Click Start>type 'DxDiag'>select 'DxDiag'> select 'Run As Adminstrator' (enter password and answer UAC if prompted)>(check WHQL to have DxDiag report if your hardware and drivers are qualified by WHQL) select button 'Run 64-bit DxDiag if a 64 bit system.
When test is done, click the tab named 'Display'
At bottom see if there are any errors shown.
From text in this tab, report here the text next to the field 'DDI Version', or:
You can also review online the specifications for your video card, the card name will be in the Display tab also or it can be found in system information by typing 'system' in the start menu and selecting 'system information'. This information will be generic, it will be best to know the exact manufacturer, model, and version of your Video Card.
A Video Card that supports DirectX 9 is the minimum
for Vista or Windows 7 (but will not provide all the performance of a better newer Video Card, of course) and a DirectX 10 or higher Video Card is recommended
, the better the card the better your results. Windows 7 system requirements - Microsoft Windows