Running Ubuntu Studio (Xubuntu) 14.04 I had this or a very similar problem when I changed name and hid the SSID on my wifi.
nm-manager kept looking for the old SSID and would not connect to the hidden network - I had to connect manually on boot. When I told nm-manager to forget the old wifi the problem disappeared. My computer now connects to the hidden SSID and networking is OK. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1316634 Title: Does not automatically reconnect to hidden WiFi network To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1316634/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs