The Solution for the problem is: $ xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync $ xrandr --addmode VGA1 1920x1080_60.00
but i still don't know why the automatioc detection is wrong. -- External monitor detected wrong https://bugs.launchpad.net/bugs/630846 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
