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Major FRUs and CRUs
Table 9. Major FRUs
No.
FRU descriptions
1
LCD unit
2
Keyboard bezel assembly
3
Memory modules
4
Coin-cell battery
5
Fingerprint-reader card (on some models)
6
Power-button card
7
Wireless-LAN/Bluetooth card
8
Wireless-WAN card or
M.2 solid-state drive
9
Hard disk drive or solid-state drive
48
Hardware Maintenance Manual
23
22
21
20
19
18
17
16
15
14
1
2
3
4
5
6
7
8
9
10
11
12
13
Self-service CRU
Optional-service CRU
No
No
No
No
No
Yes
No
Yes
No
No
No
No
No
No
No
Yes
No
No
No
Yes
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