2.
Remove the three Phillips PM2.0×3.0 screws (1) that secure the system board to the computer.
3.
Swing the rear edge of the system board up and forward so you can access the RTC battery cable
underneath (2).
4.
Disconnect the RTC battery cable (3) from the system board.
5.
Remove the system board (4).
Reverse this procedure to install the system board.
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Chapter 5 Removal and replacement procedures for Authorized Service Provider parts