How to Run DXDiag on Windows 10

On Windows 10, press Windows + R, type dxdiag, and press Enter. The DirectX Diagnostic Tool opens in 1 to 3 seconds. If a permission prompt appears, click Yes. DXDiag is built into Windows 10 — no download is required.

Step-by-Step Instructions for Windows 10

DXDiag on Windows 10 works exactly as it does on all other versions of Windows. Follow these steps to open it:

1
Press Windows + RHold the Windows key and press R simultaneously. The Run dialog box appears in the bottom-left area of your screen.
2
Type dxdiagType dxdiag in the Open field. Use all lowercase letters. Do not type any spaces before or after.
3
Click OK or press EnterClick the OK button or press Enter. Windows 10 may show a User Account Control prompt asking to confirm. Click Yes to proceed.
4
Wait for DXDiag to loadThe DirectX Diagnostic Tool opens. A loading indicator appears at the bottom while it scans your hardware. Wait for it to finish before reading the results.

Type this in the Run dialog (Windows + R):

dxdiag

Alternative Methods on Windows 10

Using Windows 10 Search Bar

Click the search bar next to the Windows 10 Start button (or press Windows + S). Type dxdiag. The result labeled dxdiag — Run command appears at the top. Click it and DXDiag opens.

Using Command Prompt on Windows 10

Press Windows + X and select Command Prompt or Windows PowerShell. Type:

dxdiag

Press Enter. DXDiag opens in a new window. This method is useful when other methods do not work.

What DXDiag Shows on Windows 10

When DXDiag opens on Windows 10, you will see four main tabs:

  • System: Shows your OS as Windows 10 with the build number, your processor, total RAM, and the DirectX version (should be DirectX 12 on updated Windows 10 installations).
  • Display: Shows your GPU details including the driver version and date. If you have both integrated and dedicated graphics, you will see two Display tabs.
  • Sound: Shows your audio device name and driver information.
  • Input: Lists game controllers and other input devices connected to your PC.

How to Check DirectX Version on Windows 10

After opening DXDiag on Windows 10, the System tab loads by default. Scroll down to find the DirectX Version field. On an updated Windows 10 PC, this will show DirectX 12. If it shows DirectX 11 or earlier, run Windows Update to get the latest version.

How to Save DXDiag Report on Windows 10

Once DXDiag finishes loading (wait for the progress bar to disappear), click the Save All Information button at the bottom of the window. Save the file as DxDiag.txt to your Desktop or Documents folder. You can then email this file to technical support or attach it to a support ticket.

Frequently Asked Questions

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