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
Howtouseerrormessage........24
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................24
Productdenition............24
FRUidenticationforCTO,CMV,andGAV
products...............25
Chapter3.Generalcheckout.....27
Whattodorst..............27
Checkoutguide..............28
SystemsupportingtheLenovoThinkVantage
ToolboxprogramandthePC-DoctorforDOS
diagnosticsprogram..........28
SystemsupportingtheLenovodiagnostics
programs...............33
Powersystemcheckout...........35
Checkingtheacpoweradapter......35
Checkingoperationalcharging......36
Checkingthebatterypack........36
Checkingthebackupbattery.......36
Chapter4.Relatedservice
information..............39
RestoringthefactorycontentsbyusingProduct
Recoverydiscs..............39
RestoringthefactorycontentsbyusingRecovery
DiscSet.................39
Passwords................41
Power-onpassword...........41
Hard-diskpassword...........41
Supervisorpassword..........41
Howtoremovethepower-onpassword...41
Howtoremovethehard-diskpassword...42
Powermanagement............42
Screenblankmode...........42
Sleep(Standby)mode..........43
Hibernationmode...........43
Symptom-to-FRUindex...........44
Numericerrorcodes..........45
Errormessages............49
Beepsymptoms............50
No-beepsymptoms...........50
LCD-relatedsymptoms.........50
Intermittentproblems..........51
Undeterminedproblems.........51
Chapter5.Statusindicators.....53
Chapter6.Fnkeycombinations...55
Chapter7.FRUreplacement
notices................57
Screwnotices...............57
Retainingserialnumbers...........58
Restoringtheserialnumberofthesystem
unit.................58
RetainingtheUUID...........59
ReadingorwritingtheECAinformation...59
Chapter8.Removingandreplacinga
FRU..................61
BeforeservicingThinkPadX220andX220i
models..................61
1010Batterypack.............62
1020Harddiskdrive(HDD)andsolidstatedrive
(SSD)..................63
1030DIMM................65
1040Keyboard..............67
1050Palmrestorpalmrestwithangerprint
reader..................69
1060PCIExpressMiniCardforwireless
LAN/WiMAX................71
1070Backupbattery............73
1080PCIExpressMiniCardforwirelessWAN..74
1090Keyboardbezel............75
1100LCDassembly............77
1110Basecoverassemblyandspeaker
assembly.................80
©CopyrightLenovo2011,2012
i