If you are seeing the screen above, your Chromebox media player is not connected to WiFi.
Search for the WiFi you would like to connect the Chromebox to, and you’ll be prompted to add the password.
If the WiFi isn’t appearing, it is most likely because the WiFi is off or out-of-range. Check whether the WiFi is appearing on your phone or on another nearby device. If not, the WiFi router is likely off and needs to be turned on. If yes, the WiFi router may be out of range.