Lenovo 21JK Hardware Maintenance Manual page 54

Table 5. Major FRUs and CRUs
No. FRU description
1
LCD unit
2
Keyboard assembly
3
Power button*
4
Power button with fingerprint reader*
5
Memory module bracket
6
Memory module*
7
System board
8
Wireless LAN card
9
M.2 2242 solid-state drive*
10
M.2 2280 solid-state drive*
11
I/O board
12
I/O board cable
13
Base cover assembly
14
Coin-cell battery
15
Built-in battery
16
Speaker assembly
17
Thermal fan (for UMA models)
18
Heatsink (for UMA models)
19
Thermal fan assembly (for DIS models)
20
Trackpad cable
21
Trackpad
a
Lenovo factory recovery USB key*
b
Power cord*
c
ac power adapter*
d
Miscellaneous parts kits (see "Miscellaneous parts" on page 53)
* for selected models
Notes:
• Depending on the computer model, your computer might look different from the illustration above.
• The Lenovo factory recovery USB key
might not come with the computer, and a user might order it from
, though additional shipping and handling fees might apply.
lenovorecovery
48
ThinkPad E14 Gen 5 / ThinkPad E16 Gen 1 Hardware Maintenance Manual
a is used to restore the Microsoft Windows operating system. It
Self-service Optional-service
CRU CRU
No No
No No
No No
No No
Yes No
Yes No
No No
No No
Yes No
Yes No
No No
No No
Yes No
No No
No No
No No
No No
No No
No No
No No
No No
No No
Yes No
Yes No
No No
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