Einleitung
Use this guide to replace the hard drive bracket nearest the front edge of your MacBook Unibody Model A1278. This bracket also contains the infrared sleep sensor and its cable.
Was du brauchst
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With the case closed, place the Unibody top-side down on a flat surface.
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Depress the grooved side of the access door release latch enough to grab the free end. Lift the release latch until it is vertical.
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The access door should now be raised enough to lift it up and out of the Unibody.
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Grab the white plastic tab and pull the battery up and out of the Unibody.
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Remove the following eight screws securing the lower case to the chassis:
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One 3 mm Phillips screw.
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Three 13.5 mm Phillips screws.
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Four 3.5 mm Phillips screws.
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Using the flat end of a spudger, pry the subwoofer connector straight up off the logic board.
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Disconnect the camera cable by pulling the male end straight away from its socket.
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Use a spudger to pry the optical drive connector straight up off the logic board.
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Remove the two Phillips screws securing the camera cable bracket to the upper case.
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Remove the three 2.5 mm Phillips screws securing the optical drive to the upper case.
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Remove the single Phillips screw securing the hard drive bracket to the upper case.
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Lift the hard drive by its plastic pull tab and remove the freed hard drive bracket.
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Lift the hard drive out of its supports and disconnect the SATA cable by pulling the connector straight away from the hard drive.
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Remove the four 10.3 mm Phillips screws securing the mid wall to the upper case.
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Use a spudger to pry the hard drive cable connector straight up off the logic board.
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Peel the hard drive cable from the adhesive securing it to the upper case, and maneuver the plastic retaining block out of the upper case.
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Use the pointed end of a spudger to flip the lock on the ZIF connector.
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Peel the connector side of the sleep sensor cable up from the adhesive securing it to the upper case.
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Remove the two 5 mm Phillips #00 screws securing the hard drive bracket to the upper case.
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Insert the tip of a spudger between the hard drive bracket and the front edge of the upper case to free it from its recess.
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Pull the hard drive bracket and sleep sensor assembly out from the recess in the upper case.
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After ensuring the cable is freed of all adhesive, remove the hard drive bracket and sleep sensor assembly from the upper case.
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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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