Step 43 — PC Card Cage
Remove the Phillips screw from each corner of the PC card cage (4 screws total).
The two longer screws go on the right side of the card cage.
Step 44
Lift the PC card cage up from the front, and remove it from the computer.
Step 45 — Heat Sink
If you have already removed the hard drive or speaker assembly, your computer may differ slightly from the images in this section. These parts do not affect this procedure.
Remove the following 7 Phillips screws attaching the heat sink to the metal framework:
Five 5 mm screws scattered around the heat sink.
One 6 mm on the front left corner of the heat sink.
One 10 mm in the back left corner of the left fan.