The Microsoft DirectX Diagnostic Tool gives you with data about the DirectX API components and drivers on your arrangement. It allows you to test sound and graphics output and Microsoft DirectPlay service suppliers. You can employ the diagnostic tool to gather reports about your system to employ for diagnostic reasons.

If you are knowledge troubles when running Microsoft DirectX applications, the DirectX Diagnostic Tool can assist you find the source of the trouble for instance incorrect versions of DirectX components, need of hardware acceleration, devices that are not connected and unidentified drivers.

You can check Microsoft DirectDraw and Direct3D on every monitor fixed to your system. You can also test DirectSound on every wave output device and DirectMusic on every music port. To run the DirectX Diagnostic Tool click on Start, Run and kind in dxdiag and click Ok. When you sprint the tool for the foremost time you may acquire a message similar to the one under asking if you desire the tool to check to observe if your drivers are digitally signed. Click yes to the dialog box.



Afterward you will see a Latest window with various tabs.



The System tab illustrates information about your computer and displays the edition of DirectX mounted on your computer.

The DirectX Files tab illustrates the file name and the edition number for each DirectX file mounted on your computer. It also illustrates the file names and the edition numbers of other files that are used by games that are running under DirectX.

The Display tab lists your present display settings, and allows you to immobilize DirectDraw, Direct3D and AGP Texture Acceleration. You can also test DirectDraw and Direct3D from the Display tab which will point out that the DirectX Graphics runtime files are mounted and operating properly. It will also display your device's available memory and can inform you if your video driver has approved Microsoft's Windows Hardware Quality Labs testing normal. The DirectX Diagnostic Tool cannot report memory that is occupied at the time that it starts and you may see less memory reported than your video card in fact has.

The Sound tab displays your present audio settings and permits you to test DirectSound. It will tell you if you’re audio driver are signed, meaning that it has passed Microsoft's Windows Hardware Quality Labs testing average. The Hardware Sound Acceleration Level slider is utilized to correct audio glitches that might be caused by some audio drivers. You can adjust the slider settings and see if it gives better results in your application. Be sure not to lower it too much or you may stop some audio features of your system. If the tool senses a problem with your sound settings, a warning message is displayed in the Notes box.

The Music tab displays your present MIDI settings and permits you to test the DirectMusic component of DirectX. Click on the Test DirectMusic button to do the test. If the DirectX Diagnostic Tool notices a problem with DirectMusic, a warning message is displayed in the Notes box.

The Input tab lists the input devices linked to your computer such as USB and PS2 devices. It also displays the input drivers mounted on your computer. If the DirectX Diagnostic Tool detects a difficulty with an input device or an input device driver, a warning message is exhibited in the Notes box.

The Network tab lists the registered DirectPlay Service Providers. These are the connection methods that DirectPlay will operate across. A registry difficulty here can normally be determined by reinstalling DirectX. A registry error here can usually be resolved by removing and reinstalling that application. If the DirectX Diagnostic Tool detects a difficulty with a DirectPlay Service Provider or Application, a warning message is displayed in the Notes box.

The More Help tab permits you to further troubleshoot problems that the other tabs could not resolve. Aspects include the DirectX troubleshooter, sound troubleshooter, system information tool and the override tool which will supersede DirectDraw’s refresh rate.