Lenovo V4400u Notebook - Manual (Page 41)

– Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an access
panel that is typically secured by more than two screws. Once the access panel is removed, the specific
CRU is visible.
Major FRUs and CRUs
13
14
15
16
17
18
19
20
12
11
1
2
3
4
5
6
7
8
9
10
Table 3. Major FRUs and CRUs
No. FRU description CRU ID
1 LCD unit N
2 Keyboard bezel assembly with keyboard N
3 Fingerprint reader assembly N
4 9 Hall sensors N
5 Thermal Module assembly N
6 I/O board N
7 Media card reader board N
8 Hard disk drive or solid-state drive N
10 Battery pack N
11 Base cover N
Chapter 6 . Locations 35