The nvidia-persistenced group/user is created by the install script in the nvidia-utils package (or equivalent if you use one from the AUR). Reinstalling nvidia-utils will recreate the needed nvidia-persistenced group/user. Without reinstalling you can directly run both commands referenced in the link: Whether you’ll want to enable/disable the nvidia-persistenced service ultimately depends on your specific (NVIDIA) hardware. … Continue reading Ubuntu: Failed to start Nvidia Persistence Daemon