The WiFi technology can be a source to get internet on your devices, but these devices also face troubles sometimes in connection. But these issues are pure resolvable. Here in this troubleshooting guide, you will get to know the solutions to resolve the issue: EX2700 WiFi range extender unable to connect with router. https://mywi-fiext.net/ex2700-wifi-range-extender-unable-to-connect-solutions/