sudo service network-manager stop sudo rm /var/lib/NetworkManager/NetworkManager.state sudo service network-manager start sudo gedit /etc/NetworkManager/nm-system-settings.conf #把 false 改成 true 保存 退出 sudo service network-manager restart
然后再输入
gconftool --recursive-unset /apps/panel rm -rf ~/.gconf/apps/panel pkill gnome-panel