Do you have DirectX 9.0c?

It will tell you on the first window at dxdiag

Also to ID your computer run this program:

http://www.belarc.com/free_download.html

What is listed under System model

I downladed direct x 9 already but its stll saying my graphics car isnt good enough!

Here is the information the download gave me:

Packard Bell NEC 00000000000000000000000 5526000001
System Serial Number: G208820063
Asset Tag: 0123ABC
Chassis Serial Number: 50424E
Enclosure Type: Desktop