Thanks for writing.
It seems that the issues you experienced were related to incompatibilities caused by your previous video adapter and the driver.
It is good that you managed to resolve them, hopefully this will be helpful for other that might experience similar difficulties.
Do not hesitate to get back to us in case you have further questions or need assistance.
the Telerik team
Let us know about your Windows Phone 7 application built with RadControls and we will help you promote it. Learn more>>