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4.
If the WLAN antenna is not connected to the terminal on the WLAN module, install a protective
sleeve on the antenna connector, as shown in the following illustration.
To install the WLAN module, reverse this procedure.
Fans
To remove the fans, use this procedure and illustration.
Table 5-6
Fan descriptions and part numbers
Description
Fan for use in models with UMA graphics
Fans for use in models with discrete graphics
Before removing the fans, follow these steps:
1.
Prepare the computer for disassembly (see
2.
Remove the bottom cover (see
3.
Disconnect the battery cable from the system board (see
Remove the fans:
1.
Disconnect the fan cables (1) from the system board.
2.
Remove the five Phillips M2.0 × 3.0 screws (2) that secure the fans to the computer.
38
Chapter 5 Removal and replacement procedures for authorized service provider parts
Preparation for disassembly on page
Bottom cover on page
29).
Spare part number
N87224-001
N87225-001
Battery on page
31).
29).
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