Step 16
Do not disconnect the PRAM battery from the logic board, but simply place it aside, allowing access to the optical drive.
Step 17
Remove the two short black Phillips screws from the right side of the optical drive.
Remove the two longer silver Phillips screws from the left side of the optical drive.
Peel back the orange tape from the optical drive.
Step 18
Disconnect the large black connector from the logic board and get out from under the red and black speaker cable.