The icon that shows the status of the network. Called: Network-manager. Suppose it's a wired network connection. is the top and bottom two arrows, assuming the wireless network. is the shape of a transmitting signal.
sudo gedit/etc/networkmanager/nm-system-settings.conf
change False to True to save exit
sudo service Network-manager restart
At this time The network icon is still not displayed, but the Internet is available:wireless Internet settings such as the following:
Ifconfig
Locate the wireless information wlan1.
sudo ifconfig wlan1 up
Industrial control computer to find the network of its own initiative. and on the link.in order to restore the icon:
Open the terminal. Enter the following in turn:
Gconftool--recursive-unset/apps/panel
RM-RF ~/.gconf/apps/panel
Pkill Gnome-panel
At this point, the icon reverts to the original layout.
The solution to the disappearance of the network management icon in the top right corner of Ubuntu 10.04
