(10): RTC battery
2.
Remove the WLAN antenna from the routing channel on the system board (1).
3.
Remove the seven Phillips PM2.0×4.0 screws (2) that secure the system board to the computer.
4.
Lift the right side of the system board up at an angle (1).
CAUTION:
To avoid damaging or breaking the system board, use two hands when removing the board.
Do not lift up on the narrow end of the board.
Component replacement procedures
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