Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............1
Safetyinspectionguide............2
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Chapter2.Importantservice
information..............19
StrategyforreplacingFRUs.........19
Strategyforreplacingaharddiskdriveora
solid-statedrive............19
Importantnoticeforreplacingasystem
board................20
Howtouseerrormessage........20
StrategyforreplacingFRUsforCTO,special-bid,
andstandardmodels............20
Productdefinition............20
FRUidentification............20
Chapter3.Generalcheckout.....23
Whattodofirst..............23
Checkoutguide..............24
LenovoCompanion...........24
Quicktestprograms...........24
UEFIdiagnosticprogram.........25
Bootablediagnosticprograms.......25
Powersystemcheckout...........26
Checkingtheacpoweradapter......26
Checkingtheoperationalcharging.....27
Checkingthebatterypack........27
Checkingthecoin-cellbattery.......27
Chapter4.Relatedservice
information..............29
RecoveryoverviewfortheWindows10operating
system..................29
Resettingyourcomputer.........29
Usingadvancedstartupoptions......29
RecoveringyouroperatingsystemifWindows
10failstostart.............30
CreatingandusingarecoveryUSBdrive..30
Passwords................30
Power-onpassword...........31
Harddiskpassword...........31
Supervisorpassword..........31
Howtoremovethepower-onpassword...31
Howtoremovetheharddiskpassword...32
Powermanagement............32
Sleepmode..............32
Hibernationmode...........33
Symptom-to-FRUindex...........33
Numericerrorcodes..........34
Errormessages............35
Beeperrors..............36
No-beepsymptoms...........37
LCD-relatedsymptoms.........37
Intermittentproblems..........37
Undeterminedproblems.........38
Chapter5.ConfiguringRAID.....39
StoragedriverequirementsforRAIDlevels...39
ConfiguringRAIDwiththeIntelRSTconfiguration
utility..................39
EnteringtheIntelRSTconfigurationutility..40
CreatingRAIDvolumes.........40
DeletingRAIDvolumes.........41
Resettingstoragedrivestonon-RAID....41
RebuildingRAID1volumes........42
Chapter6.Specialkeys........43
Chapter7.Locations.........45
Locatingcomputercontrols,connectors,and
indicators.................45
Frontview...............45
Sideviews..............45
Rearview...............46
Bottomview..............46
Statusindicators............46
LocatingFRUsandCRUs..........49
MajorFRUs..............50
LCDFRUs..............52
Miscellaneousparts...........54
Connectorandcableguide........55
LookingupFRUinformation.........58
Chapter8.FRUreplacement
notices................59
Screwnotices...............59
Retainingserialnumbers...........60
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