Lenovo 20QT, Hardware Maintenance Manual, Page: 56 / 115

Table 4. Major FRUs and CRUs
No. FRU description Self-service CRU Optional-service CRU
1
LCD unit No No
2
Keyboard bezel assembly No No
3
Coin-cell battery Yes No
4
Wireless-LAN card Yes No
5
M.2 solid-state drive Yes No
6
Memory module Yes No
7
System board No No
8
Side USB connectors No No
9
Thermal fan assembly No No
10
Fingerprint reader bracket No No
11
Fingerprint reader No No
12
Fingerprint reader cable No No
13
Built-in battery No No
14
Smart card reader or dummy smart card reader No No
15
Smart card reader cable
*
No No
16
Base cover assembly Yes No
17
Speaker assembly Yes No
18
dc-in bracket No No
19
dc-in cable No No
20
Keyboard subcard No No
21
Keyboard subcard cable No No
22
Trackpad No No
23
Trackpad cable No No
a
Lenovo factory recovery USB key
*
Yes No
b
Power cord Yes No
c
ac power adapter Yes No
d
Miscellaneous parts kits Yes No
* for selected models
Note: The Lenovo factory recovery USB key a is used to restore the Microsoft
®
Windows operating system.
It might not come with the computer, and a user might order it from https://pcsupport.lenovo.com/
lenovorecovery , though additional shipping and handling fees might apply.
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P1 Gen 2, X1 Extreme and X1 Extreme 2nd Hardware Maintenance Manual