HI thank you for reply. actually i found workaround for this problem. i have used "nvidia x server settings" utility and had replaced /etc/X11/xorg.conf with generated settings and now ubuntu always starts with my preferred setting instead default.
-- ubuntu start low resolution in 50% cases https://bugs.launchpad.net/bugs/266987 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
