iFixit

Using the tip of a spudger, flip up the keyboard ribbon cable retaining flap.

Pull the keyboard ribbon cable straight out of its socket.

Using the tip of a spudger, flip up the express card cage ribbon cable retaining flap.

Pull the express card cage ribbon cable straight out of its socket.

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

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.

When disconnecting the display data cable, do not pull on the black tab secured to the cable lock. We recommend wiggling the cable while applying tension to slowly "walk" the connector out of its socket.

Locate the keyboard backlight ribbon cable (near the left fan space).

Using the tip of a spudger, flip up the keyboard backlight ribbon cable retaining flap.

Pull the keyboard backlight ribbon cable straight out of its socket.

Remove seven 3.2 mm Phillips screws securing the logic board to the upper case.

Do not remove the logic board yet! There are connectors attached to the underside of the logic board that must first be disconnected.

Remove two 7 mm Phillips screws securing the DC-in board to the upper case.

Note: This step is not completely necessary, but it will make it easier to disconnect the cable that is connected to the DC-in board.

Remove two 3.5 mm Phillips screws securing the bottom case clip to the upper case.

Lift the bottom case clip out of the upper case.

Some MacBook Pro Unibodies do not have a bottom case clip and do not require this step.