Restore Default Graphics Chipset Driver

Originally Posted by davidmohammed
sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.backup

then reboot

Thanks so much, this solved a similar problem I was having. In my case, I’d just installed a proprietary graphics driver, and when I rebooted, my screen went to sleep — as if there were no video input.

Switching to a different tty (ctrl-alt-f1 through ctrl-alt-f6) made the screen wake up and allowed me to log in (command-line only).

Then, renaming the xorg.conf file as per your instructions did the trick — after a reboot, I was able to use TTY7/x11 again. Thanks!

-Khufu

copas: http://ubuntuforums.org/showthread.php?t=1556967&p=10541992#post10541992

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