Introduction
Use this guide to replace the I/O board.
What you need
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Tool used on this step:Magnetic Project Mat$19.95
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Remove the following ten screws securing the lower case to the upper case:
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Two 2.3 mm P5 Pentalobe screws
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Eight 3.0 mm P5 Pentalobe screws
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Tool used on this step:Tweezers$4.99
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Grasp the Interposer with tweezers.
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Lift the Interposer off the logic board and remove it.
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Remove the following screws securing the heat sink to the logic board assembly:
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One 2.4 mm Phillips #00 screw
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One 3.4 mm T5 Torx screw
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Four 2.7 mm T5 Torx screws
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Use the flat end of a spudger to pry the right side of the I/O board data cable connector up off its socket on the I/O board.
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Use the tip of a spudger to flip up the retaining flap on the right fan ribbon cable ZIF socket.
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Pull the right fan ribbon cable straight out of its socket on the logic board.
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Remove the single 2.7 mm T5 Torx screw securing the AirPort board to the I/O board.
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Use the flat end of a spudger to pry and disconnect the three antenna cable connectors from the AirPort board.
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Connect the long-sleeved cable to the center socket.
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The short-sleeved cable connects next to the screw.
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The remaining cable has no sleeve, and connects in the last empty socket, next to the fan.
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Use the tip of a spudger to push the edges of the I/O board power connector straight out of its socket on the logic board.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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