Problems with connection from MacBook Air to Apple TV
I cannot connect my MacBook Air with my Apple TV, because I get the message:
MacBook Air 15″, macOS 15.5
Question marked as
What is your model Apple TV box?
Identify your Apple TV model - Apple Support
Find your Apple TV model number - Apple Support
To stream from your Mac to your Apple TV box, verify that AirPlay has been activated on the Apple TV box, through Settings﹥AirPlay and HomeKit﹥AirPlay﹥On, and its related settings there.