BenutzerhandbuchInhaltsverzeichnisAbout this manual7Chapter 1. Safety information9General safety9Electrical safety10Safety inspection guide11Handling devices that are sensitive to electrostatic discharge11Grounding requirements12Safety notices (multilingual translations)12Laser compliance statement (multilingual translations)25Chapter 2. Important service information31Strategy for replacing FRUs31Strategy for replacing a hard disk drive32Important notice for replacing a system board32How to use error message32Strategy for replacing FRUs for CTO, CMV, and GAV32Product definition32FRU identification for CTO, CMV, and GAV products33Chapter 3. General checkout35What to do first35Checkout guide36Diagnostics using PC-Doctor for DOS36Lenovo ThinkVantage Toolbox38FRU tests39Power system checkout40Checking the ac adapter41Checking operational charging41Checking the battery pack41Checking the backup battery42Chapter 4. Related service information43Restoring the factory contents by using Recovery Disc Set43Passwords44Power-on password44Hard-disk password44Supervisor password45How to remove the power-on password45How to remove the hard-disk password45Power management46Screen blank mode46Sleep (standby) mode46Hibernation mode47Symptom-to-FRU index47Numeric error codes48Error messages49Beep symptoms50No-beep symptoms51LCD-related symptoms51Intermittent problems51Undetermined problems52Chapter 5. Installing and configuring RAID53Supported RAID configurations53Configuring the system UEFI BIOS to enable embedded SATA RAID functionality53Creating RAID volumes53Deleting RAID volumes54Chapter 6. Status indicators55Chapter 7. Fn key combinations59Chapter 8. FRU replacement notices63Screw notices63Retaining serial numbers64Restoring the serial number of the system unit64Retaining the UUID64Reading or writing the ECA information65Chapter 9. Removing and replacing a FRU67Before servicing ThinkPad T520, T520i, and W520681010 Battery pack681020 Serial Ultrabay Enhanced device or travel bezel691030 DIMM slot cover701040 DIMM (bottom slot)711050 Hard disk drive slot cover, hard disk drive (HDD) and HDD rubber rails or solid state drive (SSD) and storage converter731060 Keyboard751070 DIMM (upper slot)781080 PCI Express Mini Card for wireless LAN791090 PCI Express Mini Card for wireless WAN or mSATA solid state drive811100 Keyboard bezel assembly841110 Bluetooth daughter card (BDC-3.0)861120 Backup battery871130 Smart Card or Smart Card dummy spacer881140 Speaker assembly901150 Thermal module921160 CPU941170 LCD unit951180 Base cover assembly981190 I/O sub card1001200 System board assembly, magnesium structure frame, and modem daughter card (MDC)1012010 LCD bezel assembly1052020 LED sub card1062030 Integrated camera1072040 LCD cable, camera cable, LCD panel, and hinges1072050 Antenna kit and LCD rear cover assembly110Chapter 10. Locations113Front view113Rear view114Bottom view115Chapter 11. Parts list117Overall118LCD FRUs159Keyboard166Miscellaneous parts167AC adapters168Power cords169Recovery discs170Windows 7 Home Basic (32 bit) DVDs170Windows 7 Home Premium (64 bit) DVDs171Windows 7 Professional (32 bit) DVDs172Windows 7 Professional (64 bit) DVDs173Common service tools174Appendix A. Notices175Electronic emissions notices176Trademarks176Größe: 13,4 MBSeiten: 178Language: EnglishHandbuch öffnen
