I think that it could be that Big Sur 11.7.5 doesn’t support the RX 6600.. that’s why I actually trying to update to Monterey but getting always that screen.. it’s so annoying since few days 😴
ERROR SCREEN
EFI
Edit:
System Specs
CPU: AMD Ryzen 5 3600
Motherboard: MSI MAG B550 Tomahawk
Graphics Card: AMD RX 6600