Introduction
Tools
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Disconnect the port hatch ribbon cable from the logic board by pulling it straight up by its black pull tab.
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Pull the audio out ribbon cable off the adhesive securing it to the upper case.
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Use a spudger to pry the audio out ribbon cable connector board off the hard drive bracket.
 
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Use the sharp end of a spudger to de-route the microphone cable from the hard drive bracket.
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Remove the cosmetic screw cover from the adhesive securing it to the hard drive bracket.
 
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Remove the four Phillips screws securing the hard drive assembly to the upper case:
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Two 4.7 mm screws.
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Two 3.9 mm screws.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.
I skipped the step (6c) of prying the audio out ribbon cable connector board off the hard drive bracket (& disconnecting it), since it doesn't come off real easily, and I didn't want to damage it. It only requires a little more care when removing the HD from it's bracket if you skip step 6c.
amiller770 -