Dell 9300 doesnt recognise ati 300x Help me if you can

I got this laptop off ebay i installed all the drivers n I thought why not try and hook it 2 my tv.. after a couple weeks of looking in forums n such i realised when I go to device manager the graphics card aint there it had a fresh install of xp when I got it ... but no luck so far .. if ne1 can help it wud b much appreciated n thanks 4 your time :)