Sorry for late answer !
Yes ! I Successfully install monterey on my computer.
Still have this problem with sound for choosing front or rear output. But at all it's not my priority.
Thanks a lot for your help
I attach my current EFI folder ;-)
I finish for USB. I put USB key on all port I want to use and generate a kext.
For sound, I try all layout. I will use the one who works infront and connect and disconnect my speakers or headphones
Thanks a lot for your help !
It's rare my computer boot well. Most of cases I have a frozen underscore. USB or not, cold or hot boot this problem happen randomly. Even if I wait 1 or 20seconds
I haven't test my RX560 on Windows since 3 or 4 months. But she's in good condition I think.