Cannot switch on Airplay

I have an iMac 2012 end El Capitan running.  When I click on the airplay icon, it shows it's off.  There is no option to turn on!

Any suggestions?

The minimum requirements for AirPlay is:

  • Apple TV (2nd or 3rd generation) with software update version 5.0 or later.
  • And one of these Mac OS X 10.8 (Mountain Lion): iMac (mid-2011 or newer), Mac mini (mid-2011 or newer) MacBook Air (mid of 2011 or newer) MacBook Pro (Early 2011 or newer)

Your configuration meets these minimum?

Tags: Apple TV

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