MacBook Air won’t turn on

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Hi there i dont know if you have fixed your problem but Im here on the gold coast and the humidity here is 95% at the moment and my daughters macbook air was doing the same I found out that they will shut down when the humidity is too high so either only have in air con or wrap in blanket for a few hours in dark cool spot and re try turning on in a few hours its happened quite regularly over the past week and the problem is fixed with either the options above very frustrating but hopefully this humidity will end hope this helps

Connect it to the power. After an hour or so press the power button to turn on the computer.

For additional info: If your Mac doesn't turn on or start up - Apple Support