Microsoft DirectX Diagnostic Tool gives you with information about DirectX API parts and drivers on system. It enables you to check sound and graphics output and Microsoft DirectPlay service providers. You can utilize diagnostic tool to collect information about your system to utilize for diagnostic purposes.

If you are facing problems when executing Microsoft DirectX applications, DirectX Diagnostic Tool can help you get source of problem like wrong editions of DirectX parts, need of hardware acceleration, devices that are not attached and unsigned drivers.

Now check Microsoft DirectDraw and Direct3D on every monitor connected to system. Then check DirectSound on every wave output device, and DirectMusic on every music port. To run DirectX Diagnostic Tool tick on Start, Run and type in dxdiag and tick Ok. When you run tool for first time you obtain a message like following which is asking if you want tool to test to notice if your drivers are digitally signed. Click yes to dialog box.

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Then you will notice a new window with different tabs.

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System tab displays information about PC and views edition of DirectX installed on PC.

DirectX Files tab displays file name and version number for every DirectX file installed on PC. It also displays file names and version numbers of other files that are utilized by games that are running under DirectX.

Display tab shows existing display settings, and permits you to put out of action DirectDraw, Direct3D, and AGP Texture Acceleration. You can check DirectDraw and Direct3D which will show that DirectX Graphics runtime files are installed and operating properly.