Or, a hard reset: Hold side button until LED light flashes white and TV goes blank. This article explains how to factory reset a Chromecast device if you have trouble streaming media. You may also ...
You can reset a Google Chromecast to its factory settings if you're having issues with it or if you get a new wireless router. Here's how to do it.
To set up a new Google Chromecast, you'll need a compatible TV and a smartphone with the Google Home app installed.