)................27

Chapter3.Recoveryinformation...29

Creatingandusingrecoverymedia......29

Creatingrecoverymedia.........29

Usingrecoverymedia..........30

Performingbackupandrecoveryoperations...30

Performingabackupoperation......30

Performingarecoveryoperation......31

UsingtheRescueandRecoveryworkspace...31

Creatingandusingarescuemedium......32

Creatingarescuemedium........32

Usingarescuemedium.........33

Installingorreinstallingdevicedrivers.....33

Solvingrecoveryproblems..........34

Chapter4.UsingtheSetupUtility

program................35

StartingtheSetupUtilityprogram.......35

Viewingandchangingsettings........35

Usingpasswords..............35

Passwordconsiderations.........35

Power-OnPassword..........36

AdministratorPassword.........36

HardDiskPassword...........36

Setting,changing,anddeletingapassword.36

Enablingordisablingadevice........36

Selectingastartupdevice..........37

Selectingatemporarystartupdevice....37

Selectingorchangingthestartupdevice

sequence...............37

ExitingfromtheSetupUtilityprogram.....37

Chapter5.Updatingsystem

programs...............39

Usingsystemprograms...........39

Updating(ashing)theBIOSfromadisc....39

Updating(ashing)theBIOSfromyouroperating

system..................40

RecoveringfromaPOST/BIOSupdatefailure..40

Chapter6.Troubleshootingand

diagnostics..............41

Basictroubleshooting............41

Diagnosticprograms............42

LenovoThinkVantageToolbox.......42

PC-DoctorforRescueandRecovery....43

PC-DoctorforDOS...........43

Cleaninganopticalmouse..........44

Chapter7.Gettinginformation,help,

andservice..............45

Informationresources............45

OnlineBooksfolder...........45

LenovoThinkVantageTools........45

©CopyrightLenovo2010

v

ThinkVantageProductivityCenter.....45

LenovoWelcome............46

AccessHelp..............46

SafetyandWarranty...........46

LenovoWebsite(http://www.lenovo.com)..46

Helpandservice..............47

Usingthedocumentationanddiagnostic

programs...............47

Callingforservice............47

Usingotherservices..........48

Purchasingadditionalservices......48

AppendixA.Notices.........49

Televisionoutputnotice...........50

EuropeanconformanceCEmark.......50

Trademarks................50

Index..................51

viThinkCentreUserGuide

Importantsafetyinformation

CAUTION:

Beforeusingthismanual,besuretoreadandunderstandalltherelatedsafetyinformationforthis

product.RefertotheThinkCentreSafetyandWarrantyGuidethatyoureceivedwiththisproductfor

thelatestsafetyinformation.Readingandunderstandingthissafetyinformationreducestheriskof

personalinjuryandordamagetoyourproduct.

IfyounolongerhaveacopyoftheThinkCentreSafetyandWarrantyGuide,youcanobtainaPortable

DocumentFormat(PDF)versionfromtheLenovo

®

SupportWebsiteat:

http://www.lenovo.com/support

©CopyrightLenovo2010

vii

viiiThinkCentreUserGuide

Chapter1.Productoverview

Thischapterdescribesthecomputerfeatures,specications,preinstalledsoftwareprograms,andpart

andconnectorlocations.

Features

Thissectionprovidesinformationaboutthecomputerfeatures.

Systeminformation

Thefollowinginformationcoversavarietyofmodels.Forinformationaboutyourspecicmodel,usethe

SetupUtilityprogram.SeeChapter4“UsingtheSetupUtilityprogram”onpage35

.

Microprocessor

Yourcomputercomeswithoneofthefollowingmicroprocessors(internalcachesizevariesbymodeltype):

•Intel

®

Core™i3microprocessor

•IntelCorei5microprocessor

•IntelPentium

®

microprocessor

Memory

•Supportsuptotwodoubledatarate3smalloutlinedualinlinememorymodules(DDR3SODIMMs)

Internaldrives

•Opticaldrive

•SerialAdvancedTechnologyAttachment(SATA)harddiskdrive(availableinsomemodels)

Videosubsystem

•IntegratedgraphicscardforaVideoGraphicsArray(VGA)connectorandaDisplayPortconnector

Audiosubsystem

•Integratedhigh-denition(HD)audio

•Audioline-inconnector,audioline-outconnector,andmicrophoneconnectorontherearpanel

