This is from the google support siteUnplug the power cable from your
speaker. Wait for 10 seconds. Plug it back in, and wait until all 4
lights on the top illuminate.Repeat step 1, 10 more times.After you plug
your speaker back in the final time, you...
Has anyone tried this -
https://support.google.com/googlenest/answer/9837834 . It worked twice
for me once in september and once today when my google home went
unresponsive. Both times at the end of this process Google Home reset
itself and was back ...
My Google Home stopped working with solid orange light at back and no
lights at top after the initial 4 white lights. What worked for me to
fix it was this instruction
https://support.google.com/googlenest/answer/9837834