How to restore the Linux Mint panels to their default state.

In some case Linux Mint unable to load its panels do our custom settings. The following command restore Linux Mint panel into its original state. Which means this will remove ALL of your panel settings and restore the single mint panel to its default setup.

Start a new terminal (Default CTRL-ALT-T)
 Execute the following commands:

gconftool-2 --shutdown
gconftool --recursive-unset /apps/panel
rm -rf ~/.gconf/apps/panel
pkill gnome-panel

Reboot the system to see the panel.