iFixit

Grab the plastic pull tab secured to the display data cable lock and rotate it toward the DC-in side of the computer.

Pull the display data cable connector straight away from its socket.

Make sure to pull the connector straight away and not straight up from its socket.

Remove the following two screws from the display data cable bracket:

• One 7 mm Phillips screw.
• One 5 mm Phillips screw.

Lift the display data cable bracket out of the upper case.

Remove the two outer 6 mm Torx screws securing each side of the display to the upper case (4 screws total).

Open your MacBook so the display is perpendicular to the upper case.

Place your opened MacBook on a table as pictured.

While holding the display and upper case together with your left hand, remove the 6 mm Torx screw from the lower display bracket.

Be sure to hold the display and upper case together with your left hand. Failure to do so may cause the freed display/upper case to fall, potentially damaging each component.

Remove the last remaining 6 mm Torx screw securing the display to the upper case.

Grab the upper case with your right hand and rotate it slightly toward the top of the display so the upper display bracket clears the edge of the upper case.

Rotate the display slightly away from the upper case.

Lift the display away from the upper case, minding any brackets or cables that may get caught.

Some 2.0 GHz A1278 MacBook Unibody logic boards do not have the necessary socket installed to accept the keyboard backlight ribbon cable attached to the upper case. The first and second pictures show logic boards with and without the socket installed, respectively. If your logic board does not have the backlight ribbon cable socket installed, the keyboard will work but the keys will not light up.

If your logic board does not have the socket installed to accept the keyboard backlight ribbon cable and you are installing a backlit upper case, simply tuck the keyboard backlight ribbon cable out of the way when you reinstall the logic board into the upper case.

Remove the single Phillips screw securing the hard drive bracket to the chassis.

This screw is captive to the hard drive bracket.