Lenovo computer hardware 9421 Manual

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480 Pages English

Lenovo computer hardware 9421
Pages
OF
480
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
TheThinkVantageProductivityCenterprogram..29
Additionalinformationresources.......29
Specications...............29
Formachinetypes:7057,7062,7092,9342,
9344,9354,9426,9486,9624,9707,9787,
9804,9945..............29
Formachinetypes:7061,7090,9353,9421,
9485,9623,9625,9705,9786,9795,9935,
9946,9953..............29
Chapter4.GeneralCheckout.....31
Problemdeterminationtips..........31
Chapter5.Diagnostics........33
LenovoSystemToolbox...........33
PC-DoctorforWindowsPE..........33
RunningdiagnosticsfromtheRescueand
Recoveryworkspace..........33
PC-DoctorforDOS.............34
CreatingadiagnosticCDimage......34
Creatingdiagnosticdiskettes.......34
RunningdiagnosticsfromtheCDor
diskettes...............34
Navigatingthroughthediagnostics
programs...............35
Runningtests.............35
Viewingthetestlog...........36
Chapter6.UsingtheSetupUtility..39
StartingtheSetupUtilityprogram.......39
Viewingandchangingsettings........39
Usingpasswords..............39
Passwordconsiderations.........39
UserPassword.............40
AdministratorPassword.........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.............62
Miscellaneouserrormessages........63
Undeterminedproblems...........65
Chapter8.ReplacingFRUs(Types
7061,7090,9353,9421,9485,9623,
9625,9705,9786,9795,9935,9946,
9953)..................67
Locatingcontrolsandconnectorsonthefrontof
yourcomputer...............67
Rearconnectors..............67
Removingthecover............68
Locations.................69
Locatingpartsonthesystemboard......71
Removingandreplacingthefrontbezel.....71
Replacingthepowersupply.........72
Replacingthesystemboard.........73
Replacingthemicroprocessor........77
Replacingamemorymodule.........79
ReplacingaPCIadaptercard.........80
Replacingtheharddiskdrive.........82
Replacinganopticaldrive..........84
Replacingthediskettedrive.........85
Replacingtherearfanassembly........86
Replacingthefrontfanassembly.......87
Replacingthefrontaudio/USBassembly....89
Replacingthepowerswitch/LEDassembly...89
ReplacingtheCMOSbattery.........90
CompletingtheFRUreplacement.......91
Chapter9.ReplacingFRUs(Types
7057,7062,7092,9342,9344,9354,
©CopyrightLenovo2008,2010
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