http://www.ubuntugeek.com/how-to-troubleshoot-wireless-network-connection-in-ubuntu.html looks potentially useful but I'm not sure I know how to use it. I don't seem to be able to turn off wpa on my wireless router.
http:// www.ubuntugeek. com/how- to-troubleshoot -wireless- network- connection- in-ubuntu. html looks potentially useful but I'm not sure I know how to use it. I don't seem to be able to turn off wpa on my wireless router.