Press Ctrl+Alt+T on keyboard to open the terminal. When it opens, run the command below to edit the config file:
Open /etc/lightdm/lightdm.conf file from your terminal using the following command:
sudo -H gedit /etc/lightdm/lightdm.conf
If the file exists, then just add the following line:
allow-guest=false
Save the file and exit the editor. Reboot your system,
Open /etc/lightdm/lightdm.conf file from your terminal using the following command:
sudo -H gedit /etc/lightdm/lightdm.conf
If the file exists, then just add the following line:
allow-guest=false
Save the file and exit the editor. Reboot your system,
