2.
Position the computer upright, and then disconnect the following cables from the system board:
(2): Speaker cable
(3): USB board cable
(4): Optical drive connector cable
3.
Remove the seven Phillips PM2.5×5.0 screws (1) that secure the system board to the base enclosure.
4.
Lift the plastic tape from atop the fan (2).
86
Chapter 4 Removal and replacement procedures