I'm old and new to my Apple TV. How do I use the Apple TV to cast/mirror from my I Mac to my Sony TV screen?
I'm old and new to myApple TV. How do use the Apple TV to cast/mirror from my I Mac to my old Sony TV screen?
Apple TV 4K, tvOS 15
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to airplay the screen of an iphone, ipad or mac to the tv using an appletv box read Use AirPlay to stream audio and video on Apple TV - Apple Support
to just view the appletv's interface on the tv to choose the hdmi port it's connected to as active input source, using the tv's remote would be sufficient.