BEANTWORTET: iMac won`t power on. - iMac Intel 21.5" Retina 4K Display 2019

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?

Beantwortet! Antwort anzeigen Ich habe das gleiche Problem

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Ja Nein

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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.

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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

iMac (21,5 Zoll, 2019, Retina 4K Display, Intel)