Playing music and photo's etc. from my iMac to my ATV3 connected to my Wi-Fi network (1) and ATV3 (2) I get the following popup appear on my TV screen which is an AirPlay popup which says "Wirelessly send whats on your IOS devise or computer to this display using AirPlay"
How do I resolve this issue and get rid of this popup please????
iMac (21.5-inch Mid 2011), iOS 9.2, ATV is 3rd Gen
