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The April 2014 update of Apple's 13" MacBook Air features refreshed dual-core i5 and i7 processors, plus slightly increased battery performance.

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Does not power on, after water spilled

Hi

My macbook air does not turn on after water spilled

But it does turn on when plugged in and he is charging the battery, i can then unplugged the charger and use the computer, but then again the sound card seems to be missing!

but when i shutdown and try again same problem

NB: when i power on with charger plugged in, the charging lights turn off and on again with orange light come again

i tried to clean it motherboard with alcohol with no luck

any ideas?

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Sounds like you have a damaged I/O board, where you find the first stage of power supply and audio IC. That part surely needs replaced, but luckily it’s not a very expensive part. Check the ribbon cable too to make sure all pins are still clean and shiny..if you see any charred pin replace the cable too. Here’s the guide for parts replacement:

MacBook Air 13" Early 2014 I/O Board Replacement

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Hello Try Resetting The PRAM https://support.apple.com/en-us/HT204063

You might also want to buy this if reseting PRAM doesnt get any sound MacBook Air 13" (Mid 2011-2017) Right Speaker

MacBook Air 13" (Mid 2011-2017) Right Speaker Изображение

Продукт

MacBook Air 13" (Mid 2011-2017) Right Speaker

$9.99

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The OP mentioned the system can't find the audio card..replacing the speaker won't likely make any difference.

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Palli будет вечно благодарен.
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