Apple tv connected to Macbook Air but won't allow me to control my computer
I have a 3rd generation Apple TV and a brand new Macbook Air. I have tried connecting and reconnecting the wifi, Reseting and Restoring the Apple Tv settings. But when I connect my Macbook Air to my Apple Tv it will display my computer screen but it won't allow me to control my computer. I don't know what else to do. Please help!!
MacBook Air, iOS 9.0.2