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Repair information and guides for the 2015 Retina MacBook Air. Model A1534

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Mac crashes during boot when internal keyboard is connected.

I bought my mom a 2015 12" MacBooks and it ended up being a scam (tracked didn't click, massive dent and in horrible condition). I got a refund from eBay without having to return it and I've bought her a proper working one.

So now I'm stuck with this and I might as well fix it. The Mac crashes while booting (the apple logo will get half way, the mouse will appear and move and then it will crash and shut off.) If I hold down shift it will boot into safe mode no problem. Ive tried reinstalling Mac OS big Sur, nothing. I installed Mac OS Yosemite and still the same thing. I found that if I open the MacBook and disconnect the keyboard ribbon cable it will boot up normally.

Any ideas what's happening?

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@jdt336578 - Sounds like the keyboard and/or the trackpad needs replacing.

Post some pics so we can see the damage, maybe that can help narrow down things. Adding images to an existing question

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Before I try to repair, I would try resetting the SMC and the NRVAM. If this fails, then is probably could be a water damaged keyboard or a broken ribbon cable. I would buy a replacement keyboard to test on your MacBook, which you can return if it does not fix the problem. Hope this helps!

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Ok that's cool! Ive done all that SMC and NVRAM stuff so many times. I just wanted to know that the logic board is good! I guess there's only one way to find out.

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@jdt336578 Have you held the power button for over 15 seconds to reset all processes?

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yeah done all of that. i ripped off the 0 and 8 key and that seemed to fix it! I’ve got a new top case coming tomorrow to fix it for good.

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Did you fixed it with a new keyboard?

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@Dominique Kalmes yeah it did. I just installed the new top case and it works perfectly :)

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