5. Carefully disconnect the two WLAN antenna cables (5) from the terminals on the WLAN module.
NOTE: 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.
6. Disconnect the speaker cable (6) from the system board.
7. Release the ZIF connector (7) the touchpad cable is connected to, and then disconnect the
touchpad cable from the system board.
8. Release the ZIF connector (8) the keyboard backlight cable is connected to, and then disconnect
the keyboard backlight cable from the system board.
9. Release the ZIF connector (9) the keyboard cable is connected to, and then disconnect the
keyboard cable from the system board.
10. Remove the six Phillips M2.0 × 3.9 screws (1) that secure the system board to the computer.
11. Remove the two Phillips M2.0 × 2.3 screws (2) that secure the system board to the computer.
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Chapter 5 Removal and replacement procedures for authorized service provider parts
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