Don't use the setup cd.1.50.14 works just fine on my BEFW11S4v4. Stomp on the reset button for about 20 seconds to reset to defaults. Plug in a WIRED connection between your computah and one of the LAN ports on back of the router. Don't try to do the configuration via wireless. Open an MSDOS window with: Start -> Run -> cmd IPCONFIG Verify that the gateway address is 192.168.1.1. Fire up a web browser and point it to: http://192.168.1.1/Note the extra "/" at the end. You should get the login screen.