The solution posted by @schlypel worked for me too. As for @jason-t-lenz, it was not called "nvidia-persistenced" but "nvidia-persiste". I could then install nvidia-331-updates with no issues.
The solution posted by @schlypel worked for me too. As for @jason-t-lenz, it was not called "nvidia- persistenced" but "nvidia-persiste".
I could then install nvidia-331-updates with no issues.