Deroute the cable from around the optical drive, removing tape as necessary, and angle the DC-In board out of its compartment.

Remove the following 11 screws from the bottom of the computer:

• Three 3 mm Phillips around the battery compartment.

• Three 4.5 mm Phillips along the optical drive bezel. (a magnetic screwdriver may help to lift these screws out)

• One 12 mm Phillips in the lower right corner.

• Four 14.5 mm Phillips.