This post includes answers for what is dxdiag, how to run dxdiag in Windows 10/11, DirectX Diagnostic Tool’s main functions, and how to update dxdiag.exe driver. MiniTool Software also provides many other computer tips and solutions for users. You can visit its News library.

What Is Dxdiag?

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 can also help troubleshoot video or sound-related hardware problems on your Windows 10/11 computer. If your computer has problems, you may extract the information from Dxdiag application to send it to the support person.

How to Run Dxdiag.exe on Windows 10/11 – 4 Ways

You can easily open and run dxdiag.exe (DirectX Diagnostic Tool) on Windows 10/11 using the 4 ways below.

Way 1. Press Windows + R, type dxdiag in Run dialog, and press Enter to quickly launch dxdiag.exe on Windows 10/11.

run dxdiag

Way 2. You can click Start or the search box at the taskbar, type dxdiag, and select dxdiag Run command to open it.

Way 3. Press Windows + R, type cmd, and press Enter to open Command Prompt. Type dxdiag.exe in CMD and press Enter to run dxdiag application on Windows 10/11.

Way 4. Press Windows + X and select Windows PowerShell (Admin). Type dxdiag and press Enter to open this tool.

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Dxdiag Functions

You can see the dxdiag tool has four tabs: System, Display, Sound, and Input. Dxdiag also displays detected problems with these devices.

System: The System tab displays your current DirectX version, computer name, OS version, system model, BIOS information, process, Memory, etc.

Display: The Display tab display information about your graphics card, monitor, and display driver.

Sound: The Sound tab shows your audio device and drivers.

Input: This tab shows the information about your computer input devices like keyboard, mouse.

If you want, you can click Save All Information button to export all information in DirectX Diagnostic Tool to a .txt file for later sharing.

DirectX Diagnostic Tool

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How to Download and Update Dxdiag.exe Driver

You can do this through Windows Update.

Go to Settings on your Windows 10 or 11 computer. For Windows 10, continue to click Update & Security -> Windows Update -> Check for updates. For Windows 11, click Windows Update -> Check for updates.

This will update DirectX on Windows 10/11 and update its driver.

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