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Apologies for never replying back! I had to re-install my rx580 to complete the installation, then put the 5700xt back in.

It worked, thank you!

I used opencore and successfully booted into Catalina, but the serial # is reading "OPENCORE_SN1" Is there any cause for concern here? I haven't connected my apple ID thinking it might be flagged or something without a proper serial #. I followed the directions on the opencore guide and...

Yeah, that 5700xt is probably mucking things up. I'm going to do a bit more sleuthing around the internet and troubleshooting. Thank you for all your help!

Yes, I'm connected via ethernet.

Sorry, I probably didn't use the correct terms (still an amateur in the hackintosh world!) So, I loaded my Catalina USB boot-loader with the EFI file you gave me. It got me to installation page where I erased and formatted my hard drive to load Catalina. I then installed Catalina on my new...

Thank you. It got me a lot further, but when I run Catalina off my new boot drive it fails about half way through (see pictures).

Thanks for quick the reply P1LGRIM. I added that, but still got the same results.

Hi all, I recently updated my GPU from a RX 580 to RX 5700xt. Now I'm trying to update from Mojave to Catalina because I know Catalina supports the 5700 better. I've used my own EFI folder along with multiple others from builds with similar hardware to mine, but still get hung at the same spot...