Make sure you have:
To cast your photos:
- Connect your computer and TV to the same home Wi-Fi network.
- Go to AT&T TV in your Chrome browser and sign in.
- Select Tools (the 3 vertical dots) at the top-right corner of the browser.
- Select Cast from the dropdown menu.
- Choose the TV or device you want to cast to.
To stop casting, select Cast
and then Disconnect
For easier streaming from your computer, learn how to add a cast button to your toolbar