Lenovo T430u User Manual download pdf (Page 3)

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation......1

Generalsafety................1

Electricalsafety...............2

Safetyinspectionguide............3

Handlingdevicesthataresensitivetoelectrostatic

discharge..................3

Groundingrequirements............4

Safetynotices(multilingualtranslations)......4

Chapter2.Importantservice

information..............21

StrategyforreplacingFRUs.........21

Strategyforreplacingaharddiskdrive...22

Importantnoticeforreplacingasystem

board................22

Howtouseerrormessage........22

StrategyforreplacingFRUsforCTO,CMV,and

GAV...................22

Productdenition............22

FRUidenticationforCTO,CMV,andGAV

products...............23

Chapter3.Generalcheckout.....25

Whattodorst..............25

Checkoutguide..............26

LenovoSolutionCenter.........26

Quicktestprograms...........26

UEFIdiagnosticprogram.........27

Bootablediagnosticprograms.......27

Powersystemcheckout...........28

Checkingtheacpoweradapter......28

Checkingoperationalcharging......29

Checkingthebatterypack........29

Checkingthebackupbattery.......29

Chapter4.Relatedservice

information..............31

RestoringthefactorycontentsbyusingRecovery

DiscSet.................31

Passwords................32

Power-onpassword...........32

Hard-diskpassword...........32

Supervisorpassword..........33

Howtoremovethepower-onpassword...33

Howtoremovethehard-diskpassword...33

Powermanagement............34

Screenblankmode...........34

Sleepmode..............34

Hibernationmode...........35

Symptom-to-FRUindex...........35

Numericerrorcodes..........36

Errormessages............37

No-beepsymptoms...........37

Beepsymptoms............37

LCD-relatedsymptoms.........37

Intermittentproblems..........38

Undeterminedproblems.........38

Chapter5.Statusindicators.....41

Chapter6.Functionkey

combinations.............43

Chapter7.Locations.........45

Locatingcomputercontrols,connectors,and

indicators.................45

Frontview...............45

Rearview...............46

Bottomview..............46

LocatingFRUsandCRUs..........46

MajorFRUsandCRUs..........48

LCDFRUsandCRUs..........50

LookingupFRUinformation.........51

Chapter8.FRUreplacement

notices................53

Screwnotices...............53

Retainingserialnumbers...........54

Restoringtheserialnumberofthesystem

unit.................54

RetainingtheUUID...........55

ReadingorwritingtheECAinformation...55

Chapter9.Removingorreplacinga

FRU..................57

Generalguidelines.............57

Beforeservicingthecomputer........58

DisablingthebatterypackintheUEFIBIOS.58

RemovingtheSIMcard.........58

1010Bottomcover.............58

1020Batterypack.............60

1030Harddiskdriveorsolid-statedrive

assembly.................61

1040Keyboard..............63

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