This little but irritating issue.
First install Numlockx
Next open your 50-unity-greeter.conf file
Once your editor loads, type this into the file:
Press cntrl + S to save. Exit window.
First install Numlockx
Code:
sudo apt-get -y install numlockx
Next open your 50-unity-greeter.conf file
Code:
sudo gedit /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
Once your editor loads, type this into the file:
Code:
enable Num Lock automatically on startup
Press cntrl + S to save. Exit window.