Lenovo H520s User Manual download pdf (Page 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

Specications................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....27

Generalinformation.............27

Replacingthekeyboardandmouse......28

Removingthecomputercover........28

Removingthefrontbezel..........29

Replacinganopticaldrive..........30

Replacingtheharddiskdrive.........32

Replacingamemorymodule.........33

ReplacingthePowersupply.........34

Replacingthegraphiccard..........35

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

Replacingthemicroprocessorfan.......37

Replacingtheheat-sink...........38

ReplacingtheCPU.............39

ReplacingtheWi-Ficard...........41

ReplacingthefrontUSB/cardreader/audio

module.................42

Replacingthemotherboard..........43

FRUlists.................45

Chapter9.Generalinformation....53

AdditionalServiceInformation........53

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