Remove the following 10 screws securing the lower case to the MacBook Pro 13" Unibody:

• Seven 3 mm Phillips screws.
• Three 13.5 mm Phillips screws.

Slightly lift the lower case and push it toward the rear of the computer to free the mounting tabs.

For precautionary purposes, we advise that you disconnect the battery connector from the logic board to avoid any electrical discharge. This step is optional and is not required.

Use the flat end of a spudger to lift the battery connector up out of its socket on the logic board.

Using the flat end of a spudger, pry the right speaker/subwoofer cable connector straight up off the logic board. Be careful not to lift the socket. Pull the connector toward the optical drive.

Pry up from beneath the wires.

It will be necessary to slide the small clear plastic cable retainer (boxed in red) glued to the logic board out of the way before disconnecting the camera cable. Be careful not to break any components off the board as you slide it away from the camera cable connector.

Pull the camera cable connector toward the optical drive to disconnect it from the logic board.

This socket is metal and easily bent. Be sure to align the connector with its socket on the logic board before mating the two pieces.

Use the flat end of a spudger to pry the optical drive connector straight up off the logic board.

Use the flat end of a spudger to pry the hard drive connector straight up off the logic board.

Remove the two Phillips screws securing the subwoofer to the upper case. The right one is 5 mm and the left 3.9 mm.

The longer of the two screws is on the right.