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
Passwords................30
Power-onpassword...........30
Harddiskpassword...........30
Supervisorpassword..........31
Howtoremovethepower-onpassword...31
Howtoremovethehard-diskpassword...31
Powermanagement............32
Screenblankmode...........32
Sleepmode..............32
Hibernationmode...........32
Symptom-to-FRUindex...........33
Numericerrorcodes..........34
Errormessages............35
Beepsymptoms............35
No-beepsymptoms...........35
LCD-relatedsymptoms.........36
Intermittentproblems..........36
Undeterminedproblems.........36
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
1040Harddiskdriveorsolid-statedrive
assembly.................59
1050PCIExpressMiniCardforwirelessLAN..60
©CopyrightLenovo2012i