Lenovo B50-35 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

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.Replacinghardware....21

Generalinformation.............21

Replacingthekeyboardandmouse......22

Replacingthepowercord..........22

Removingthestandbase..........23

Removingthefootcover...........24

Replacingthememorymodule........25

Replacingtheharddiskdrive.........26

Replacingtheopticaldrive..........27

Removingthestandholder..........29

Removingthemiddlecover.........30

Replacingtheconverterboard........31

RemovingtheEMIcover...........32

ReplacingtheWi-Ficard...........33

ReplacingtheTVtunercard.........34

Replacingtheheat-sink...........35

ReplacingtheCPU.............36

Replacingthesystemfan..........39

Replacingthespeakersystem........40

Replacingthepowerswitchboard.......41

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

Removingthereardeco...........43

Replacingthecamera............44

ReplacingtheLEDpanelmodule.......45

Chapter8.FRUlists..........49

Chapter9.Generalinformation....57

AdditionalServiceInformation........57

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