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4.
Remove the battery (see
Battery on page 43).
5.
Remove the accessory cover (see
Hard drive on page 44).
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The 1/black WLAN antenna cable is connected to the WLAN module 1/Main terminal.
The 2/gray WLAN antenna cable is connected to the WLAN module 2/Aux terminal.
2. Remove the two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the system
board. (The WLAN module tilts up.)
3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion of the
WLAN module into the WLAN module slot.
NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, the
protective sleeves must be installed on the antenna connectors, as shown in the following
illustration.
Reverse this procedure to install the WLAN module.
50 Chapter 4 Removal and replacement procedures