May 10, 2019 · You should also make sure you're running the latest software for your Mac and Apple TV. Click on the AirPlay icon on the right side of your Mac's menubar. Click on Apple TV from the dropdown. (If you have multiple Apple TV's in the vicinity, choose the one you want to use right now.) Mirror your desktop using AirPlay Mirroring. Click the AirPlay icon in the menu bar, then choose your Apple TV. When an AirPlay display is active, the icon turns blue. In some cases, you can use an AirPlay display even if your MacBook Air isn’t on the same Wi-Fi network as Apple TV (called peer-to-peer AirPlay). In the Mac menu bar, search for the AirPlay icon that looks like a television with a triangle underneath. Click on this icon and connect to either your Apple TV unit or supported television. 3. On your Mac, open the app or video that you’d like to stream to the television and play.