はじめに
Prerequisite only guide to safely disconnect the battery before undertaking repairs.
必要な工具と部品
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Power on your Mac and launch Terminal.
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Copy and paste the following command (or type it exactly) into Terminal:
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sudo nvram AutoBoot=%00
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Press [return]. If prompted, enter your administrator password and press [return] again. Note: Your return key may also be labeled ⏎ or "enter."
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sudo nvram AutoBoot=%03
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Close the display and flip the entire laptop upside-down.
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Use a P5 Pentalobe driver to remove six screws securing the lower case, of the following lengths:
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Four 4.7 mm screws
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Two 6.6 mm screws
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Remove the lower case.
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Set it in place and align the sliding clips near the display hinge. Press down and slide the cover toward the hinge. It should stop sliding as the clips engage.
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When the sliding clips are fully engaged and the lower case looks correctly aligned, press down firmly on the lower case to engage the four hidden clips. You should feel and hear them click into place.
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Peel up and remove the large rectangular battery board cover, on the edge of the logic board nearest the battery.
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If the cover doesn't peel up easily, apply mild heat with an iOpener, hair dryer, or heat gun to soften the adhesive underneath, and try again.
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Use a spudger to gently pry up the locking flap on the ZIF connector for the battery board data cable.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
