wow, those are low fps in edmark05, something is up, not to make you look stupid, but is the laptop plugged in while you are running 3dmark?
-If you have installed the chipset drivers and graphics drivers and one of those where the isssue then you wouldnt be getting such low scores, I would say do a fresh install(reset your OS) and if that doesnt work, just call dell.
Edit*. By the way, I took for granted you had an XPS2, is that your system?
if what you have is a...