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-X, which is subscribed to x11-xserver-utils in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
