http://downloadfinder.intel.com/scri...?ProductID=922
You have the latest drivers?
That's about the only suggestion I can think of... with no hardware T&L, this is looking like something that belongs in the past, not the present, though ok for business graphics.
http://support.intel.com/support/gra...ming/index.htm
The gaming guide for the Intel-afflicted - hints and tips, and compatible / non-compatible games