MacBook Unibody Model A1278 Subwoofer & Right Speaker Replacement

With the case closed, place the Unibody top-side down on a flat surface.

Depress the grooved side of the access door release latch enough to grab the free end. Lift the release latch until it is vertical.

The access door should now be raised enough to lift it up and out of the Unibody.

Grab the white plastic tab and pull the battery up and out of the Unibody.

Remove the following eight screws securing the lower case to the chassis:

One 3 mm Phillips screw.

Three 13.5 mm Phillips screws.

Four 3.5 mm Phillips screws.

Using both hands, lift and remove the lower case off the upper case.

Using the flat end of a spudger, pry the subwoofer connector straight up off the logic board.

Disconnect the camera cable by pulling the male end straight away from its socket.

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

Remove the two Phillips screws securing the subwoofer to the upper case.

Lift the subwoofer off the optical drive, and set it above the computer.

Remove the two Phillips screws securing the camera cable bracket to the upper case.

Remove the three 2.5 mm Phillips screws securing the optical drive to the upper case.

Lift the optical drive from its right edge and pull it out of the computer.

Peel back the small piece of black tape covering the right speaker cable.

Use the tip of a spudger to pry the right speaker up off the adhesive securing it to the upper case.

Lift the subwoofer and right speaker assembly out of the upper case.