- Verify that your TV is a 4K television by checking the manual or specifications online.
- Check that your HDMI cables are rated for 4K viewing.
- Check the settings on your TV and confirm that 4K resolution is enabled.
- Check the settings on your external device (gaming console, media player, etc) and confirm that 4K resolution is enabled.
- Check the content you’re watching and make sure it is in 4K resolution.