sudo apt-get install wicd
sudo service stop wicd
rm /var/lib/wicd/resolv.conf.orig
ln -s /var/lib/wicd/resolv.conf.orig /run/resolvconf/resolv.conf
sudo service start wicd
sudo apt-get remove network-manager
sudo apt-get autoremove
sudo apt-get install wicd
sudo service stop wicd
rm /var/lib/wicd/resolv.conf.orig
ln -s /var/lib/wicd/resolv.conf.orig /run/resolvconf/resolv.conf
sudo service start wicd
sudo apt-get remove network-manager
sudo apt-get autoremove