Contents
Chapter1.Aboutthismanual......1
Importantsafetyinformation..........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....33
LenovoWelcome..............33
LenovoThinkVantageTools.........33
LenovoSolutionCenter...........33
SimpleTap................33
Additionalinformationresources.......34
Specications...............34
Formachinetypes:3114,3121,3123,and
3127.................34
Formachinetypes:3120,3122,3126,and
3128.................35
Chapter4.Generalcheckout.....37
Problemdeterminationtips..........37
Chapter5.Diagnosticprograms...39
LenovoThinkVantageToolbox........39
LenovoSolutionCenter...........39
PC-DoctorforDOS.............40
Creatingadiagnosticdisc........40
Runningthediagnosticprogramfromthe
diagnosticdisc.............40
Navigatingthroughthediagnosticprograms.40
Runningtests.............40
Viewingthetestlog...........42
Chapter6.UsingtheSetupUtility
program................43
StartingtheSetupUtilityprogram.......43
Viewingorchangingsettings.........43
Usingpasswords..............43
Passwordconsiderations.........44
Power-onpassword...........44
Administratorpassword.........44
Setting,changing,ordeletingapassword..44
Enablingordisablingadevice........44
Selectingastartupdevice..........45
Selectingatemporarystartupdevice....45
Viewingorchangingthestartupdevice
sequence...............45
ExitingtheSetupUtilityprogram.......46
Chapter7.Symptom-to-FRUindex..47
Harddiskdrivebooterror..........47
Powersupplyproblems...........47
Diagnosticerrorcodes...........47
Beepsymptoms..............65
POSTerrorcodes.............65
Miscellaneouserrormessages........67
Undeterminedproblems...........69
Chapter8.ReplacingFRUs(Machine
Types:3114,3121,3123,and3127.).71
Locations.................71
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......72
Locatingconnectorsandpartsontherearof
yourcomputer.............73
Locatingcomponents..........75
Locatingpartsonthesystemboard....76
Locatinginternaldrives.........76
Handlingstatic-sensitivedevices.......77
Installingorreplacinghardware........78
Removingthecomputercover.......78
Removingandreinstallingthefrontbezel..79
InstallingorreplacingaPCIcard......80
Installingorreplacingamemorymodule...83
Installingorreplacingtheopticaldrive...85
Installingorreplacingthecardreader....87
Replacingthebattery..........91
Replacingthepowersupplyassembly...92
Replacingtheheatsinkandfanassembly..94
Replacingthemicroprocessor.......96
Replacingthesystemboard.......98
Replacingtheprimaryharddiskdrive....100
Replacingthesecondaryharddiskdrive...102
ReplacingtheFrontfanassembly.....104
Replacingtherearfanassembly......105
ReplacingthefrontaudioandUSB
assembly...............107
Replacingtheinternalspeaker.......108
Completingthepartsreplacement.....110
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