Where can I find a win 7 compatible video driver for my compaq presario v2000?

I recently installed windows 7 on my laptop but when I tried to play my age of empires 3 game it said my graphics card had 0mb and no matter where I look I can't find a driver compatible. do any of you have one?|||Run windows update. It will find the driver and update it.|||try the company's page who made the card (intel or nvidea or someone)