Start the process by attaching a wire to make a cable connection between your Linksys extender login and the router. Use an Ethernet cable for that. Ensure that the wire should not be broken. However, always be sure the connection should not be left loose while establishing. Remember these points: Verify if both the devices are nearby after the connection. However, if you are confused about the setup process then you can connect the device wireless as well. keep a very short distance between the devices as it may result in broken WiFi signals. So keep assurance of these things while connecting any device.