5
Removal and replacement procedures for Customer Self-Repair parts
.............................................................
35
Component replacement procedures
..................................................................................................................
35
Service door
.......................................................................................................................................
36
Service door for use in standard models
........................................................................
36
Service door and rear cover for use in federal models
..................................................
37
Battery
...............................................................................................................................................
39
Battery for use in standard models
................................................................................
39
Battery for use in federal models
...................................................................................
41
Hard drive
..........................................................................................................................................
42
Hard drive for use in standard models
...........................................................................
42
Hard drive for use in federal models
..............................................................................
44
Solid-state drives (M.2)
.....................................................................................................................
48
WLAN module
....................................................................................................................................
50
WWAN module
...................................................................................................................................
52
Memory module
................................................................................................................................
54
6
Removal and replacement procedures for authorized service provider parts
....................................................
56
Component replacement procedures
..................................................................................................................
56
RTC battery
........................................................................................................................................
57
Middle frame
.....................................................................................................................................
58
Hard drive connector board and cable (federal models)
..................................................................
60
Speakers
............................................................................................................................................
62
TouchPad
...........................................................................................................................................
64
Smart Card reader board
...................................................................................................................
65
Fingerprint reader board
...................................................................................................................
67
Fans
...................................................................................................................................................
68
Discrete graphics board
....................................................................................................................
69
Display LED board
.............................................................................................................................
70
Heat sink
............................................................................................................................................
71
Keyboard
...........................................................................................................................................
75
System board
....................................................................................................................................
77
Display assembly
...............................................................................................................................
81
Top cover
...........................................................................................................................................
88
7
Troubleshooting guide
.................................................................................................................................
89
Resources
.............................................................................................................................................................
90
General troubleshooting steps
............................................................................................................................
90
Identify the issue
...............................................................................................................................
91
1. Understand the issue
..................................................................................................
91
Boot up sequence
.........................................................................................
91
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