This might be helpful, I changed the HDMI I connected the Chromecast Ultra to. After going through and trying to unbridged the Chromecast, changing lan plugs, connecting to my other wireless router, ...
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This might be helpful, I changed the HDMI I connected the Chromecast Ultra to. After going through and trying to unbridged the Chromecast, changing lan plugs, connecting to my other wireless router, rebooting and resetting the ccu and the Stadia controller I had no success. I finally rebooted the modem. Still didn't work. Then I remembered I had changed the HDMI plug the ccu was plugged into when I cleaned up the wiring to the back of my tv. And that's when it stopped working. I just didn't put the two things together.S I put it back to where it was (HDMI), and now it works. My tv is a Vizio. It's connected ta stereo receiver via hdmi. It has a HDMI feature that works with the receiver that triggers the receiver to turn on. I believe the 2nd HDMI port I used is not part of that loop, but the original one is. Hope this helps someone!