Google Nest Community

Once your device is reconnected it should start working again quite quickly

It is fix, and many in this thread have explained what to do if you did a factory reset.

Everyone who has reset their bricked Chromecast needs to understand that you cannot just wait for a fix to be downloaded to it over the Internet because resetting it caused its connection with the Internet to break. You need to help yourselves by fol...

Yes, the answer is here in this thread.

Until you read the answer in this thread and help yourself.