When I hook my iphone6s to my smart tv it has sound and picture until it plays the actual show then no picture. What am I doin

Dec 11, 2017
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I can’t get a picture to show up when I play a show from my phone to my tv. Everything else works great but when the show comes on there is no picture just sound. What am I doing wrong.
 
Solution
Make sure what you are using to play the video and the video itself has access to play on an external device. Some things are prevented from playing on an external screen.