AirPlay with AppleTV 4th gen stopped working

Dak_Kol wrote:

AirPlay with AppleTV 4th gen stopped working after Catalina Update on 20mar2021 Macbook 13 and Macbook Pro 2013. How to get it working again?

Apple support online recommendations do not work.

Apple support person said wipe SSD and reinstall old version of OS and reinstall all apps.

Not a good solution.

How to I get it working again?

AirPlay system requirements

https://support.apple.com/en-us/HT208728


https://support.apple.com/guide/macbook-air/use-airplay-apdf1417128d/mac

Use AirPlay to stream video or mirror your device’s screen

https://support.apple.com/en-us/HT204289

Stream content using AirPlay with Apple TV - Apple Support

https://support.apple.com/guide/tv/stream-content-using-airplay-atvbf2be9ef7/tvos

Use AirPlay to stream audio - Apple Support

https://support.apple.com/en-us/HT202809

If AirPlay or screen mirroring isn't working on your device ...

https://support.apple.com/en-us/HT204291