It took several days, but it looks like Google has figured out how to resolve a recent issue that borked older Chromecast (version 2) and Chromecast Audio streaming dongles, which was preventing them from functioning.

Google's got a fix for everyone who factory reset their old Chromecast in an attempt to resolve its recent service disruption.

Google has acknowledged an issue with older Chromecast devices. If you're experiencing a problem, it recommends you not perform a factory reset while the fix is implemented.