Position the computer upside down, resting the computer on an ESD mat or other soft surface and remove the bottom housing, EMI cover, and SDRAM.

Remove the four screws connecting the CD/HD drive carrier to the the metal chassis (also known as the divider panel).

Disconnect the following cables from the back of the CD/HD carrier: hard drive power cable, hard drive data cable, CD-ROM/DVD-ROM data cable, logic board cable connector.