I have a Z77 board with a GeForce GTX 670. My monitor is a Korean 27" IPS with only a single DVI Dual-link connection, and a resolution of 2560x1440. After upgrading to 13.10 today, Unity and the X Window System are non-functional. After booting up, all I see is a screen that flashes between red, green, blue, various blacks, greys, and whites at regular intervals. From here I can switch to command line, and that displays fine, but starting
lightdm takes me back to the flashing colors. I had this problem on 13.04, but I was able to fix it by editing
xorg.conf with the proper information about my monitor. No such luck for 13.10. I have tried:
- installing different drivers (i.e.
- plugging into both DVI ports on my 670
- letting the Nvidia package do the
Admittedly I know very little about X Window system, and all my editing was based on
xorg.conf files posted by others that were claimed to work, none of which used the same combination of monitor and video card as mine. I'm out of ideas at this point, input from someone who knows what they're doing would be greatly appreciated.