Apple TV is a product by Apple. It is a digital media player and it is used for entertainment purpose. So, it is termed as entertainment device. While using Apple TV, you might face many issues related to audio, video or display. Here is solution page that will help you to resolve video issue in Apple TV.
You can use AirPlay to run videos in your Apple TV.
First, connect the iOS device that you have with AirPlay device with the same Wi-Fi connection.
Access control center in your iOS device by swiping it from up to button after connecting.
Now tap AirPlay.
Now tap over the device name that you want to stream your content.