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?

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Open up a terminal in the GUI, and sudo nano /etc/default/grub.

Add either of the following to the GRUB_CMDLINE_LINUX_DEFAULT line:




Where 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.

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  • As I cannot comment yet, via reply: It's not either - when you use the nvidia driver and grub2's gfxterm, you have to use nomodeset otherwise you cannot switch to a tty. vga=xxx is optional to change the resolution. Now I'm happy again with tty in 1600x1200 and graphical boot menu :) – doktor5000 Dec 16 '14 at 21:12

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