DirectX Diagnostic Tool (DxDiag) is a diagnostics tool used to test DirectX functionality and troubleshoot video- or sound-related hardware problems. DirectX Diagnostic can save text files with the scan results. May 22, 2024 ยท Press the Windows key, search dxdiag, and click Open to launch the DirectX Diagnostic Tool. Open the Run dialog using the Windows + R shortcut, type dxdiag, and click OK. The Task โ€ฆ Feb 13, 2026 ยท Dxdiag refers to DirectX Diagnostic Tool. This tool is built into Windows OS. It is used to reports detailed information about the DirectX components and drivers installed on your system. It โ€ฆ Launch dxdiag, and then select Save All Information... for an easily shared format. May 26, 2026 ยท To open it, press Windows + R, type dxdiag, and press Enter. No download or installation is required. DXDiag is the DirectX Diagnostic Tool โ€” a built-in Windows utility that has โ€ฆ May 4, 2026 ยท DXDiag.exe is the built-in Windows diagnostic tool that shows detailed information about DirectX components, display adapters, sound devices, and input devices. To quickly open it, press โ€ฆ.

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