Community Solution

GTX 1050 Ti Not Used by Jellyfin on ZimaOS: Restore the Driver and Verify NVENC

A January 2026 thread where an RTX 50XX driver extension broke GTX 1050 Ti NVML access; the extension was removed, host detection returned, and Jellyfin NVENC checks continued.

A ZimaOS user initially saw a GeForce GTX 1050 Ti but could not confirm Jellyfin hardware transcoding. They then installed the separate RTX 50XX driver extension on this older Pascal GPU. Jellyfin and Immich stopped starting with nvml error: driver not loaded.

The thread ultimately established two separate stages: first restore a working host NVIDIA driver, then prove that Jellyfin is actually transcoding through NVENC. A low general GPU percentage alone is not enough evidence either way.

The NVML Error Was a Host-Driver Failure

The NVIDIA container runtime needs the host kernel driver and NVML before a GPU-enabled container can start. If nvidia-smi fails on the ZimaOS host, changing Jellyfin settings cannot fix the container.

ZimaOS terminal output showing NVIDIA driver and nvidia-smi diagnostics for a GTX 1050 Ti
The source user captured host-level NVIDIA diagnostics after the mismatched RTX 50XX extension caused NVML errors.
Additional ZimaOS NVIDIA diagnostic output after the RTX 50XX extension was installed
The error had to be resolved on the host before Jellyfin could use the GPU.

Remove the Mismatched RTX 50XX Extension

An IceWhale team member provided the recovery command used in this exact thread:

uninstall-nvidia-kernel-open

The user then rebooted and confirmed the system returned to its earlier state. This command applies to the extension installed by the linked RTX 50XX tutorial; do not use it to remove unrelated driver packages. Preserve app data and maintain local console access before changing kernel extensions.

ZimaOS GPU widget after uninstalling the mismatched RTX 50XX NVIDIA extension
After uninstalling the extension and rebooting, the source user reported that GPU detection returned to normal.
nvidia-smi output after restoring GTX 1050 Ti driver operation on ZimaOS
A working nvidia-smi result is the host-level checkpoint before restarting GPU-enabled apps.

Enable NVIDIA Access for the Jellyfin Container

Open the Jellyfin app settings in ZimaOS and enable NVIDIA GPU support for that container. Installing the NVIDIA-specific app image does not guarantee the device has been passed through if the toggle or runtime configuration is missing.

ZimaOS Jellyfin container settings with NVIDIA GPU support enabled
The ZimaOS app must receive GPU access before Jellyfin can use NVENC.

Enable NVENC in Jellyfin

In Jellyfin’s transcoding settings, select NVIDIA NVENC and enable only codecs supported by the GTX 1050 Ti. The current Jellyfin NVIDIA hardware-acceleration guide explains the driver and codec boundaries.

Jellyfin transcoding settings showing NVIDIA NVENC hardware acceleration options
Jellyfin must be configured to use NVENC after the container receives the GPU.

Force a Real Transcode and Look for ffmpeg

Direct Play sends the original media and may leave the encoder idle. Start playback that actually requires transcoding, then check the Jellyfin dashboard playback details and run nvidia-smi. The expected proof is an ffmpeg process using the GPU.

nvidia-smi example showing an ffmpeg process using NVIDIA hardware acceleration
The official reply used ffmpeg in nvidia-smi as the decisive evidence of active hardware transcoding.

The final source post still did not show ffmpeg during its 4K test, so the thread did not confirm a complete transcoding fix. Check playback mode, codec support, subtitles, tone mapping, and Jellyfin logs rather than relying on one percentage widget.

GTX 1050 Ti Jellyfin FAQ

Can a GPU sit near 1% while hardware video encoding works?

Yes. General 3D utilization can stay low; verify the video engine and the ffmpeg process.

Should the RTX 50XX extension be installed on a GTX 1050 Ti?

No. The source user’s mismatched installation caused the host driver to stop loading.

Did the thread prove the final 4K transcode used NVENC?

No. Driver recovery succeeded, but the last screenshots still lacked ffmpeg in nvidia-smi.