After, a complete reinstall of nvidia driver again, I managed to use the nvidia-530 driver. I notice that after some recent updates, the oracle kernel and lowlatency kernel were installed: after removing it and reinstall nvidia driver, prime was working again.
After, a complete reinstall of nvidia driver again, I managed to use the nvidia-530 driver. I notice that after some recent updates, the oracle kernel and lowlatency kernel were installed: after removing it and reinstall nvidia driver, prime was working again.