13" MacBook Airport Card Replacement
Use a coin and turn the battery lock 90 degrees.
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Lift and remove the battery.
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Fully loosen, three Phillips screws along the back of the battery compartment. These three screws are captive and do not come out. They remain in place on the RAM cover.
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Pull the RAM cover back and then lift it out of the computer.
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Look on the bottom of the case and remove three Phillips screws. The two screws in the rear are 14.5 mm and the center screw is 11 mm.

The two rear screws, 14.5 mm, may or may not come out of the case easily. If you can use a magnet, tweezers, or leave them in. If you leave them in just be 100% certain they are fully loosened.
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Three Phillips screws on the rear wall need to be removed. The outside screws are 4mm and the center screw is 3 mm.
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Looking to the right, remove two Phillips screws. The screws are 6.25 mm.
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Four Phillips screws need to be removed. You need to remove the second, fourth, seventh, and ninth screws counting left to right.
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Look at the back of the MacBook. Remove four Phillips screws. The inside screws are 11 mm and the outside screws are 7.25 mm.
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Remove the two Phillips screws on the side of the optical drive. The screws are 5.2 mm.
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Gently pry the keyboard upward starting at the rear, near the screen, working your way to the front toward the track pad. The keyboard may stick over the top of the optical drive. If this happens, pry the other three sides free and then pull directly up on the keyboard over the optical drive.

Please be careful as the ribbon cable from the keyboard to the logic board is very short.
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Hold the keyboard up and pull the black tab on the ribbon connector up off the logic board.
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Disconnect the two antenna cables from the Airport Extreme card. On some MacBook Pro Core 2 Duo's there will be three wires. Note the color and order they are in.

On Penryn machines, as pictured to the right, there will be a cable holder attached to the right screw. Be sure you put this back on top of the airport card as it was originally installed.
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Grab the airport card and slide it out of the slot.

Reassemble this device by following these instructions in reverse order.
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