
Originally Posted by
Ferral
Having only 512 Mb Ram will really be making you suffer a performance loss. Also a Celeron processor isn't exactly great for gaming in general. Finally what type of 6600 card are you using (GT, LE or whatever other variation there are out there).
I would try re installing motherboard drivers and removing / re installing the Nvidia drivers (use Drivercleaner Pro to remove the Nvidia drivers completely, free to download and use. Google is your friend here). I am using the 91.47 driver set on my 6600GT AGP card with no trouble at all so would recommend them. Finally try re installing Direct X 9.
Also make sure that you have the game set to DirectX 8 as using DX9 effects with the setup you have will cause you performance probs. You will find this option in the game under the advanced graphics tab.