I downloaded update, start installation, I arrive at reboot and I find myself with the classic Macintosh Hd disk at boot. I start that but nothing, in a few seconds the pc restarts. After several attempts I start the standard mac hd, but I always end up with big sur.
I have OC 0.7.4 and set securebootmodel to default
I have OC 0.7.4 and set securebootmodel to default