Was there an install driver?
Try getting another:
http://www.techspot.com/drivers/index/file/information/3416
Genuine ATI:
https://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&folderID=27
Try that.
Try getting another:
http://www.techspot.com/drivers/index/file/information/3416
Genuine ATI:
https://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&folderID=27
Try that.