You can typically find the latest driver for your hardware on the support section of the manufacturer’s website. If the Diagnostic Tool flags an unsigned driver, updating the driver might solve your problem. Check for “unsigned” driversĪ driver that’s been digitally signed has been tested by the Microsoft Windows Hardware Quality Lab for DirectX compatibility.

If it’s a USB device, unplug it and then plug it back in. If not, reinstall the device according to the manufacturer’s instructions. Make sure the device shows up on the Input tab. If a joystick or other input device fails to respond, it might not be installed correctly. You can typically find the latest drivers for your hardware in the support section of the manufacturer’s website. If that fails, you might need to update the video driver or the card itself. Move the Hardware Acceleration slider to Full.Click the Troubleshoot tab, and then click Change settings.Right-click on desktop and open Screen Resolution.If not, try turning on hardware acceleration. To determine this, click the Display tab, and then under DirectX Features, check to see whether DirectDraw, Direct3D, and AGP Texture Acceleration appear as Enabled.

Some programs run very slowly or not unless Microsoft DirectDraw or Direct3D hardware acceleration is turned on. Once the Diagnostic Tool has finished, here are three key things to check in the DxDiag report. If this is the first time you’ve used the DirectX Diagnostic Tool, you might be asked whether you want to check if your drivers are digitally signed.Ĭlick Yes to ensure that your drivers have been signed by a publisher that has verified their authenticity. To access it, g o to Start in Windows 11/10/8/7, type dxdiag, and press Enter. If you’re having problems getting a game or movie to play properly, the DirectX Diagnostic Tool can help you point out the source. It is developed by Microsoft to provide hardware acceleration for heavy multimedia applications such as 3D games and HD videos. DirectX is a suite of technologies or application programming interfaces used by many multimedia applications or programs in Windows.

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