•Microphoneconnectorandheadphoneconnectoronthefrontpanel

•Internalspeaker

Connectivity

•100/1000MbpsintegratedEthernetcontroller

•PeripheralComponentInterconnect(PCI)Faxmodem(availableinsomemodels)

Systemmanagementfeatures

•Abilitytostorepower-onself-test(POST)hardwaretestresults

•Automaticpower-onstartup

•DesktopManagementInterface(DMI)

•IntelActiveManagementTechnology(AMT)(availableonsomemodels)

©CopyrightLenovo2010

1

•IntelMatrixStorageManager

•PrebootExecutionEnvironment(PXE)

•SecureManagedClient(SMC)(somemodels)

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

•WakeonLAN

•WakeonRing

•WindowsManagementInstrumentation(WMI)

Input/Output(I/O)features

•EightUniversalSerialBus(USB)connectors(twoonthefrontpanelandsixontherearpanel)

•Ethernetconnector

•OneDisplayPortconnector

•One9-pinserialport(optional)

•OnePersonalSystem/2

®

(PS/2

®

)keyboardconnector(optional)

•OnePS/2mouseconnector(optional)

•OneVGAmonitorconnector

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

microphoneconnector)

•Twoaudioconnectorsonthefrontpanel(microphoneconnectorandheadphoneconnector)

Formoreinformation,see“Locatingconnectorsonthefrontofyourcomputer”onpage6

and“Locating

connectorsontherearofyourcomputer”onpage7.

Expansion

•Oneharddiskdrivebay

•Oneopticaldrivebay

•OnePCIcardslot

PowerSupply

•130-wattpoweradapter

•AdvancedCongurationandPowerInterface(ACPI)support

Securityfeatures

•Computrace

•Coverpresenceswitch(alsocalledintrusionswitch)

•Enablingordisablingadevice

•EnablingordisablingUSBconnectorsindividually

•Harddiskdrivepassword

•Keyboardwithngerprintreader(shippedwithsomemodels)

•Power-onpassword(POP),administratorpassword,andharddiskdrivepasswordtodeterunauthorized

useofyourcomputer

•Startupsequencecontrol

•Startupwithoutkeyboardormouse

•Supportforanintegratedcablelock(Kensingtonlock)

2ThinkCentreUserGuide

•TrustedPlatformModule(TPM)

Preinstalledsoftwareprograms

Yourcomputerispreinstalledwithsomesoftwareprogramstohelpyouworkmoreeasilyandsecurely.For

moreinformation,see“Softwareoverview”onpage4

.

Preinstalledoperatingsystem

Yourcomputerispreinstalledwithoneofthefollowingoperatingsystems:

•Microsoft

®

Windows

®

7

•MicrosoftWindowsVista

®

Operatingsystem(s),certiedortestedforcompatibility

1

(variesbymodeltype)

•Linux

®

Specications

Thissectionliststhephysicalspecicationsforyourcomputer.

1.Theoperatingsystem(s)listedherearebeingcertiedortestedforcompatibilityatthetimethispublicationgoesto

press.AdditionaloperatingsystemsmightbeidentiedbyLenovoascompatiblewithyourcomputerfollowingthe

publicationofthismanual.Thislistissubjecttochange.T odetermineifanoperatingsystemhasbeencertiedor

testedforcompatibility,checktheWebsiteoftheoperatingsystemvendor.

Chapter1.Productoverview3

Dimensions

Width:275mm(10.83inches)

Height:79mm(3.11inches)

Depth:238mm(9.37inches)

Weight

Maximumcongurationasshipped:4.18kg(9.22lbs)

Environment

•Airtemperature:

Operating:10°Cto35°C(50°Fto95°F)

Non-operating:-40°Cto60°C(-40°Fto140°F)

Non-operating:-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

Softwareoverview

Thissectiondescribesthesoftwarepreinstalledonthecomputersthathaveaninternalharddiskdrive

andanoperatingsystemfromLenovo.

SoftwareprovidedbyLenovo

ThefollowingsoftwareprogramsareprovidedbyLenovotohelpyouimproveproductivityandreducethe

costassociatedwithmaintainingyourcomputer.Softwareprogramsprovidedwithyourcomputermight

varydependingonyourcomputermodeltypeandpreinstalledoperatingsystem.

LenovoThinkVantageTools

TheLenovoThinkVantage

®

Toolsprogramguidesyoutoahostofinformationsourcesandprovideseasy

accesstovarioustoolstohelpyouworkmoreeasilyandsecurely.Formoreinformation,see“Lenovo

ThinkVantageTools”onpage45

.

