Turn the computer over and open the display as far as possible. Lift the connector latches and disconnect the power-button board cable top right and the touchpad cable lower left from the system board. See picture.

Close the display and turn the computer over. Lift the latch and disconnect the display cable at top of the system board. See picture. Remove the screw that secures the system board to the palm-rest assembly.

Peel the I/O board cable off the palm-rest assembly and disconnect from system board. See third picture.