Contents
Chapter1.Aboutthismanual.....1
ImportantSafetyInformation..........1
ImportantinformationaboutreplacingRoHS
compliantFRUs...............1
Turkishstatementofcompliance........2
Chapter2.Safetyinformation.....3
Generalsafety................3
Electricalsafety...............3
Voltage-selectionswitch............5
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................6
Groundingrequirements............6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....29
Additionalinformationresources.......29
Specications...............29
Chapter4.GeneralCheckout.....31
Problemdeterminationtips..........31
Chapter5.Diagnostics........33
LenovoSystemToolbox...........33
PC-DoctorforDOS.............33
Creatingadiagnosticdisc........33
Runningthediagnosticprogramfroma
diagnosticdisc.............33
Navigatingthroughthediagnostics
programs...............34
Runningtests.............34
Viewingthetestlog...........35
Chapter6.UsingtheSetupUtility..37
StartingtheSetupUtilityprogram.......37
Viewingandchangingsettings........37
Usingpasswords..............37
Passwordconsiderations.........37
SetUserPassword...........38
SetSupervisorPassword.........38
Setting,changing,anddeletingapassword.38
Enablingordisablingadevice........38
Selectingastartupdevice..........39
Selectingatemporarystartupdevice....39
Selectingorchangingthestartupdevice
sequence...............39
ExitingfromtheSetupUtilityprogram.....39
Chapter7.Symptom-to-FRUIndex.41
Harddiskdrivebooterror..........41
PowerSupplyProblems...........41
Diagnosticerrorcodes...........42
Beepsymptoms..............59
POSTerrorcodes.............60
Miscellaneouserrormessages........61
Undeterminedproblems...........63
Chapter8.ReplacingFRUs(Type
0841)..................65
Locations.................65
Rearconnectors............65
Computercomponents.........66
Systemboardconnectors........66
Removingthecomputercover........67
Removingandreinstallingthefrontbezel....68
Replacingthepowersupplyassembly.....70
Replacingthesystemboard.........71
Replacingtheheatsinkandfanassembly....73
Replacingthemicroprocessor........74
Replacingamemorymodule.........77
Replacingtheharddiskdrive.........79
Replacingtheopticaldrive..........81
Replacingthefrontaudio/USBassembly....82
Replacingthebattery............83
CompletingtheFRUreplacement.......84
Chapter9.FRUlists.........85
MachineType0841.............85
Chapter10.AdditionalService
Information..............91
Securityfeatures..............91
HardwarecontrolledPasswords......91
Operatingsystempassword.......91
Vitalproductdata............91
BIOSlevels................91
Flashupdateprocedures..........91
Updating(ashing)BIOSfromadisc......92
Updating(ashing)BIOSfromyouroperating
system..................92
RecoveringfromaPOST/BIOSupdatefailure..92
Powermanagement............93
Automaticcongurationandpowerinterface
(ACPI)BIOS..............93
AutomaticPower-Onfeatures.......93
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