When I turn the deep fog on for my game on a new computer I just got, well, there isn't any. It works just fine on my older laptop, though. I'm guessing it's a graphics card issue, but should I be looking at other settings before going out and upgrading the graphics card? Here's the new computer's specs:

E-machine
AMD Athlon 64, 3500+ processor
ATI Radeon Express 200
1G RAM
2.2 GHz
512 kb L2 cache
200 Gig hard drive

Thanks for any suggestions,
Spaz