the capplet use xrandr which apparently has the same problem, updating the package to xrandr
** Changed in: control-center (Ubuntu) Sourcepackagename: control-center => xrandr -- Incorrect resolution detected, with refresh of "-19568 Hz" https://launchpad.net/bugs/84590 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
