YouTube TV Not Working on Smart TV: How to Troubleshoot [2022] If YouTube TV not working on Smart TV, it could be due to minor issues. You can quickly fix these issues with these simple troubleshooting steps: 1. Check Your Internet Connection: If YouTube isn’t working, try rebooting your modem and router. 2. Check Your Cable Connections: Next, ensure that all the cables between devices are plugged in securely. 3. Restart Your Device: Restarting your device resolves many software problems. 4. Check for Updates: If your YouTube TV app isn’t up to date, it may not be working with the current version of YouTube TV. 5. Clear Cache: Clearing the cache can help if the app doesn’t open, crashes, freezes, or is unresponsive. 6. Delete and Reinstall YouTube TV: If you delete the app and reinstall it, you’ll have a fresh start. After the update is installed, you should restart your host device and try to access YouTube TV again. Check if the issue is resolved.