MacBook Pro 15" Core 2 Duo Model A1211 Left I/O Board Cable Replacement

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

Remove the three 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 two 2.8 mm Phillips screws in the battery compartment near the latch.

Remove the following 6 screws:

• Two 10 mm T6 Torx screws on either side of the RAM slot.
• Four 14.5 mm Phillips screws along the hinge.

Remove the four 3.2 mm Phillips screws on the port side of the computer.

Rotate the computer 90 degrees and remove the two 3.2 mm Phillips screws from the rear of the computer.

Rotate the computer 90 degrees again and remove the four 3.2 mm Phillips screws from the side of the computer.

Lift up at the rear 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 (there are some hidden plastic clips that need to be clicked off).

Disconnect the trackpad and keyboard ribbon cable from the logic board, removing tape as necessary.

Remove the upper case.

Disconnect the iSight cable from the logic board by sliding the cable to the left and out of its connector.

Disconnect the inverter, left fan, and left ambient light sensor cables by placing a spudger beneath each cable and lifting up.

Peel up the left ambient light sensor cable from above the left fan, removing tape as necessary.

Remove the following 3 screws:

• One 6.2 mm black T6 Torx screw from the right side of the fan.
• Two 9.4 mm silver T6 Torx screws from the left side of the fan.

Lift the left fan up and carefully peel up the tape securing the fan to the heat sink as you go.

Disconnect the hard drive and ExpressCard connectors from the left side of the logic board.

Disconnect the three antenna cables attached to the Airport Extreme card.

Remove the single black T6 Torx screw located just above the Airport Extreme card.

Lift the Airport Extreme card up and slide it out of its connector.

Deroute the Airport antenna cables from their channel in the left speaker.

Peel up the orange hard drive cable from above the ExpressCard cage.

Disconnect the speaker cable from the corner of the left I/O board.

Lift the left speaker assembly out of its housing and place it in the area previously occupied by the left fan.

Disconnect the large gray and black power cable from the left I/O board.

Remove the following 5 screws/standoffs:

• Four black T6 Torx screws securing the left I/O board to the lower case.
• One 4 mm standoff located between the audio jacks.

Lift up the right side of the left I/O board and slide it out of the computer.

Turn the left I/O board over and disconnect the short left I/O board cable.