well... it might be the speed of the graphics card try over clocking it just a little.... Download powerstrip google it ..... search...Powerstrip download
Its not a bad video card it performs ok it plays halflife2 and sims 2 and everyother game perfect and u could get it with shipping and eveythign for about 30$ be well worth it , i have the same card in my gateway p4 1.4ghz and it works great.... plays sims 2 and halo and all that perfect