4.
Disconnect the speaker cable (4) from the system board.
5.
Remove the four Philllips PM2.0×3.3 screws (1) that secure the system board to the bottom cover.
6.
Release the system board by lifting the left side of the system board (2) until it rests at an angle.
7.
Remove the system board (3) by sliding it up and to the left at an angle.
Reverse this procedure to install the system board.
Component replacement procedures
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