Is the mic on, but you hear static? Try to factory reset Google Home to restore all its settings back to the way they were ...

The good part is that you can change the startup page on Chrome ... to the left of the address bar at the top of Google ...

This will complete your Chromecast's factory reset process and you can begin setting up the device as new. 1. On your mobile phone or tablet, locate the Google Home app icon and tap to open it.