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The following table lists the major FRUs shown in Figure 3 “Locating major FRUs and CRUs” on page 64 and
identies which FRUs are also self-service CRUs or optional-service CRUs.
Notes:
• Self-service CRUs: These CRUs unplug or are secured by no more than two screws. Examples of
these types of CRUs include the keyboard, the mouse, any USB device, and the power cord. Other
self-service CRUs depending on product design might include memory modules, adapter cards, hard
disk drives, and optical drives.
• Optional-service CRUs: These CRUs are isolated parts within the computer and are concealed by an
access panel that is typically secured by more than two screws. Once the access panel is removed, the
specic CRU is visible.
Number FRU description
Self-service CRU Optional-service CRU
1
System stand hinge cover
Yes No
2
System stand
No Yes
3
Computer cover
No No
4
System board shield
No No
5
Integrated camera No No
6
Microprocessor No No
7
Wi-Fi card No No
8
System board
No No
9
Memory module No No
10
Battery No No
11
Internal speaker No No
12
Hard disk drive No No
13
LCD panel
No No
14
Inverter No No
15
Microprocessor fan
No No
16
Optical drive
No No
17
Heat sink assembly No No
18
VESA mount bracket
No No
19
External power adaptor Yes No
20
Keyboard Yes No
21
Mouse Yes No
Looking up FRU information
For detailed FRU information, such as the FRU part numbers and supported computer models, go to:
http:/www.lenovo.com/serviceparts-lookup
Chapter 8. Locations 65