Nm-applet pretty much ignores any network devices with special configurations and likes to pretend they don't exist. Due to this it probably isn't detecting your wired connection and staying wireless. You should be able to right click the nm-applet and uncheck "enable wireless" though, does that not work?
-- nm-applet doesn't favour wired connections when they have a static set up https://launchpad.net/bugs/87899 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
