Lenovo ThinkCentre A85 - Table of Contents

Contents
Importantsafetyinformation......v
Chapter1.Productoverview......1
Features..................1
Specications................3
Softwareoverview..............4
SoftwareprovidedwithyourWindows
operatingsystem.............4
Locations..................6
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer........6
Locatingconnectorsandpartsontherearof
yourcomputer..............7
Locatingcomponents...........8
Locatingpartsonthesystemboard....10
Locatinginternaldrives.........10
Chapter2.Installingorreplacing
hardware...............13
Handlingstatic-sensitivedevices.......13
Installingorreplacinghardware........13
Installingexternaloptions........13
Removingthecomputercover.......14
Removingandreinstallingthefrontbezel..15
InstallingorreplacingaPCIcard......17
Installingorreplacingamemorymodule...19
Replacingthebattery..........21
Replacingthepowersupplyassembly...22
Replacingtheheatsinkandfanassembly..25
Replacingthemicroprocessor.......27
Replacingtheopticaldrive........29
Replacingtheharddiskdrive.......31
Replacingthecardreader........33
ReplacingthefrontaudioandUSB
assembly...............34
Replacingtherearfanassembly......35
Replacingthekeyboard.........36
Replacingthemouse..........37
Completingthepartsreplacement.....38
Obtainingdevicedrivers...........39
Basicsecurityfeatures...........40
Integratedcablelock..........40
Padlock...............41
Passwordprotection..........41
Erasingalostorforgottenpassword(clearing
CMOS)................41
Chapter3.Recoveryinformation...43
Creatingandusingrecoverymedia......43
Creatingrecoverymedia.........43
Usingrecoverymedia..........44
Performingbackupandrecoveryoperations...44
Performingabackupoperation......44
Performingarecoveryoperation......45
UsingtheRescueandRecoveryworkspace...45
Creatingandusingarescuemedium......46
Creatingarescuemedium........46
Usingarescuemedium.........46
Installingorreinstallingdevicedrivers.....47
Solvingrecoveryproblems..........48
Chapter4.UsingtheSetupUtility
program................49
StartingtheSetupUtilityprogram.......49
Viewingorchangingsettings.........49
Usingpasswords..............49
Passwordconsiderations.........50
Power-onpassword...........50
Administratorpassword.........50
Setting,changing,ordeletingapassword..50
Enablingordisablingadevice........50
Selectingastartupdevice..........51
Selectingatemporarystartupdevice....51
Viewingorchangingthestartupdevice
sequence...............51
ExitingtheSetupUtilityprogram.......52
Chapter5.Updatingsystem
programs...............53
Usingsystemprograms...........53
Updating(ashing)theBIOSfromadisc....53
Updating(ashing)theBIOSfromyouroperating
system..................54
RecoveringfromaPOSTandBIOSupdate
failure..................54
Chapter6.Troubleshootingand
diagnosticprograms.........57
Basictroubleshooting............57
Diagnosticprograms............58
LenovoThinkVantageToolbox.......58
PC-DoctorforDOS...........58
Cleaninganopticalmouse..........59
Chapter7.Gettinginformation,help,
andservice..............61
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