2. Carefully disconnect the WLAN antenna cables (2) from the terminals on the WLAN module.
Computer models have either one or two WLAN antennas. On models with two antennas, the #1
WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 WLAN antenna cable
connects to the WLAN module #2 Aux terminal.
3. Remove the Phillips M2.0 × 2.5 screw (3) that secures the WLAN module to the system board.
4. Lift the edge of the WLAN module (4) opposite until it rests at an angle.
5. Remove the WLAN module (5) by pulling the module away from the slot at an angle.
6. 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 replace the WLAN module, reverse the removal procedures.
NOTE: The WLAN module is designed with a notch to prevent incorrect insertion.
Fan
To remove the fan, use these procedures and illustrations.
50
Chapter 5 Removal and replacement procedures for authorized service provider parts
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