Serious sam 2 missing textures
 

While i am playing serious sam 2 i get a kind of multi-coloured spray effect all over the screen. I have tried 3 different drivers but still the same can anyone help?


System Specs

AMD Athlon 1.2 GHZ overclocked
Elite K7s5A
768 MB pc2100 DDR Ram
Radeon 9700
40 GB HD
Sound Blaster 16 :D
19 INCH 1600X1200 monitor

contact the game devolper or the publisher for there support.