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듀얼 마이크와 802.11ac Wi-Fi 연결 기능을 갖춘 Apple MacBook Air 중 더 작은 노트북.

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Smc working, green light and orange light showing but not turning on

There was a liquid damage few months ago but it worked fine after that for about 3 months, then one day suddenly it stopped working, i get the light on the power cable, but the screen won't turn on. Will replacing I/O board fix this problem for me? Does I/O board relate to power supply to the machine?

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A new screen or battery is one kit away.

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안드로이드 수리 키트

A new screen or battery is one kit away.

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선택된 해법

Check both sides of the trackpad cable, keyboard cable/connector and the back of the trackpad board for corrosion or burnt pins. Try plugging the charger in (with battery disconnected) with the keyboard disconnected first, then the trackpad cable disconnected, then the I/O cable disconnected, to see what is causing the problem. The Macbook should boot when the cable is plugged in, and the battery is disconnected.

If this does not resolve your issue, and the Macbook does not boot with everything but the I/O board disconnected, it will be logic board related. Get a schematic and board view, then measure the power rails. If this is out of your experience level, send it to someone who can do board level repairs.

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