Well, it seems that switching the WLAN in the BIOS to "on" and from "Alt+FN2" to "Application" did the trick. It works now - weird, under Gentoo it also worked with the other settings....
** Summary changed: - BCM4309 starts firmware and reports radio working but doesn't find any networks + BCM4309 on Dell Latitude D410 starts firmware and reports radio working but doesn't find any networks ** Tags added: d410 dell wifi wlan -- BCM4309 on Dell Latitude D410 starts firmware and reports radio working but doesn't find any networks https://bugs.launchpad.net/bugs/398167 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs