2. Remove the Phillips M2.0 × 2.9 screw (2), and then remove the WLAN module (3).
NOTE: 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. 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.
Reverse this procedure to install the WLAN module.
WWAN module
To remove the WWAN module, use this procedure and illustration.
ENWW Component replacement procedures 47