Typing http //extender.linksys.com with a space instead of a colon will prevent your browser from accessing the setup portal. The correct URL is http://extender.linksys.com. This link opens the Linksys extender’s configuration page where you can perform initial setup, change network names, and apply security settings. Be sure your device is connected to the extender’s network before a... https://linksys-wifi.com/