drivers prob

friend got an "compaq pressario 504us" laptop but i cant find the display drivers anywhere including on the webpage of the manifacturer http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=228&lc=en&dlc=nl&cc=nl&lang=nl&product=3340112

could anyone help us out here, its working ok, but the view is quiet blurry
thx