
Contents
About this manual . . . . . . . . . . . . iii
Chapter . Safety information . . . . . .
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
afety inspection guide. . . . . . . . . . . . . 2
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
afety notices (multilingual translations) . . . . . . 4
Chapter 2. General checkout . . . . . 2
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 . . . . . . . . . . . . . . . . . . 33
ervice tools . . . . . . . . . . . . . . . . 33
General guidelines. . . . . . . . . . . . . . 33
Removal procedure for ThinkBook 13s G2 ARE
and ThinkBook 14s G2 ARE . . . . . . . . . . 35
Remove the lower case . . . . . . . . . . 35
Remove the battery pack . . . . . . . . . 36
Remove the solid-state drive ( D) . . . . . 36
Remove the heat sink. . . . . . . . . . . 37
Remove the fans . . . . . . . . . . . . 38
Remove the I/O bracket (right) . . . . . . . 39
Remove the I/O bracket (left) . . . . . . . . 41
Remove the I/O board . . . . . . . . . . 42
Remove the fingerprint board module . . . . 43
Remove the speakers. . . . . . . . . . . 44
Remove the touchpad with cable . . . . . . 45
Remove the system board and the I/O board
cable . . . . . . . . . . . . . . . . . 47
Remove the LCD unit . . . . . . . . . . . 48
Remove the upper case (with keyboard) . . . 50
Disassemble the LCD unit . . . . . . . . . 50
Removal procedure for ThinkBook 13s G2 ITL and
ThinkBook 14s G2 ITL . . . . . . . . . . . . 58
Remove the lower case . . . . . . . . . . 58
Remove the battery pack . . . . . . . . . 59
Remove the solid-state drive ( D) module . . 59
Remove the heat sink. . . . . . . . . . . 60
Remove the fans . . . . . . . . . . . . 61
Remove the I/O bracket (right) . . . . . . . 63
Remove the I/O bracket (left) . . . . . . . . 64
Remove the I/O board . . . . . . . . . . 65
Remove the fingerprint board module . . . . 66
Remove the speakers. . . . . . . . . . . 67
Remove the touchpad with cable . . . . . . 68
Remove the system board and the I/O board
cable . . . . . . . . . . . . . . . . . 69
Remove the LCD unit . . . . . . . . . . . 71
Remove the upper case (with keyboard) . . . 72
Disassemble the LCD unit . . . . . . . . . 72
Appendix A. Label locations. . . . . . 85
Trademarks . . . . . . . . . . . . . . . lxxxvii
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