I have a home full of Chromecasts. 15 Chromecast Audio, 1 Chromecast 3rd Gen, Chromecast Ultra, and 2 Chromecast with Google TV.
I use a Samsung Galaxy Note 20 Ultra and a Samsung Galaxy Tab S7+, both on Android 11.
In the Google Home app, the "Cast my audio" option works fine with the 15 Chromecast Audio.
The "Cast my screen" option also works fine with the Chromecast 3rd Gen and the Chromecast Ultra.
Unfortunately, "Cast my screen" does not work with the 2 Chromecast with Google TV.
The devices appear in the Google Home app. I am able to select them and press "Cast my screen". But nothing happens on the device at all.
Any idea why this might be the case, and how to fix it ?