Troubleshooting Aervy WiFi Extender No Internet Issue can be quite irritating, especially when the setup process is completed successfully. The Aervy WiFi Extender No Internet Issue is commonly caused by a weak router signal or an incorrect WiFi password. Try moving the extender closer to the router and check the network credentials. Restart the devices to establish a fresh connection. If the problem persists, perform a factory reset and set up the extender again.