BenutzerhandbuchInhaltsverzeichnisAbout this manual5Chapter 1. Safety information7General safety7Electrical safety8Safety inspection guide9Handling devices that are sensitive to electrostatic discharge9Grounding requirements10Safety notices (multilingual translations)10Chapter 2. Important service information25Strategy for replacing FRUs25Strategy for replacing a hard disk drive26Important notice for replacing a system board26How to use error message26Strategy for replacing FRUs for CTO, CMV, and GAV26Product definition26FRU identification for CTO, CMV, and GAV products27Chapter 3. General checkout29What to do first29Checkout guide30Diagnostics using PC-Doctor for DOS30Lenovo ThinkVantage Toolbox32FRU tests33Power system checkout34Checking the ac power adapter34Checking operational charging35Checking the battery pack35Checking the backup battery36Chapter 4. Related service information37Restoring the factory contents by using Recovery Disc Set37Passwords38Power-on password38Hard disk password38Supervisor password39How to remove the power-on password39How to remove the hard-disk password39Power management40Screen blank mode40Sleep (standby) mode40Hibernation mode41Symptom-to-FRU index41Numeric error codes42Error messages43Beep symptoms43No-beep symptoms43LCD-related symptoms44Intermittent problems44Undetermined problems45Chapter 5. Status indicators47Chapter 6. Fn key combinations49Chapter 7. FRU replacement notices51Screw notices51Retaining serial numbers52Restoring the serial number of the system unit52Retaining the UUID53Reading or writing the ECA information53Chapter 8. Removing and replacing a FRU55Before servicing ThinkPad X121e models551010 Battery pack561020 Bottom slot cover571030 Memory modules581040 Hard disk drive or solid state drive assembly591050 PCI Express Mini Card for wireless LAN601060 PCI Express Mini Card for wireless WAN621070 Keyboard631080 Power sub card and microphone651090 Top case assembly661100 Bluetooth daughter card681110 Speaker assembly691120 I/O board701130 System board assembly, fan assembly, and backup battery711140 CRT board assembly (with cable)731150 DC-in sub card and base cover assembly742010 LCD unit772020 LCD bezel assembly792030 Integrated camera802040 LCD panel, LCD cable, and hinges812050 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly82Chapter 9. Locations85Front view85Rear view86Bottom view86Chapter 10. Parts list87Overall88LCD FRUs96Keyboard100Miscellaneous parts101ac power adapters101Power cords102Recovery discs103Windows XP Professional (32-bit) DVDs103Windows Vista Business (32-bit) DVDs103Windows 7 Home Basic (32-bit) DVDs104Windows 7 Home Premium (32-bit) DVDs104Windows 7 Home Premium (64-bit) DVDs105Windows 7 Professional (32-bit) DVDs105Windows 7 Professional (64-bit) DVDs106Windows 7 Ultimate (32-bit) DVDs107Windows 7 Ultimate (64-bit) DVDs107Windows 7 Starter (32-bit) DVDs107Common service tools108Appendix A. Notices109Electronic emissions notices110Trademarks110Größe: 14,2 MBSeiten: 112Language: EnglishHandbuch öffnen