With the new 13.4 drivers (version 2:12.104-0ubuntu1) the situtaion is the same as reported in my previous post about the 13.2 beta 7 drivers.
P.S.: @Nick Andrik: Even if late, I would like to thank you again for your precious aid in solving this bug! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1068404 Title: Low graphics mode in muxless hybrid ATI/Intel GPU systems after fglrx upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1068404/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs