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iMac won`t power on.

Hey Guys

I currently have an iMac 21.5" 4K Late 2019.

The iMac will not turn on.

Diagnostic LED # 1 lights up when the Mac is powered.

There are no fans running.

Power supply is fine.

Someone an idea?

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

좋은 질문 입니까?

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선택된 해법

What transpired before you opened the system? Was it working and stopped after doing something?

Have you taken the logic board fully out to inspect it for visible damage?

I suspect its time to pull out the schematics and board view drawings to trace out the power rails.

해당 답변은 도움이 되었습니까?

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1 Comment:

yes, I turned on the system,

I used the last one and turned it off normally,

when I turned it on the next day, it did not turn on,

when I plug power only the 1st led light up,

I did not see any damaged parts on the motherboard.

I couldn't find schematics and brd

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Nezif Gürkan 님은 대단히 고마워 할 것입니다.
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