if you are using a Amazon Fire TV stick, you can follow these steps:

1. Make sure your Amazon Fire TV Stick is connected to your TV and to the same Wi-Fi network as your laptop or computer.
2. On your laptop or computer, open the Google Chrome browser, and open your Photo Wall link (which can be found in the dashboard).
3. Click on the three vertical dots in the top right corner of the browser window and select "Cast" from the dropdown menu.
4. In the "Cast to" window that appears, click on "Sources" and select "Cast Desktop".
5. Select your Amazon Fire TV Stick from the list of available devices.
6. Your screen should now be cast to your TV! You can use the controls in the Cast tab to adjust the volume or pause and resume playback.
7. To stop casting, click on the "Cast" button in the Chrome browser again and select "Stop casting" from the dropdown menu.