Introduction
The bottom housing holds all your mini's internals.
What you need
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We will first remove the AirPort antenna, located in the lower left corner of this picture.
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Slightly squeeze the two retaining arms toward each other and lift the AirPort antenna off its post.
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Grab the Bluetooth antenna nearest the port side of the computer by the edges of the board and pull it straight up off the internal frame.
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Remove the antenna board near the front of the mini by pulling it straight up off the internal frame.
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If necessary, remove the piece of tape securing the antenna leads to the internal frame.
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Use the flat end of a spudger to pry the audio ribbon cable connector up off the audio board.
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Remove the following four screws securing the internal frame to the bottom housing:
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Three 6.7 mm Phillips #00 screws
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One 9.5 mm Phillips #00 screw
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Lift the internal frame off the bottom housing, starting at the rear edge, until you feel the concealed edge connector on the motherboard disconnect. Then lift straight off, minding the bluetooth and 802.11 antenna cables.
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Use the flat end of a spudger to pry the three antenna connectors off the AirPort/Bluetooth combo card.
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Use the flat end of a spudger to pry the AirPort/Bluetooth ribbon cable connector up off the combo card.
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Remove the three silver Phillips screws securing the combo card to the logic board.
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Lift the combo card out of your mini.
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Use the flat end of a spudger to pry the power button cable connector up off the logic board.
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Use the flat end of a spudger to pry the sleep light cable connector up off the logic board.
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Use a spudger to lift the free end of the logic board off the bottom housing near the PRAM battery.
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While slightly lifting the free end of the board pull it away from the port side of the mini, minding any edges that may get caught.
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Remove the single Phillips screw between the headphone and microphone jacks on the audio board.
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