iFixit

Remove the three 3.0 mm Phillips #0 screws from the optical bay enclosure.

Starting from the left edge, gently pull open the optical bay enclosure.

Continue to pull open the two halves of the enclosure until they separate.

Remove the two 3.0 mm Phillips #0 screws securing the faceplate to the optical bay enclosure.

Lift the black plastic faceplate out of the optical bay enclosure.

• You will no longer need the faceplate or the two Phillips screws that held it in place. Set those parts aside if you ever wish to put the faceplate back into the enclosure.

Reassemble the optical bay enclosure without the faceplate, reusing the original three 3.0 mm Phillips screws to keep it intact.

Remove the plastic positioner from the optical bay hard drive enclosure by pressing in on one of the clips on either side and lifting it up and out of the enclosure.

Make sure that the hard drive connectors are facing down before placing it into the enclosure.

Gently place the hard drive into the enclosure's hard drive slot.

While firmly holding the enclosure in place with one hand, use your other hard to press the hard drive into the enclosure connectors.

Once the hard drive is snug, reinsert the plastic positioner while holding the hard drive against the bottom of the enclosure.

Reconnect any cables you have removed from the original optical drive onto the optical bay enclosure.