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    MB AIR A2179 No Boot

    Hi, I have a question about a MacBook Air I'm working on. It's a MacBook Air A2179 with logic board 820-01958. The logic board looks completely clean no signs of corrosion or liquid damage. The machine negotiates 20V over USB-C, and I've confirmed the presence of the main power rails: 5V 3.3V...
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