Use your fingers to push both battery release tabs away from the battery and lift the battery out of the computer.

Remove the four identical Phillips screws from the memory door.

Lift the memory door up enough to get a grip on it, and slide it toward you, pulling it away from the casing.

Remove the three Phillips screws in the battery compartment near the latch. Apple was nice enough to tilt these screws at a slight angle to make them easier to remove.

Remove the following six screws:

• Two T6 Torx screws on either side of the RAM slot.
• Four Phillips screws along the hinge.

Remove the four Phillips screws on the port side of the computer.

Rotate the computer 90 degrees and remove the two Phillips screws from the rear of the computer.

Rotate the computer 90 degrees again and remove the four Phillips screws from the side of the computer.

Do not yank the upper case off quickly. The case is attached to the logic board via a ribbon cable.

Lift up the back of the case and work your fingers along the sides, freeing the case as you go. Once you have freed the sides, you may need to rock the case up and down to free the front of the upper case.

Disconnect the trackpad and keyboard ribbon cable from the logic board.

Remove the upper case.

Peel up the orange ribbon cable taped to the top of the hard drive. This cable is still connected to the hard drive, so you will only be able to lift up on the cable a little.

Remove the two T6 Torx screws securing the hard drive retaining bracket to the lower case.

Lift the hard drive retaining bracket up and out of the computer.

Lift the hard drive by tilting it from the right hand side, then lift it gently out of the lower case.

If present, remove the piece of tape holding the hard drive connector in its socket on the hard drive.