BF2 Crashing to desktop

[Poro]

Hello!
I have problem with my Battlefield2. I recently changed my old ATI 9800 PRO to nVidia 6600 GT. Before I changed my Video card, it worked fine. Now, when I start BF2 screen turns black and then it crashes to desktop. I tried to reinstall. I have latest drivers for my 6600 GT. I even tried the old drivers that came with BF2 disc. It did not work. Could someone help me on this? I'd like to get this working.

Specs:
AMD Athlon 64 +3400
nVidia Geforce 6600 with latest drivers
1,5 GB of RAM.

Thanks