Proprietary ATI driver is not the only possible cause. A message like "Sorry, Desktop effects is not supported by your material and/or your configuration." Perhaps with a litel script to see where is the mistake (more common).
Proprietary ATI driver is not the only possible cause. A message like "Sorry, Desktop effects is not supported by your material and/or your configuration." Perhaps with a litel script to see where is the mistake (more common).