Mac won`t power on. Only LED # 2 green

Question

iMac Intel 27" Retina 5K Display 2019

A2115 / 2019 / Processors from 3.0 GHz 6-core i5, up to 3.6 GHz 8-core i9. Released March 19, 2019.

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I have a 2019 27” iMac 27 base model, it doesn’t start, I have only the onboard diagnostics LED #2 green and blinks when push the power button.

Any idea?

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Need a bit more info here. What happened before the system died? Where you working on it and now it won't start?

It just stopped working, one night i turned it off and the next day it didn't work again.

Need a bit more info here. What happened before the system died? Where you working on it and now it won't start? — Dan
It just stopped working, one night i turned it off and the next day it didn't work again. — fcobracamontez

macisgr8 @macisgr851712 声誉积分: 59 5 2 1 · Answer 1 · 2021-06-07T21:43:11-07:00

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If it won’t power on at all its the power supply, replace it and you’ll be fine.

If it’s one of the most common 2011 iMac 27” failures-it’s the vga card not easy at all.

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