Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................17
Chapter2.Importantservice
information..............23
StrategyforreplacingFRUs.........23
Strategyforreplacingaharddiskdrive...24
Importantnoticeforreplacingasystem
board................24
Howtouseerrorcodes.........24
StrategyforreplacingFRUsforCTO,CMV,and
GAVproducts...............24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............27
Checkoutguide..............28
LenovoSolutionCenter.........28
Quicktestprograms...........28
UEFIdiagnosticprogram.........29
Bootablediagnosticprograms.......29
Powersystemcheckout...........30
Checkingtheacpoweradapter......30
Checkingoperationalcharging......31
Checkingthebatterypack........31
Checkingthebackupbattery.......32
Chapter4.Relatedservice
information..............33
Restoringthefactorycontentsbyusingthe
RecoveryDiscSet.............33
UsingtheWindowsrecoveryprogramsonthe
Windows8operatingsystem.........34
Passwords................35
Power-onpassword...........35
Harddiskpassword...........35
Supervisorpassword..........36
Howtoremovethepower-onpassword...36
Howtoremovetheharddiskpassword...36
Powermanagement............37
Screenblankmode(fortheWindows7
operatingsystemonly)..........37
Sleepmode..............37
Hibernationmode...........37
Symptom-to-FRUindex...........38
Numericerrorcodes..........39
Errormessages............39
No-beepsymptoms...........40
LCD-relatedsymptoms.........40
Intermittentproblems..........40
Undeterminedproblems.........41
Chapter5.Statusindicators.....43
Chapter6.Specialkeys........45
Chapter7.Locations.........47
Locatingcomputercontrols,connectors,and
indicators.................47
Frontview...............47
Rearview...............48
Bottomview..............48
LocatingFRUsandCRUs..........48
MajorFRUsandCRUs..........50
LCDFRUsandCRUs..........52
LookingupFRUinformation.........53
Chapter8.FRUreplacement
notices................55
Screwnotices...............55
Retainingserialnumbers...........56
Restoringtheserialnumberofthesystem
unit.................56
RetainingtheUUID...........57
ReadingorwritingtheECAinformation...57
Chapter9.Removingorreplacinga
FRU..................59
Generalguidelines.............59
BeforeservicingThinkPadEdgeE430andE430c
models..................60
1010Batterypack.............60
1020Largebottomcover..........61
1030Smallbottomcover..........62
1040Opticaldriveorblankbezel.......62
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