Test a Video Card for Compatibility With DirectX 10
Windows operating systems include a "DirectX" diagnostic tool that will test the highest version of "DirectX" your video card can support. Supporting a higher version means your video card can produce higher quality graphics. You can also refer to the documentation that came with the video card; it will list the highest "DirectX" version supported. Windows applications that use "DirectX" 10 (typically games) will often disable "DirectX" 10 options in their video settings if your video card doesn't support it.
Instructions
1. Press and hold the "Windows" key on your keyboard. Now press the "R" key.
2. Type "dxdiag" in the text field and then press "Enter."
3. Wait for the program to finish checking your hardware then click the "Display" tab. You will see a label called "DDI Version:" under the "Drivers" heading. The number listed is the highest version of "DirectX" your video card supports.
4. Click "Exit" once you've finished.
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