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-jim Author

Level 1

16 points

iMac upgrade from Mojave No longer boots.

Performed the Catalina upgrade. Once it started I left it running and when I returned hours later my Apple 27" iMac with Retina 5K Display (Late 2014) would not boot.

Contacted Apple support on phone and went through several test and they indicated it was a hardware issue. Appears the iMac would not complete post.

At the Apple store they went through several test and concluded it was probably the "Logic" board as it appears the USB ports were inoperative.

Just wondering if anyone else has run into this condition and what they did about it?

Posted on Oct 13, 2019 1:56 AM

iMac upgrade from Mojave No longer boots.

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