Contents
Chapter1.Aboutthismanual.....1
ImportantSafetyInformation..........1
ImportantinformationaboutreplacingRoHS
compliantFRUs...............1
Chapter2.Safetyinformation.....3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....29
LenovoThinkVantageTools.........29
LenovoWelcome..............29
LenovoThinkVantageToolbox........29
Additionalinformationresources.......29
Specications...............30
Chapter4.GeneralCheckout.....31
Problemdeterminationtips..........31
Chapter5.Troubleshootingand
diagnostics..............33
Basictroubleshooting............33
Troubleshootingprocedure..........34
Troubleshooting..............35
Audioproblems............35
CDproblems.............36
DVDproblems.............37
Intermittentproblems..........39
Keyboard,mouse,orpointingdevice
problems...............39
Monitorproblems............41
Networkingproblems..........42
Optionproblems............45
Performanceandlockupproblems.....46
Printerproblems............47
Serialportproblems...........47
Softwareproblems...........48
USBproblems.............49
Diagnostics................49
LenovoThinkVantageToolbox.......49
PC-DoctorforDOS...........50
Chapter6.UsingtheSetupUtility
program................53
StartingtheSetupUtilityprogram.......53
Viewingandchangingsettings........53
Usingpasswords..............53
Passwordconsiderations.........53
Power-OnPassword..........54
AdministratorPassword.........54
Setting,changing,anddeletingapassword.54
Enablingordisablingadevice........54
Selectingastartupdevice..........55
Selectingatemporarystartupdevice....55
Selectingorchangingthestartupdevice
sequence...............55
ExitingfromtheSetupUtilityprogram.....55
Chapter7.Symptom-to-FRUIndex.57
Harddiskdrivebooterror..........57
PowerSupplyProblems...........57
Diagnosticerrorcodes...........58
Beepsymptoms..............75
POSTerrorcodes.............75
Miscellaneouserrorconditions........76
Undeterminedproblems...........78
Chapter8.ReplacingFRUs......79
Locatingconnectors,controls,andindicatorson
thefrontofyourcomputer..........79
Usingyourcomputerinmonitormode...81
Locatingconnectorsontherearofyour
computer.................81
FRUlocations...............82
Systemboardpartsandconnectors......84
Removingandreinstallingthesystemstandhinge
cover..................84
Removingandreinstallingthesystemstand...86
Removingandreinstallingthefootstands....88
Removingthecomputercover........91
Replacingtheharddiskdrive.........91
Replacingtheopticaldrive..........93
RemovingtheVESAmountbracket......95
ReplacingtherearI/Oassembly........96
Removingandreinstallingthesystemboard
shield..................98
Removingandreinstallingthesystemfan....99
Replacingthepowersupply.........100
Replacingthemicroprocessorfan.......102
Replacingtheheatsinkassembly.......103
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