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About this manual ... iii Chapter 1. Safety information ... 1 General safety ... 1 Electrical safety ... 2 Safety inspection guide ... 3 Handling devices that are sensitive to electrostatic discharge ... 3 Grounding requirements ... 4 Safety notices - multilingual translations ... 4 Chapter 2. Important service information ... 19 Strategy for replacing FRUs ... 20 Important notice for replacing a system board ... 20 How to use error codes ... 20 Strategy for replacing FRUs for CTO, CMV, and GAV ... 20 Product definition ... 20 FRU identification for CTO, CMV, and GAV products ... 21 Chapter 3. General checkout ... 23 What to do first ... 23 Checkout guide ... 24 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program ... 24 System supporting the Lenovo diagnostics programs ... 29 Power system checkout ... 31 Checking the ac power adapter ... 31 Checking operational charging ... 32 Checking the battery pack ... 32 Checking the backup battery ... 33 Chapter 4. Related service information ... 35 Restoring the factory contents by using Recovery Disc Set ... 35 Passwords ... 36 Power-on password ... 36 Hard-disk password ... 36 Supervisor password ... 37 Power management ... 38 Screen blank mode ... 38 Sleep or standby mode ... 38 Hibernation mode ... 39 Symptom-to-FRU index ... 39 Numeric error codes ... 40 Error messages ... 42 No-beep symptoms ... 42 LCD-related symptoms ... 42 Intermittent problems ... 43 Undetermined problems ... 43 Chapter 5. Status indicators ... 47 Chapter 7. FRU replacement notices ... 49 Screw notices ... 49 Retaining serial numbers ... 50 Restoring the serial number of the system unit ... 50 Retaining the UUID ... 51 Chapter 8. Removing and replacing a FRU ... 53 Before servicing ThinkPad X100e and ThinkPad X120e ... 53 1010 Battery pack ... 54 1020 Bottom door ... 55 1030 Hard disk drive (HDD) ... 58 1040 DIMM ... 60 1050 PCI Express Mini Card for wireless LAN . . 60 1060 PCI Express Mini Card for wireless WAN . . 61 1070 Bluetooth daughter card (BDC-2) ... 62 1080 Keyboard ... 64 1090 Palm rest assembly, power-on board assembly (with cable), and microphone ... 67 1100 CRT board assembly (with cable) ... 71 1110 Speaker assembly ... 72 1120 I/O board (for(ThinkPad X120e) ... 73 1130 System board, fan assembly, and backup battery ... 74 1140 LCD unit ... 82 2010 LCD bezel assembly ... 84 2020 Integrated camera ... 85 2030 LCD panel, hinges, and LCD cable ... 86 2090 Antenna kit and LCD rear cover assembly . . 88 Chapter 9. Locations ... 91 Front view ... 91 Rear view ... 92 Bottom view ... 92 Chapter 10. Parts list ... 93 Overall ... 94 LCD FRUs ... 108 Keyboard ... 111 AC adapters ... 112 Miscellaneous parts ... 112 Power cords ... 113 Recovery discs ... 114 Windows 7 Starter (32 bit) DVDs ... 114 Windows 7 Home Basic (32 bit) DVDs ... 115 Windows 7 Home Premium (32 bit) DVDs . . 116 Windows 7 Home Premium (64 bit) DVDs . . 117 Windows 7 Professional (32 bit) DVDs ... 118 Windows 7 Professional (64 bit) DVDs ... 119 Windows 7 Ultimate (32 bit) DVDs ... 120 Windows 7 Ultimate (64 bit) DVDs ... 121 Windows Vista Home Basic (32 bit) DVDs . . 121 Common service tools ... 121 Appendix A. Notices ... 123 Trademarks ... 124