Probably because you have SIS graphics hardware. The driver for this is not very well maintained. Refiling.
** Package changed: xorg-server (Ubuntu) => xserver-xorg-video-sis (Ubuntu) -- Cannot find right resolution and aspect ratio as supported by monitor and video card. Ubuntu gives a lower resolution https://bugs.launchpad.net/bugs/537232 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
