Introduzione
Prereq for removing the upper case.
Strumenti
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Remove the following screws securing the trackpad to the upper case:
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Four 1.4 mm Phillips #000 screws
 
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Wedge the spudger between the trackpad ribbon cable and the upper case.
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Run the spudger along the bottom to release the trackpad ribbon cable from the adhesive securing it to the upper case.
 
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Insert the tip of a spudger in between the trackpad ribbon cable and the upper case.
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Carefully thread the trackpad ribbon cable out of the notch near the top of the SSD assembly cavity.
 
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Once the trackpad is free of the upper case, guide the trackpad ribbon cable through the slot cut in the upper case.
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Remove the trackpad from the upper case.
 
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                            Conclusione
                          
                          To reassemble your device, follow these instructions in reverse order.