follow this: -Stopping lightdm on tty (Ctrl+Alt+F1...) sudo /etc/init.d/lightdm stop (or other DE). Use -f if this not work
-Edit /etc/default/grub sudo nano /etc/default/grub Modify "quiet splash" in "text" for boot from console Edit this line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" in this: GRUB_CMDLINE_LINUX_DEFAULT="text" -If you don't want grub timeout edit this line: GRUB_TIMEOUT=5 in this: GRUB_TIMEOUT=0 Then Update Grub update-grub Remove lightdm during boot update-rc.d -f lightdm remove (-f for forcing) Then reboot: sudo reboot For start lightdm from console sudo /etc/init.d/lightdm start I use this method on my computers (remember that admin rights are required) I hope I have helped you
