SOLVED: Not possible to play media when NVIDIA NVENC

[TheDreadPirate]

In the guide I linked, did you also complete steps 4, 5, and 6?

Code:

Add your username to the video group:

sudo usermod -aG video $USER

Update dynamic links and restart the Docker service:

docker exec -it jellyfin ldconfig
sudo systemctl restart docker

Check the NVIDIA GPU's status by using nvidia-smi:

docker exec -it jellyfin nvidia-smi