Samsung TV is a great way to watch all of your favorite apps including YouTube on a bigger screen. When YouTube TV stops working on your Samsung TV, there are a lot of steps you can take to Fix YouTube TV Not Working On Smart Samsung TV.1. Power Cycle Your Samsung Smart TV and Router2. Relaunch The YouTube TV App3. Remove Cache On Samsung Smart TV4. Update YouTube App On Samsung TV5. Uninstall And Reinstall The YouTube App On Samsung Smart TV6. Reset Samsung TV