Lenovo ThinkPad E550 (English) Hardware Maintenance Manual - ThinkPad E550, E5 - Page 63

Depending on the computer model, the keyboard bezel assembly, of your computer might look

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Table 9. Major FRUs and CRUs No. FRU description 1 LCD unit 2 Keyboard bezel assembly 3 Coin-cell battery 4 Battery pack 5 Speaker assembly 6 Lenovo-OneLink-connector cover 7 dc-in/USB-connector board with cable 8a Optical-drive bay bezel 8b Optical drive 9 Small bottom cover 10 Large bottom cover 11 Audio connector card with cable 12 Hard disk drive assembly or solid-state drive assembly 13 Base cover assembly 14 Wireless LAN card 15 Memory module 16 System board 17 Thermal fan 18 Keyboard 19 TrackPoint cap Self-service CRU No No Yes Yes No Yes No Yes Yes Yes Yes No No No Yes Yes No No Yes Yes Optional-service CRU No No No No No No No No No No No No Yes No No No No No No No Note: Depending on the computer model, the keyboard bezel assembly 2 of your computer might look different from the illustration above. Chapter 7. Locations 57

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Table 9. Major FRUs and CRUs
No.
FRU description
Self-serviceCRU
Optional-serviceCRU
1
LCD unit
No
No
2
Keyboard bezel assembly
No
No
3
Coin-cell battery
Yes
No
4
Battery pack
Yes
No
5
Speaker assembly
No
No
6
Lenovo-OneLink-connector cover
Yes
No
7
dc-in/USB-connector board with cable
No
No
8a
Optical-drive bay bezel
Yes
No
8b
Optical drive
Yes
No
9
Small bottom cover
Yes
No
10
Large bottom cover
Yes
No
11
Audio connector card with cable
No
No
12
Hard disk drive assembly or solid-state drive
assembly
No
Yes
13
Base cover assembly
No
No
14
Wireless LAN card
Yes
No
15
Memory module
Yes
No
16
System board
No
No
17
Thermal fan
No
No
18
Keyboard
Yes
No
19
TrackPoint cap
Yes
No
Note:
Depending on the computer model, the keyboard bezel assembly
2
of your computer might look
different from the illustration above.
Chapter 7
.
Locations
57