I solved changing Chromecast power supply. Whit old WiFi on 2.4 GHz
channel, the TV usb power was ok, but now with mesh, probabily the
Chromecast need more amperes.Do you have the Chromecast connected with
standard power supply or with television usb...
I've the same issue after installing nest WiFi pro mesh. It seems that I
can't see the Chromecast in Google Home when the smartphone is connected
on different mesh device.
