Lenovo ThinkPad Edge E531 Hardware Maintenance Manual

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
Strategyforreplacingaharddiskdriveora
solid-statedrive............24
Importantnoticeforreplacingasystem
board................24
Howtouseerrorcodes.........24
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............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
RecoveryoverviewfortheWindows8operating
system..................34
Refreshingyourcomputer........34
Resettingyourcomputertothefactorydefault
settings................34
Usingtheadvancedstartupoptions....35
RecoveringyouroperatingsystemifWindows
8failstostart.............35
Creatingandusingrecoverymedia.....35
Passwords................36
Power-onpassword...........36
Harddiskpassword...........36
Supervisorpassword..........37
Howtoremovethepower-onpassword...37
Howtoremovetheharddiskpassword...38
Powermanagement............38
Screenblankmode(fortheWindows7
operatingsystemonly)..........38
Sleepmode..............38
Hibernationmode...........39
Symptom-to-FRUindex...........39
Numericerrorcodes..........40
Errormessages............41
Beepsymptoms............42
No-beepsymptoms...........42
LCD-relatedsymptoms.........42
Intermittentproblems..........43
Undeterminedproblems.........43
Chapter5.Statusindicators.....45
Chapter6.Specialkeys........47
Chapter7.Locations.........49
Locatingcomputercontrols,connectors,and
indicators.................49
Frontview...............49
Rearview...............50
Bottomview..............50
LocatingFRUsandCRUs..........50
MajorFRUsandCRUs..........52
LCDFRUsandCRUs..........54
MiscellaneouskitsandotherFRUs.....55
LookingupFRUinformation.........55
Chapter8.FRUreplacement
notices................57
Screwnotices...............57
Retainingserialnumbers...........58
Restoringtheserialnumberofthesystem
unit.................58
RetainingtheUUID...........59
ReadingorwritingtheECAinformation...59
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Lenovo ThinkPad Edge E531 Specifications

General

Brand	Lenovo
Model	ThinkPad Edge E531
Category	Laptop
Language	English