Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............1
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Chapter2.Importantservice
information..............19
StrategyforreplacingFRUs.........19
Strategyforreplacingaharddiskdrive,a
solid-statedrive,oranmSATAsolid-state
drive.................20
Importantnoticeforreplacingasystem
board................20
Howtouseerrormessage........20
StrategyforreplacingFRUsforCTO,CMV ,and
GAV...................20
Productdenition............20
FRUidenticationforCTO,CMV ,andGAV
products...............21
Chapter3.Generalcheckout.....23
Whattodorst..............23
Checkoutguide..............24
LenovoSolutionCenter.........24
Quicktestprograms...........24
UEFIdiagnosticprogram.........25
Bootablediagnosticprograms.......25
Powersystemcheckout...........26
Checkingtheacpoweradapter......26
Checkingoperationalcharging......27
Checkingthebatterypack........27
Checkingthebackupbattery.......28
Chapter4.Relatedservice
information..............29
RestoringthefactorycontentsbyusingRecovery
DiscSet.................29
UsingtheWindowsrecoveryprogramsonthe
Windows8operatingsystem.........30
Passwords................31
Power-onpassword...........31
Harddiskpassword...........31
Supervisorpassword..........32
Howtoremovethepower-onpassword...32
Howtoremovethehard-diskpassword...32
Powermanagement............33
Screenblankmode(fortheWindows7
operatingsystemonly)..........33
Sleepmode..............33
Hibernationmode...........33
Symptom-to-FRUindex...........34
Numericerrorcodes..........34
Errormessages............35
Beepsymptoms............36
No-beepsymptoms...........36
LCD-relatedsymptoms.........36
Intermittentproblems..........37
Undeterminedproblems.........37
Chapter5.Statusindicators.....39
Chapter6.Fnkeycombinations...41
Chapter7.Locations.........43
Locatingcomputercontrols,connectors,and
indicators.................43
Frontview...............43
Rearview...............44
Bottomview..............44
LocatingFRUsandCRUs..........44
MajorFRUsandCRUs..........46
LCDFRUsandCRUs..........48
LookingupFRUinformation.........49
Chapter8.FRUreplacement
notices................51
Screwnotices...............51
Retainingserialnumbers...........52
Restoringtheserialnumberofthesystem
unit.................52
RetainingtheUUID...........53
ReadingorwritingtheECAinformation...53
Chapter9.Removingorreplacinga
FRU..................55
Generalguidelines.............55
RemovingtheSIMcard...........56
1010Batterypack.............56
1020Bottomslotcover...........57
1030Memorymodules...........58
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