Latest drivers ( 455.32.00) - display frozen

I have Driver Version: 455.32.00 CUDA Version: 11.1 and my display starts, but is frozen. Using lightdm on 5.4.0-52-generic kernel, Ubuntu 20.04.1 LTS

What can I do to fix it? I tried downgrading to 450 drivers and the same issue…
Regards,