IBM X121E Aboutthismanual

Aboutthismanual

ThismanualcontainsserviceandreferenceinformationforthefollowingThinkPad®products.

ThinkPadX121e

Machinetypes(MT)3045,3048,3049,3051,3053,3055

Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems.

Important:

ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithThinkPadproducts.Use

thismanualalongwiththeadvanceddiagnosticteststotroubleshootproblemseffectively .

BeforeservicingaThinkPadproduct,besuretoreadalltheinformationunderChapter1“Safety

information”onpage1andChapter2“Importantserviceinformation”onpage19.

Contents

Main Page Contents Aboutthismanual...........iii Chapter1.Safetyinformation.....1 Chapter2.Importantservice information..............19 Chapter3.Generalcheckout.....23 Chapter4.Relatedservice information..............31 Chapter9.Locations.........79 Chapter10.Partslist.........81 ii AppendixA.Notices........103 Aboutthismanual Page Chapter1.Safetyinformation Generalsafety Electricalsafety Safetyinspectionguide Handlingdevicesthataresensitivetoelectrostaticdischarge Groundingrequirements Safetynotices(multilingualtranslations) Page Page Page Page Page Page Page Page Page Page Page Page Page Page Chapter2.Importantserviceinformation StrategyforreplacingFRUs Strategyforreplacingaharddiskdrive Importantnoticeforreplacingasystemboard Howtouseerrormessage StrategyforreplacingFRUsforCTO,CMV ,andGAV Productdenition FRUidenticationforCTO,CMV,andGAVproducts Page Chapter3.Generalcheckout Whattodorst Checkoutguide DiagnosticsusingPC-DoctorforDOS Testingthecomputer DetectingsysteminformationwithPC-Doctor LenovoThinkVantageT oolbox FRUtests Powersystemcheckout Checkingtheacpoweradapt er Checkingoperationalcharging Checkingthebatterypack Checkingthebackupbattery Chapter4.Relatedserviceinformation RestoringthefactorycontentsbyusingRecoveryDiscSet Passwords Power-onpassword Harddiskpassword Supervisorpassword Howtoremovethepower-onpassword Howtoremovethehard-diskpassword Powermanagement Screenblankmode Sleep(standby)mode Hibernationmode Symptom-to-FRUindex Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadNotebooks,seethemanualfor thatdevice. Numericerrorcodes 36 Errormessages Beepsymptoms No-beepsymptoms LCD-relatedsymptoms Intermittentproblems Undeterminedproblems Page Chapter5.Statusindicators Thischapterpresentsthesystemstatusindicatorsthatshowthestatusofthecomputer . Page Chapter6.Fnkeycombinations ThefollowingtableshowsthefunctionofeachcombinationofFnwithafunctionkey. 44 Chapter7.FRUreplacementnotices Screwnotices Retainingserialnumbers Restoringtheserialnumberofthesystemunit RetainingtheUUID ReadingorwritingtheECAinformation Page Chapter8.RemovingandreplacingaFRU BeforeservicingThinkPadX121emodels 1010Batterypack 50 1020Bottomslotcover 1030Memorymodules 1040Harddiskdriveorsolidstatedriveassembly 1050PCIExpressMiniCardforwirelessLAN Page 1060PCIExpressMiniCardforwirelessWAN Foraccess,removetheseFRUsinorder: 1010Batterypackonpage50 1020Bottomslotcoveronpage51 56 1070Keyboard 58 1080Powersubcardandmicrophone 1090T opcaseassembly Page 1100Bluetoothdaughtercard 1110Speakerassembly 1120I/Oboard 1130Systemboardassembly,fanassembly,andbackupbattery 66 1140CRTboardassembly(withcable) 1150DC-insubcardandbasecoverassembly Page Page 2010LCDunit 72 2020LCDbezelassembly 2030Integratedcamera 2040LCDpanel,LCDcable,andhinges 2050WirelessLANantennaassembly,wirelessWANantennaassembly, andL CDrearcoverassembly Page 78 Chapter9.Locations ThischapterpresentsthelocationsoftheThinkPadX121ehardwarecomponents. Frontview Rearview Bottomview 80 Chapter10.Partslist Overall 82 Page 84 Page 86 Page 88 Page LCDFRUs Page 92 Page Keyboard 94 Miscellaneousparts acpoweradapters Powercords AThinkPadpowercordforaspeciccountryorregionisusuallyavailableonlyinthatcountryorregion: 96 Recoverydiscs WindowsXPProfessional(32-bit)DVDs WindowsVistaBusiness(32-bit)DVDs Windows7HomeBasic(32-bit)DVDs Windows7HomePr emium(32-bit)DVDs Windows7HomePremium(64-bit)DVDs Windows7Professional(32-bit)DVDs Windows7Professional(64-bit)DVDs Windows7Ultimate(32-bit)DVDs Windows7Ultimate(64-bit)DVDs Windows7Starter(32-bit)DVDs Commonservicetools 102 AppendixA.Notices Electronicemissionsnotices Trademarks