Silvan's solution works only for radeon driver and not work for fglrx driver that ubuntu provide.
The new catalyst 10.5 works only when you install driver direct from GUI. This howto: "https://help.ubuntu.com/community/BinaryDriverHowto/ATI" does not work.
Silvan's solution works only for radeon driver and not work for fglrx driver that ubuntu provide. /help.ubuntu. com/community/ BinaryDriverHow to/ATI" does not work.
The new catalyst 10.5 works only when you install driver direct from GUI. This howto: "https:/
Finally, my Sony Vaio SR55 works.