I'm having the same problem with the Toshiba Satellite Pro 4600 I got yesterday. Hope the xrandr and ddcprobe outputs help you figure out the problem. In the meantime I'll fix this manually from xorg.conf and report the necessary configuration steps here.
-- xorg fails to correctly detect Satellite pro 4600 screen resolution https://bugs.launchpad.net/bugs/239722 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
