Contents
Chapter1.Aboutthismanual......1
Importantsafetyinformation..........1
ImportantinformationaboutreplacingRoHS
compliantFRUs...............1
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
LenovoThinkVantageTools.........29
LenovoWelcome..............29
LenovoSolutionCenter...........29
SimpleTap................29
Additionalinformationresources.......29
Specications...............30
Formachinetype:7536.........30
Chapter4.Generalcheckout.....31
Problemdeterminationtips..........32
Chapter5.Diagnostics........33
LenovoThinkVantageToolbox........33
LenovoSolutionCenter...........33
PC-DoctorforRescueandRecovery......34
PC-DoctorforDOS.............34
Creatingadiagnosticdisc........34
Runningthediagnosticprogramfroma
diagnosticdisc.............34
Navigatingthroughthediagnostics
programs...............35
Runningtests.............35
Viewingthetestlog...........36
Chapter6.UsingtheSetupUtility
program................39
StartingtheSetupUtilityprogram.......39
Viewingandchangingsettings........39
Usingpasswords..............39
Passwordconsiderations.........39
Power-OnPassword..........40
AdministratorPassword.........40
HardDiskPassword...........40
Setting,changing,anddeletingapassword.40
Enablingordisablingadevice........40
Selectingastartupdevice..........41
Selectingatemporarystartupdevice....41
Selectingorchangingthestartupdevice
sequence...............41
ExitingfromtheSetupUtilityprogram.....41
Chapter7.Symptom-to-FRUindex..43
Harddiskdrivebooterror..........43
PowerSupplyProblems...........43
Diagnosticerrorcodes...........44
Beepsymptoms..............61
POSTerrorcodes.............61
Miscellaneouserrormessages........63
Undeterminedproblems...........64
Chapter8.ReplacingFRUs(Machine
type:7536)..............67
Locatingconnectorsonthefrontofthecomputer.67
Locatingconnectorsontherearofthecomputer.67
Openingthecomputercover.........68
Locatingcomponents............69
Locatingpartsonthesystemboard......70
Replacingthebattery............71
Replacingamemorymodule.........73
ReplacingaPCIcard............74
Replacingthepowersupplyassembly.....76
Replacingtheheatsink...........78
Replacingthemicroprocessor........79
Replacingthesystemboard.........82
Replacingtheharddiskdrive.........84
Replacingtheopticaldrive..........86
Replacingtheinternalspeaker........87
ReplacingthefrontaudioandUSBassembly..90
Replacingthesystemfan..........91
Completingthepartsreplacement.......93
Chapter9.FRUlists..........95
MachineType7536.............95
Chapter10.Additionalservice
information..............97
Securityfeatures..............97
Hardware-controlledpasswords......97
Operatingsystempassword.......97
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