Before removing the WLAN module, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 30).
2. Remove the bottom cover (Bottom cover on page 30).
3. Disconnect the battery cable from the system board (see Battery on page 38).
Remove the WLAN module:
1. Carefully disconnect the two antenna cables from the module (1).
2. Remove the Phillips M2.0 × 2.5 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 white
WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable
connects to the WLAN module #1 Aux terminal.
32 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts