Q: Web Video is streaming correctly, but doesn't play?!

Try the troubleshooting help here >  Use AirPlay to display video from your Mac on an HDTV - Apple Support

try restarting the iPad Restart your iPhone, iPad, or iPod touch - Apple Support

Carol posted the similarly titled link for Mac. At the end of that page is this link

How to use AirPlay on your iPhone, iPad, or iPod touch - Apple Support

What are you trying to stream? Is it only occurring on specific content/apps?

If on wifi try ethernet

Test on another network

Abdullah Ramamneh wrote:

 

I Know how to use AirPlay, i was streaming videos on Apple TV 3 and still using that without a problem..

this issue appeared on new Apple tv (4 generaction)..

with due respect, Abdullah... I was responding directly to this statement

Sep 7, 2016 5:49 AM  in response to Carolyn Samit   

thank you for rapid response, but my issue was happen in my iPad and iphone (iOS) not in Mac..

At the bottom of ALL Apple articles there is this "last resort"

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Contact Apple Support

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In no way a problem.

I encourage you to Contact Apple Support directly if you do not quickly find help here.

Trouble that starts with a change is easily attributed TO that change - in this case an Apple hardware change

Good luck with your troubleshooting.

Does it happen when using an app? Does the same occur when testing on another network (take to another location to verify)