DirectX Diagnostic Tool
DxDiag ("DirectX Diagnostic Tool") is a diagnostics tool used to test DirectX functionality and troubleshoot video- or sound-related hardware problems. ... DxDiag is located in %SystemRoot%\System32.
Open and run DxDiag.exe
Windows 10
This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help.
In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results.
In the tool, select Save All Information for an easily shared format.