Lenovo K450e Desktop Manual de usuario descargar pdf (Pagina 3)

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.Locations.........21

Identifyinginternalcomponents........21

Identifyingpartsonthesystemboard......21

Chapter8.Replacinghardware....23

Generalinformation.............23

Replacingthekeyboardandmouse......24

Removingthecomputercover........24

Removingthefrontbezel..........25

Replacingamemorymodule.........26

Replacingaharddiskdrive..........27

Replacinganopticaldrive..........28

Replacingagraphicscard..........29

ReplacingthePowersupply.........30

Replacingthemicroprocessorfan.......31

Replacingtheheat-sink...........32

ReplacingtheCPU.............33

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

Replacingthemotherboard..........36

FRUlists.................37

Chapter9.Generalinformation....45

AdditionalServiceInformation........45

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