1. Check your internet connection
Check your internet connection (wired or wireless) to see if the connection speed is sufficient for streaming (8 Mbps or higher for HD streaming).2. Close applications running in the background
Close applications that may be downloading or using up bandwidth while you're trying to watch a streaming video.3. Check the Smart TV’s network settings
Make sure your Smart TV is connected to the correct network. If you are streaming to more than one device, ensure that they are all on the same network.4. Reboot your Smart TV
Reboot your Smart TV to clear the cache. 5. Change resolution settings of the video
Change the resolution settings of the video and check if the issue persists.