Step 10
Remove the orange tape securing the trackpad ribbon to the logic board.
Disconnect the trackpad ribbon from the logic board.
Remove the upper case from the computer.
Step 11 — Hard Drive
Remove the three long silver Phillips screws from the retaining bracket on the left side of the optical drive.
Remove the retaining bracket.
Step 12
Disconnect the large orange hard drive cable from the logic board, removing tape as necessary.