Google Nest Community

Installed in the winter, now need the AC to work. As explained in the title, it will turn on for a few seconds, but shuts off immediately because the wifi disconnects.

Just installed my new Nest Thermostat, and it won't even let me connect to my wifi, simply displays "Disconnected" without any other possibility. I am having issues with the power to the unit, is that the problem? Once I resolve this issue will I be ...