Remove the system board:

1.Turn the computer upside down, with the front toward you.

2.Disconnect the subwoofer cable from the system board.

3.Turn the computer right-side up, with the front toward you.

4.Disconnect the fan cable 1 from the system board.

5.Release the ZIF connector to which the audio/infrared board cable 2 is attached and disconnect the audio/infrared board cable from the system board.

6.Disconnect the USB board cable 3 from the system board.

7.Disconnect the power connector cable 4 from the system board.

Removal and replacement procedures

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