Troubleshooting If Wicd fails to connect after you install it, make sure that the only entry in your /etc/network/interfaces file is auto lo iface lo inet loopback You can change the contents of this file by pressing alt + f2, then typing gksudo gedit /etc/network/interfaces if you are using Gnome, or replace gedit with kate if you are using KDE. This will allow you to view and edit the /etc/netwo