What setting did you change?
You might have to factory reset your whole network ( https://support.google.com/googlenest/answer/6246619?hl=en ) then set it up from scratch ( https://support.google.com/googlenest/answer/9548301?hl=en ).
It's us again. We wanted to check if you still need help or have other questions and concerns. Feel free to let us know if you do.
Thanks for the help, olavrb and Mel.
We haven't heard from you in a while so we’ll be locking this thread if there’s no update within 24 hours. If you're still experiencing problems, please feel free to start a new thread and we'll be happy to help.