I am using an Ugee tablet, and am successful at drawing in photoshop but not illustrator. I can't get Illustrator to recognize the tablet pen at all. Its not a pressure issue. Even the interface doesnt respond. And Illustrator crashes when I attempt to draw.
Have you checked the Ugee website for the most recent version of the driver?
Ive uninstalled the Ugee driver, so I only have the Wacom driver installed. And my pen is working in illustrator!
But the 'wacom tablet properties' tells me that my device is not connected.