3 Open the latches and disconnect the control-buttons board cable and
display cable from the system board.
1 display-backlight cable 2 control-buttons board
cable
3 display cable 4 hard-drive data cable
5 optical-drive data cable 6 hard-drive and optical-
drive power cable
7 touch-screen board cable
4 Remove the screws that secure the system board to the middle cover.
5 Starting from the inner edge, carefully lift the system board and release
the ports from the slots on the middle cover.
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