
Contents
About this manua . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
lectrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 2
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. Genera checkout . . . . . 21
What to do first . . . . . . . . . . . . . . . 21
CRU list . . . . . . . . . . . . . . . . . . 22
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 23
Locate FRUs and CRUs . . . . . . . . . . . 23
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 27
Service tools . . . . . . . . . . . . . . . . 27
General guidelines. . . . . . . . . . . . . . 27
Remove the lower case . . . . . . . . . . . . 28
Remove the lower case (for 14–inch
models) . . . . . . . . . . . . . . . . 28
Remove the lower case (for 16–inch
models) . . . . . . . . . . . . . . . . 29
Remove the battery pack . . . . . . . . . . . 29
Remove the solid-state drive. . . . . . . . . . 31
Remove the 2242 solid-state drive, thermal
pad, and holder (for selected models) . . . . 31
Remove the 2280 solid-state drive and
thermal pad (for selected models) . . . . . . 33
Remove the Wi-Fi card . . . . . . . . . . . . 35
Remove the fan . . . . . . . . . . . . . . . 37
Remove the fan (for selected models) . . . . 37
Remove the fans (for selected models) . . . . 39
Remove the heat sink . . . . . . . . . . . . 40
Remove the I/O board . . . . . . . . . . . . 42
Remove the I/O board (for 14–inch models) . . 42
Remove the I/O board (for 16–inch models) . . 43
Remove the fingerprint reader cable, bracket and
board (for selected models) . . . . . . . . . . 45
Remove the fingerprint reader cable . . . . . 45
Remove the fingerprint reader bracket . . . . 46
Remove the fingerprint reader board . . . . . 47
Remove the system board. . . . . . . . . . . 47
Remove the system board and I/O board
cable (for 14–inch models) . . . . . . . . . 47
Remove the system board, I/O board cable,
and speaker rubber (for 16–inch models) . . . 50
Use a Golden Key U1 tool to flash-write key id
information . . . . . . . . . . . . . . . 52
Remove the speakers . . . . . . . . . . . . 53
Remove the speakers (for 14–inch models) . . 53
Remove the speakers (for 16–inch models) . . 54
Remove the LCD unit . . . . . . . . . . . . 55
Remove the LCD unit (for 14–inch models) . . 55
Remove the LCD unit (for 16–inch models) . . 57
Remove the upper case (with keyboard) . . . . . 59
Disassemble the LCD unit . . . . . . . . . . . 60
Remove the hinge cover. . . . . . . . . . 60
Remove the LCD bezel . . . . . . . . . . 61
Remove the hinges. . . . . . . . . . . . 62
Remove the LCD panel . . . . . . . . . . 63
Remove the DP cable . . . . . . . . . . 64
Remove the microphone rubbers . . . . . . 65
Remove the camera board. . . . . . . . . 66
Remove the camera cable . . . . . . . . . 67
Remove the lid board . . . . . . . . . . . 68
Remove the LCD cover . . . . . . . . . . 69
Appendix A. Labe ocations. . . . . . 71
Trademarks . . . . . . . . . . . . . . . . lxxiii
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