My iMac won't boot but diagnostic led#1 is always Lighting
I’m one of Japanese guy so sorry for my bad english
I repaired my Imac, but it doesn't start. As for the power supply, I tryed two other things and verified it, so I think the reason is the logic board. I tryed to short the power button cable to boot, but it didn't work. It did not work even if I heated the logic board with a heat gun, but LED1 is operating without problems, it seems that it is stuck at startup after pressing the power button. Is it necessary to replace the logic board? I would like to confirm the continuity, but I do not know where to check, so please give me an suggestion
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Google翻訳のような翻訳者を使用することを恐れないでください。
door Dan