- Nov 11, 2018
- Asus ProArt Z690-Creator
- RX 6800 XT
- Classic Mac
- Mobile Phone
Device 0x73FF is natively supported in Monterey 12.1 (beta).
- Is Resizable BAR Support enabled or disabled in BIOS? Best to leave it disabled for now.
- Just to confirm: Are you running Monterey 12.1 beta?
- Are you booting from the correct EFI partition?
- Have you tried CMOS Reset followed by configuring BIOS parameters?