Lenovo H500 Desktop Bedienungsanleitung PDF herunterladen (Seite 5)

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

Speciﬁcations................9

Chapter4.GeneralCheckout.....11

Chapter5.UsingtheSetupUtility...13

StartingtheLenovoBIOSSetupUtilityprogram.13

Viewingandchangingsettings........13

Usingpasswords..............13

Enablingordisablingadevice........15

Selectingastartupdevice..........16

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

Removingthecomputercover........26

Removingthefrontbezel..........28

Replacinganopticaldrive..........29

Replacingtheharddiskdrive.........30

Replacingamemorymodule.........31

Replacingthegraphiccard..........32

Replacingtheheat-sinkassembly.......34

ReplacinganIntelCPU...........35

Replacingthesystemfan..........37

ReplacingthePowersupply.........40

ReplacingtheWi-Ficard...........40

Replacingthefrontcardreadermodule.....41

Replacingthemotherboard..........42

Chapter9.Generalinformation....45

AdditionalServiceInformation........45

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