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13" aluminum unibody, 2.0 or 2.4 GHz Core 2 Duo processor.

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Replacing Trackpad - Tri-wing size?

Greetings all,

I'm replacing a cracked trackpad on my A1278, per Ben Eisenman's instructions here.

I do not own a tri-wing screwdriver or appropriate bit, and I wanted to make sure I ordered the right one(s). The six tri-wing screws on top seem to be significantly smaller than the tri-wing height adjustment screw, and I wouldn't think that the same size bit would work for both.

Could someone possibly confirm the sizes of these heads? Would the tri-wings from the 54 Piece Set, #0 and #1, be sufficient?

Thanks in advance.

Answered! View the answer I have this problem too

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Sad to say that the #0 tri-wing bit was not small enough for the six screws affixing the trackpad to the aluminum body. It was only sufficient for the height adjustment screw.

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@mayer

if #0 was not small enough, how did you remove the six screws?

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Waiting for my Tri-wing screwdriver to arrive. In the meantime I used an open side of my tweezers to slowly but successfully unscrew each of the tri-wing screws holding in the battery. Not recommended, but worked in a pinch for a client.

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Kyle Miller will be eternally grateful.
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