Imac 13.2 late 2012 27” 32gb of nvidia ram

Good evening

I'm having a problem with my iMac.

A while ago, I used Open Core to install a newer version of macOS.

It seemed to work, but then one day I got stuck on the Apple logo and the Start menu.

I then realized I was in a kernel panic.

Now I've also created a target disk to format the internal drive, because otherwise, even USB drives won't boot.

With Open Core and installing Sonoma, I managed to install, but with problems. When I press EFI Boot, the USB drive goes black and reverts to the previous state. I install everything, but

It freezes immediately.

I read that you should install the latest supported version first.

I create the USB stick but it doesn't work. It crashes in verbose with btex code, like "cpu/gpu unsupported." It tells me...

What can I do?

Because I'd hate to throw it away.

submitted by /u/Icy-Requirement-3540
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