DirectX SDK |
DirectX Diagnostic Tool gathers information on the system and the DirectX components installed on it, as well as providing a number of tests to ensure that components are working properly. A special version of this tool installed with the DirectX SDK allows developers to report problems directly to the DirectX development team.
Executable: (SDK root)\Bin\DXUtils\Dxdiag.exe
DirectX Diagnostic Tool has its own Help file, which can be accessed by clicking the Help button.