Mirroring help for osx
I've got a Mid 2011 iMac and a generation 2 up to date apple TV. Thus both my devices meet the mirroring via airplay requirements ( http://support.apple.com/kb/ht5404 ). The problem is when I try to mirror my devices I get nothing. I can mirror audio to my appleTV no problem but no visual.
iMac (21.5-inch Mid 2011), OS X Mavericks (10.9.2), AppleTV gen 2 just updated