Remove the I/O board cable:

1.Disconnect the battery cable from the system board.

2.Release the ZIF connector (1) to which the I/O board cable is attached, and then disconnect the I/O board cable from the system board.

3.Release the ZIF connector (2) to which the I/O board cable is attached, and then disconnect the I/O board cable from the I/O board.

I/O board cable

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