I don’t have specific troubleshooting advice to give, but I have been using an Nvidia Shield Pro as my main streaming device for about 4 years now. It is overpriced for what it is, but it has been rock solid for streaming via both Jellyfin and Plex.
The official Jellyfin app is definitely not as polished as Plex, but it has consistently worked for me on the Shield.
For me anyways, it’s less “what was I doing?” and more “how do I not be an incompetent combat derp?”
I recently fired up God of War after a few months on a different game and promptly got slaughtered for the next 90 minutes straight until I could re-learn all the combos, special abilities, and enemy attack patterns.