i had to downgrade to 12.10 but I observed problems also in clean install of 12.10. it worked before. after a few tries I was able to see both monitors and it's ok, but I;m not sure if it will work with the next reboot. attached is the output of xrandr --verbose.
** Attachment added: "file" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1155568/+attachment/3575684/+files/file -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1155568 Title: dual monitor support broken - regression vs 12.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1155568/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs