Introduction
Use this guide to replace the I/O board data cable.
Tools
Parts
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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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Wedge your fingers between the upper case and the lower case.
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Gently pull the lower case away from the upper case.
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Remove the lower case and set it aside.
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Remove the following screws securing the battery connector board to the logic board:
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Two 2.8 mm T6 Torx screws
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One 7.0 mm T6 Torx shouldered screw
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Use tweezers to remove the small plastic cover located near the bottom right of the battery connector board.
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Remove the wide head 6.4 mm T6 Torx screw securing the battery connector to the logic board assembly.
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Carefully lift the battery connector board up off the logic board.
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It is recommended to bend the battery cables just slightly, to keep the board suspended up above the logic board and out of the way.
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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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Wedge the flat end of a spudger beneath the left side of the I/O board data cable connector.
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Gently twist the spudger to disconnect the I/O board data cable connector from its socket on the logic board.
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To reassemble your device, follow these instructions in reverse order.
If don’t have one of those neat project mats, then you can use small pieces of flattened blu-tack to hold the screws. If you arrange them in the shape of your mac book cover, and put the screws down methodically, you can get a one-to-one mapping of the screws to the correct screw holes.
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Or you can use an ice tray where you put the screws and the parts in separate bays in the same order as they come in the instructions.
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