Hi folks. Been struggling with an install for a while. I was able to get to the installer a few days ago, and installed Catalina, but I don't think I finished the install properly. Regardless, I'm curious if anybody has had success with or knows how to install from the USB using the dedicated GPU. I've got the RX 5700 XT (MSI). I have an i7-7700K, so I'm using the iMac18,3 with a AAPL,ig-platform-id of 03001259 and boot args "agdpmod=pikera". I also tried MacPro7,1 as per the guide. After the picker, I get lots of (normal) console output, then it drops me into a black screen.
(P.S. I searched, and was unsuccessful in finding any posts about this)
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