Step 40
Lift up microphone cable from the lower left corner of the fan, and disconnect the two sections of the cable.
Step 41
Deroute the microphone cable from its channel in the metal framework.
Step 42
Remove the following nine screws:
Four 3 mm Phillips allong the left edge and near the fan.
One 4 mm Phillips in the bottom left corner.
Two 6 mm Phillips near the left hinge.
One 9 mm Phillips in the top left corner of the fan.
One 12 mm Phillips just above where the hard drive was located.