devices in your country or region. If you replace the module and then receive a warning message,
remove the module to restore device functionality, and then contact technical support.
Before removing the WLAN module, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover on page 37).
3. Disconnect the battery cable from the system board (see Battery on page 39).
Remove the WLAN module:
1. Remove the plastic antenna protector from the module.
2. Carefully disconnect the antenna cables from the module (1).
3. Remove the Phillips M2.0 × 2.5 screw (2), and then remove the WLAN module from the computer (3).
NOTE: The #1 white WLAN antenna cable connects to the WLAN module Main terminal. The #2
black WLAN antenna cable connects to the WLAN module Aux terminal.
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Chapter 5 Removal and replacement procedures for authorized service provider parts