iFixit

Use the tip of a spudger or your fingernail to flip up the retaining flap on the keyboard backlight ribbon cable.

Be sure you are prying up on the retaining flap, not the socket itself.

Pull the keyboard backlight ribbon cable out of its socket.

Before disconnecting the camera cable, a small plastic retainer stuck to the logic board must first be moved out of the way.

Use the tip of a spudger to push the small plastic cable retainer away from the camera cable socket for enough clearance to remove the camera cable.

Pull the camera cable toward the optical drive opening to disconnect it from the logic board.

The camera cable socket is very fragile. Do not apply any upward force to this socket, as it may break off the logic board. Pull the camera cable parallel to the face of the logic board.

Use the flat end of a spudger to pry the optical drive connector up and out of its socket on the logic board.

Use the flat end of a spudger to lift the subwoofer & right speaker connector out of its socket on the logic board.

Pry up from beneath the wires.

Use the tip of a spudger or your fingernail to flip up the retaining flap on the IR sensor ribbon cable socket.

Be sure you are prying up on the retaining flap, not the socket itself.

Pull the IR sensor ribbon cable out of its socket.

Remove the following four screws:

• Two 3.5 mm Phillips screws
• Two 1.6 mm Phillips screws

Remove both connector shields from the logic board.

Use the flat end of a spudger to pry the trackpad connector up and out of its socket on the logic board.