Lenovo 11A9000DGE, Hardware Maintenance Manual

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Number Description Self-service CRU Optional-service CRU
1
Computer cover
Yes No
2
Wi-Fi card shield* No Yes
3
Memory module Yes No
4
Microprocessor No No
5
System board No No
6
Coin-cell battery
Yes No
7
Wi-Fi card* No Yes
8
M.2 solid-state drive* Yes No
9
M.2 solid-state drive bracket* Yes No
10
Secondary storage drive bracket Yes No
11
Secondary storage drive (a 2.5- inch storage
drive) Yes No
12
Internal speaker* No No
13
Card reader* No No
14
Optical drive cable* No No
15
Power button board No No
16
Front I/O bracket No No
17
Optical drive bracket*
Yes No
18
Thermal sensor No No
19
ThinkCentre LED dot No No
20
Optical drive* Yes No
21
Keyboard* Yes No
22
Mouse* Yes No
23
Power cord Yes No
24
Primary storage drive (a 2.5-inch or 3.5-inch
storage drive)
Yes No
25
Storage converter Yes No
26
Primary storage drive bracket No No
27
Storage drive cable No No
28
Dust shield* Yes No
29
Front bezel Yes No
30
Vertical stand* Yes No
31
Power supply assembly No Yes
32
Chassis No No
33
Wi-Fi antennas (2)* No No
34
PCI Express card*
Yes No
35
Cover presence switch (intrusion switch)* No No
Chapter 6
.
Hardware removal and installation
55