iMac 2019 will not boot,?folder, changed to SSD and changed RAM.

Question

iMac Intel 21.5" Retina 4K Display 2019

A2116 / 2019 / 3.6GHz 쿼드 코어 i3, 3.0GHz 6코어 i5 또는 3.2GHz 6코어 i7 프로세서. 2019년 3월 19일 출시.

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john @john24778

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iMac 2019 will not boot,?folder, changed to SSD and changed RAM.

I have a 2019 iMac retina, it will not boot. I have done all the usual things. New SSD, new RAM, swapped the Fusion Drive then just removed it. Will not load to the diagnostic screen. Does act like it will load recovery but then stops… tried another SSD that I preloaded from my working MacBook but it still will not boot. I guess it’s the logic board?

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Jadon @jadonlyon 평판: 1.6k 13 4 2 · Answer 1 · 2024-01-23T10:56:36-07:00

Jadon @jadonlyon

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Okay, seems like a pretty common problem. Try this:

Hold Option (Alt) + Command + R while starting up. This will start the Mac using Internet Recovery.
Hold Option + D while starting up. This will start Apple Diagnostics using the internet (versus using offline mode).
Create a OS installer USB thumb drive using another Mac. Create a bootable installer for macOS

Hope this helps

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iMac Intel 21.5" Retina 4K Display 2019

iMac 2019 will not boot,?folder, changed to SSD and changed RAM.

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