Can you make sure network-manager is really installed?
What is the output of the command: 'dpkg -l network-manager libnm-glib2 libnm-util1 network-manager-applet' ?
Can you make sure network-manager is really installed?
What is the output of the command: 'dpkg -l network-manager libnm-glib2 libnm-util1 network- manager- applet' ?