Lenovo ThinkPad L421 Hardware Maintenance Manual - Page 94

release wireless antenna cables from the cable guides.

Page 94 highlights

2 Note: This step 2 is only required for L520 models. 3 3 4 When installing: • Make sure that the edge of the rectangular hole on the LCD cable is aligned with the edge of the boss. • Make sure that the speaker cable is not overlapped with the LCD cable connector. • Make sure that the connectors are attached firmly to the system board. In step 5 , release wireless antenna cables from the cable guides. 88 Hardware Maintenance Manual

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2
Note:
This step
2
is only required for L520 models.
3
3
4
When installing:
Make sure that the edge of the rectangular hole on the LCD cable is aligned with the edge of the boss.
Make sure that the speaker cable is not overlapped with the LCD cable connector.
Make sure that the connectors are attached firmly to the system board.
In step
5
, release wireless antenna cables from the cable guides.
88
Hardware Maintenance Manual