Contents
Chapter1.Aboutthismanual......1
ImportantSafetyInformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Safetynotices................6
Chapter3.Generalinformation.....9
Specications................9
Chapter4.GeneralCheckout.....11
Chapter5.UsingtheSetupUtility...13
StartingtheLenovoBIOSSetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
Enablingordisablingadevice........15
Selectingastartupdevice..........16
Changingbootingmode...........17
ExitingtheLenovoBIOSSetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Locatingconnectors,
controlsandcomponents......21
Chapter8.Replacinghardware....25
Generalinformation.............25
Replacingthekeyboardandmouse......26
Replacingthepoweradapter.........26
Removingtherearcover...........28
Replacingthebattery............30
Replacingtheharddiskdrive.........31
Replacingthesystemfan..........34
Replacingtheheat-sink...........35
Replacingamemorymodule.........36
ReplacingtheWi-Ficard...........36
ReplacingtheI/Oboard...........37
Replacingthespeakersystem........38
ReplacingtheWindowsfunctionboard.....39
Replacingthemotherboard..........40
Replacingtheconverterboard........41
Replacingthecamera............42
ReplacingtheLEDpanelmodule.......45
Chapter9.FRUlists-Flex20.....47
Chapter10.AdditionalService
Information..............55
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