Lenovo 804 - page 34

4.Pivotthedrivebayassemblyupward,removethetwoscrewsthatsecuretheheatsinkfanduct,and

thenlifttheheatsinkfanductoutofthechassis.

Figure23.Removingtheheatsinkfanduct

5.Disconnectthepowersupplyassemblycablesfromalldrivesandfromthe24-pinpowerconnectorand

4-pinpowerconnectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage8.

Note:Youmightalsoneedtoreleasethepowersupplyassemblycablesfromsomecableclipsorties

thatsecurethecablestothechassis.Makesurethatyounotethecableroutingbeforedisconnecting

thecables.

28ThinkCentreUserGuide

Contents

Main Page Contents Importantsafetyinformation.....iii Chapter1.Productoverview......1 Chapter2.Installingorreplacing hardware...............11 Chapter3.Recoveryinformation...45 Chapter4.UsingtheSetupUtility program................51 AppendixA.Notices..........69 Index..................73 ii Importantsafetyinformation Page Chapter1.Productoverview Features Page Specications Softwareoverview SoftwareprovidedwithyourWindowsoperatingsystem SoftwareprovidedbyLenovo LenovoThinkVantageToolbox PC-DoctorforRescueandRecovery AdobeReader Antivirussoftware Locations Locatingconnectors,controls,andindicatorsonthefrontofyour computer Locatingconnectorsandpartsontherearofyourcomputer Locatingcomponents Locatingpartsonthesystemboard Locatinginternaldrives Page Chapter2.Installingorreplacinghardware Handlingstatic-sensitivedevices Installingorreplacinghardware Installingexternaloptions Removingthecomputercover Removingandreinstallingthefrontbezel Accessingthesystemboardcomponentsanddrives InstallingorreplacingaPCIcard Page Page Installingorreplacingamemorymodule Page Replacingthebattery Replacingtheheatsinkandfanassembly Page Page Replacingthemicroprocessor Page Page Replacingthepowersupplyassembly Page Page Page Replacingtheopticaldrive Page Page Replacingtheharddiskdrive Page Page Replacingthefrontfanassembly Page ReplacingtheUSBkeyboardormouse Completingthepartsreplacement Obtainingdevicedrivers Basicsecurityfeatures Integratedcablelock Padlock Passwordprotection Erasingalostorforgottenpassword(clearingCMOS) Page Chapter3.Recoveryinformation Creatingandusingrecoverymedia Creatingrecoverymedia Usingrecoverymedia Performingbackupandrecoveryoperations Performingabackupoperation Performingarecoveryoperation UsingtheRescueandRecoveryworkspace Creatingandusingarescuemedium Creatingarescuemedium Usingarescuemedium Installingorreinstallingdevicedrivers Solvingrecoveryproblems Chapter4.UsingtheSetupUtilityprogram StartingtheSetupUtilityprogram Viewingorchangingsettings Usingpasswords Passwordconsiderations Power-onpassword Administratorpassword Setting,changing,ordeletingapassword Enablingordisablingadevice Selectingastartupdevice Selectingatemporarystartupdevice Viewingorchangingthestartupdevicesequence ExitingtheSetupUtilityprogram Chapter5.Updatingsystemprograms Usingsystemprograms Updating(ashing)theBIOSfromadisc Updating(ashing)theBIOSfromyouroperatingsystem RecoveringfromaPOSTandBIOSupdatefailure Page Page Chapter6.Troubleshootinganddiagnosticprograms Basictroubleshooting Diagnosticprograms LenovoThinkVantageT oolbox PC-DoctorforRescueandRecovery PC-DoctorforDOS Creatingadiagnosticdisc Runningthediagnosticprogramfromthediagnosticdisc Cleaninganopticalmouse Page Chapter7.Gettinginformation,help,andservice Informationresources OnlineBooksfolder LenovoThinkVantageT ools ThinkVantageProductivityCenter LenovoWelcome AccessHelp Safetyandwarranty LenovoWebsite(http://www.lenovo.com) LenovoSupportWebsite Helpandservice Usingthedocumentationanddiagnosticprograms Callingforservice Usingotherservices Purchasingadditionalservices Page AppendixA.Notices Televisionoutputnotice EuropeanconformanceCEmark Trademarks Additionalregulatoryinformation RecyclinginformationforBrazil BatteryrecyclinginformationforT aiwan Batteryr ecyclinginformationfortheEuropeanUnion Page Index A B C D K L 74 M N T U V W