I couldn’t install Catalina after a couple of attempts. I didn’t have time or desire to go on, so I’m still on Mojave.
If you succeed, your input is very welcome.
Glad BIOS settings helped you. I also attached EFI from my boot flash drive.
On PC the kexts (plus several additional not essential ones) are located under /Library/Extensions.
Asus ROG Maximus XI Formula Z390 i9-9900K AMD Radeon VII
Update: Attached EFI from my boot flash drive.
BIOS Setup:
- Load Optimized Defaults.
- If your system has Secure Boot Mode, disable it.
Extreme Tweeker
AI Overclocker Tuner => XMP1
Xtreme Tweeking => Enable
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