On my iPad mini I cannot seem to enable the mirroring feature. AirPlay in the photos app or any video app works fine:
However the AirPlay icon is missing in the taskbar, where it should be according to Apple's documentation:
How can I get back the AirPlay icon? I've already tried rebooting all devices.
Edit: This is what I am looking for (source: Apple Support)
Best Answer
After another round of reboots (first: software update for the Apple TV, second: reboot of the iPad mini), it now works:
It seems that some hiccup was responsible, which was very, very sticky. So the often mentioned hint of rebooting does really work. Just try it often enough... :)