I have the same issue on Fujitsu S6210 with 855GM. I was able to switch cleanly with i855crt as mentioned in the bug linked by Seb, but the hotkey switching produces dirty output on the VGA port.
-- [i855] Clone Mode makes external display very blurry/wobbly https://launchpad.net/bugs/36550 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