4ThinkCentreUserGuide

Note:TheLenovoThinkVantageToolsprogramisonlyavailableoncomputerswiththeWindows7operating

systemfromLenovo.

ThinkVantageProductivityCenter

TheThinkVantageProductivityCenterprogramguidesyoutoahostofinformationandtoolstohelpyouset

up,understand,maintain,andenhanceyourcomputer.

Note:TheThinkVantageProductivityCenterprogramisonlyavailableoncomputerspreinstalledwith

theWindowsVistaoperatingsystemfromLenovo.

LenovoWelcome

TheLenovoWelcomeprogramintroducesyoutosomeinnovativebuilt-infeaturesofLenovoandguidesyou

throughafewimportantsetuptaskstohelpyoumakethemostofyourcomputer.

ThinkVantageRescueandRecovery

TheThinkVantageRescueandRecovery

®

programisaonebuttonrecoveryandrestoresolutionthat

includesasetofselfrecoverytoolstohelpusersdiagnosecomputerproblems,gethelp,andrecoverfrom

systemcrashesquickly,eveniftheprimaryoperatingsystemwillnotstart.

ThinkVantageClientSecuritySolution

TheThinkVantageClientSecuritySolutionprogramisavailableonselectLenovocomputers.Ithelpsprotect

yourinformation,includingvitalsecurityinformationlikepasswords,encryptionkeys,andelectronic

credentials,whileguardingagainstunauthorizeduseraccesstodata.

Note:TheThinkVantageClientSecuritySolutionprogramisonlyavailableoncomputerspreinstalledwith

theWindowsVistaoperatingsystemfromLenovo.

PasswordManager

ThePasswordManagerprogramhelpsyouautomaticallycaptureandllinauthenticationinformationfor

WindowsapplicationsandWebsites.

Note:ThePasswordManagerprogramisonlyavailableoncomputerspreinstalledwiththeWindows7

operatingsystemfromLenovo.

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.

Chapter1.Productoverview5

LenovoThinkVantageToolbox

TheLenovoThinkVantageT oolboxprogramhelpsyoumaintainyourcomputer,improvecomputingsecurity,

diagnosecomputerproblems,getfamiliarwiththeinnovativetechnologiesprovidedbyLenovo,andgetmore

informationaboutyourcomputer.See“LenovoThinkVantageToolbox”onpage42

fordetailedinformation.

PC-DoctorforRescueandRecovery

ThePC-DoctorforRescueandRecoverydiagnosticprogramispreinstalledonyourharddiskdrive.Itis

partoftheRescueandRecoveryworkspaceoneachLenovocomputertodiagnosehardwareproblems

andreportoperating-system-controlledsettingsthatcancausehardwarefailures.UsethePC-Doctorfor

RescueandRecoverydiagnosticprogramifyouareunabletostarttheWindowsoperatingsystem.See

“PC-DoctorforRescueandRecovery”onpage43

formoreinformation.

AdobeReader

TheAdobeReaderprogramisatoolusedtoview,print,andsearchPDFdocuments.

See“OnlineBooksfolder”onpage45formoreinformationaboutaccessingtheonlinebooksandthe

LenovoWebsite.

Antivirussoftware

Yourcomputercomeswithantivirussoftwarethatyoucanusetodetectandeliminateviruses.Lenovo

providesafullversionofantivirussoftwareonyourharddiskdrivewithafree30-daysubscription.After30

days,youmustrenewthelicensetocontinuereceivingtheantivirusprogramupdates.

Locations

Locatingconnectorsonthefrontofyourcomputer

Frontconnectorlocationsshowsthelocationsoftheconnectorsonthefrontofyourcomputer.

Figure1.Frontconnectorlocations

6ThinkCentreUserGuide

1USBconnector

3Microphoneconnector

2Headphoneconnector

4USBconnector

Locatingconnectorsontherearofyourcomputer

Rearconnectorlocationsshowsthelocationsoftheconnectorsontherearofyourcomputer.Some

connectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewheretoconnectthe

cablesonyourcomputer.

Figure2.Rearconnectorlocations

1VGAmonitorconnector8Cover-releasebutton

2USBconnectors(3)9PCIcardslot

3Ethernetconnector10Audioline-outconnector

4Audioline-inconnector11Microphoneconnector

5PS/2keyboardandmouseconnectors

(optional)

12USBconnectors(3)

6Serialport(optional)

13DisplayPortconnector

7Integratedcablelockslot14acpoweradapterconnector

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.

Chapter1.Productoverview7

ConnectorDescription

DisplayPortconnector

Usedtoattachahigh-performancemonitor,adirect-drivemonitor,orother

devicesthatuseaDisplayPortconnector.

Ethernetconnector

UsedtoattachanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5

Ethernetcable.

MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundor

ifyouusespeech-recognitionsoftware.

Serialport(optional)

Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea

9-pinserialport.

PS/2keyboardconnector

(optional)

UsedtoattachakeyboardthatusesaPS/2keyboardconnector.

PS/2mouseconnector(optional)Usedtoattachamouse,atrackball,orotherpointingdevicesthatuseaPS/2

mouseconnector.

USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,

aUSBmouse,aUSBscanneroraUSBprinter.IfyouhavemorethaneightUSB

devices,youcanpurchaseaUSBhub,whichyoucanusetoconnectadditional

USBdevices.

VGAmonitorconnectorUsedtoattachaVGAmonitororotherdevicesthatuseaVGAmonitorconnector.

Locatingcomponents

Figure3“Componentlocations”onpage8showsthelocationsofthevariouscomponentsinyourcomputer.

Toopenthecomputercover,see“Openingthecomputercover”onpage12

.

Figure3.Componentlocations

1Opticaldrive

5Heatsink

2Frontbezel6Memorymodule

8ThinkCentreUserGuide

3Harddiskdrive(installedinsomemodels)

7Battery

4Systemfanassembly

8Internalspeaker

Locatingpartsonthesystemboard

Figure4“Systemboardpartlocations”onpage9showsthelocationsofthepartsonthesystemboard.

Figure4.Systemboardpartlocations

1Thermalsensorconnector

10PCIcardslot

2Memoryslots(2)11FrontUSBconnector2

3Battery

12Coverpresenceswitchconnector(Intrusionswitch

connector)

4Systemfanconnector13FrontUSB,frontpanel,andfrontaudioconnector

5Internalspeakerconnector

14SATAconnector1

6Serial(COM)connector

15Microprocessorfanconnector

7SATAconnector2andeSATAconnector

164-pinpowerconnector

8PS/2keyboardandmouseconnector

17Microprocessor

9ClearCMOS(ComplementaryMetalOxide

Semiconductor)/Recoveryjumper

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“Importantsafetyinformation”

intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support

Notes:

1.UseonlycomputerpartsprovidedbyLenovo.

2.Wheninstallingorreplacinganoption,usetheappropriateinstructionsinthissectionalongwiththe

instructionsthatcomewiththeoption.

Installingexternaloptions

Youcanconnectexternaloptionstoyourcomputer,suchasexternalspeakers,aprinter,orascanner.For

someexternaloptions,youmustinstalladditionalsoftwareinadditiontomakingthephysicalconnection.

Wheninstallinganexternaloption,see“Locatingconnectorsonthefrontofyourcomputer”onpage6and

“Locatingconnectorsontherearofyourcomputer”onpage7

toidentifytherequiredconnector.Then,

usetheinstructionsthatcomewiththeoptiontohelpyoumaketheconnectionandinstallanysoftware

ordevicedriversthatarerequiredfortheoption.

11

Openingthecomputercover

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support

Thissectionprovidesinstructionsonhowtoopenthecomputercover.

CAUTION:

Turnoffthecomputerandwaitthreetoveminutestoletthecomputercoolbefore

openingthecomputercover.

Toopenthecomputercover,dothefollowing:

1.Removeallmediafromthedrives.Then,turnoffallattacheddevicesandthecomputer.

2.Disconnectallpowercordsfromelectricaloutlets.

3.Disconnectthepowercords,Input/Outputcables,andanyothercablesthatareconnectedtothe

computer.See“Locatingconnectorsonthefrontofyourcomputer”onpage6and“Locatingconnectors

ontherearofyourcomputer”onpage7

.

4.Removeanylockingdevicethatsecuresthecomputercover,suchasanintegratedcablelock.See

“Integratedcablelock”onpage26.

5.Carefullyliftandpositionthecomputerupsidedownasshownin.

6.Pivotthecover-releasebutton1ontherearofthecomputerandthenopenthecomputercoverasshown.

Figure5.Openingthecomputercover

Removingandreinstallingthefrontbezel

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support

Thissectionprovidesinstructionsonhowtoremoveandreinstallthefrontbezel.

12ThinkCentreUserGuide

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