Step 34
Lift the top shield up from the right side, minding the upper left corner, which may catch on the metal framework.
Step 35 — Optical Drive
Remove the following 3 screws:
One 3 mm Phillips in the channel between the optical drive and fan.
One 6 mm Phillips from the upper end of the drive bezel.
One 6 mm Phillips with a collar from bracket extending from the lower left corner of the drive.
Step 36
There are two different styles of optical drive ribbon. If the cable extending from the optical drive is white, skip this step. If the cable is orange, then complete this step and skip the next two steps.
Disconnect the orange optical drive ribbon from the logic board.