5.Pull the wireless cables (6) away from system board.
6.Remove the Phillips M2.0x4.0 screw (1) that secures the system board to the top cover. Use the optical drive connector (2) to lift the left side of the system board until it rests at an angle, and then remove the system board (3).
Reverse this procedure to install the system board.
70 Chapter 4 Removal and replacement procedures
