http://www.nzone.com/object/nzone_callofduty4_home.html
Go there and hit "Click here to test your system" It might give you more details on what your system needs. I would also try installing the latest drivers for your GFX card.
The above is the minimum spec card required.
It also needs to have the following features....
Like I said, that is only the minimum required.. this will probably be able to run the game at it's lowest settings, to get the best out of the game the recommended is as follows...
That is just for the graphics card, the page quoted at the top of this post also gives you the details for CPU, Memory and Sound etc etc.
Just realized this is my 1st post in here.. and to think I signed up last July
