Why is my airplay not showing

Trouble shooting AirPlay

http://support.apple.com/kb/TS4215

http://support.apple.com/kb/ht5209

http://support.apple.com/kb/ht4437

http://support.apple.com/kb/TS4215

 Cheers, Tom 😉

I have examined and applied the points in the support links.

Still no Airplay icon appears underneath the Dock in the running Apps section, swiped to the left most.

I have reported this problem a number of times to bugreport.

Usually, I restart AppleTV, iPad device and then it works. But, now, the Airplay icon just won't show.

All devices have connectivity. AirPlay was last working less than 24hours ago.