When I first installed Ubuntu 14.04, I used the command line to install the nvidia drivers to my computer. Now, if I try to open any of the 6 TTYs, I lose all display and my monitor cuts off until I exit back to the GUI. Is there any way I can fix this?
Open up a terminal in the GUI, and
sudo nano /etc/default/grub.
Add either of the following to the
xxx is a VESA screen code that best matches your screen resolution. You can find a list of these here.
Once you are done, save the file, and run
sudo update-grub. Reboot, and the TTYs should be working again.