Step 25
It may be helpful to hold the heat sink in place while removing the right fan.
Lift the right fan up while carefully peeling up the tape which secures the fan to the heat sink.
Remove the right fan from the computer.
Step 26
Lift up the left side of the logic board and disconnect the multi-colored power cable from the bottom of the board.
Step 27
The logic board is still attached to the computer by one more cable, so don't lift the logic board too far out of the computer yet.
Grasp the logic board at the left side and at the thin section, and rotate the logic board out of the lower case.