There is a modify button.
no there isntEDIT: i can't find the modify button, help me :' (
Press the Vista Logo (On the keyboard or with the mouse), go Run, now type "dxdiag" without the quotation marks. Press enter. When it's done reading, go into Display. Look for the Chipset, then post what you see, here. We'll help.
ATI Radeon Graphics Processor (0x9588)