I am running the GNOME 3 desktop environment on Ubuntu 11.04. I accidentally clicked the "Don't show again" option when a notification from NetworkManager came up, but would now like to have it back. How can I restore it?
Restore a missing network manager.
Run application (Alt+F2 or click on empty space on panel scroll to 'run application' add to panel.
Read this article for more information.
Open terminal and type
After that, go to:
Your NetManager could be set to 'hide'. I do not know which box to tick to restore. It could be 'disable-disconnected-notifications'.