Lenovo C240 All-in-One 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

Specications................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....27

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

Replacingthekeyboardandmouse......28

Replacingtheopticaldrive..........28

Replacingthepoweradapter.........30

Removingtherearcover...........31

Replacingamemorymodule.........32

Replacingtheharddiskdrive.........32

Replacingtheheat-sink...........33

Replacingthesystemfan..........34

ReplacingtheWi-Ficard...........35

Replacingthespeakersystem........36

Replacingthefrontindicatorboard.......37

Replacingthepowerswitchboard.......38

Replacingthemotherboard..........39

Replacingthecomputerstand........41

Replacingthecamera............41

Replacingtheconverterboard........42

ReplacingtheLEDpanel...........43

Chapter9.FRUlists-C240–245....47

Chapter10.FRUlists-C255......51

Chapter11.AdditionalService

Information..............57

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