However, with new DirectX updates and releases, your PC may become outdated.

With the release of Windows 10, DirectX is now a core Windows component, so you shouldn’t need to install it manually to play your games. If your DirectX files are corrupted (and Windows Update can’t repair the issue), however, you may need to use system repair tools, such as SFC and DISM, to fix the problem. To install legacy DirectX files for older games, you can use the DirectX End-User Runtime Installer to fix any issues. To update DirectX and install the latest version, you’ll need to use Windows Update. It can also occur for older games that require older versions of DirectX (such as Direct X 9, 10, etc), which Windows 10 may no longer support directly. To confirm the installed version, make sure to select the System tab, then read the information listed under the DirectX Version section.įor example, if you have DirectX 11 installed, but your game requires DirectX 12, you may see this error or similar errors, such as a dxgmms2.sys BSOD, appear. In the Run dialog box, type dxdiag before selecting the OK button or Enter on your keyboard.ĭxdiag, or DirectX Diagnostic Tool, allows you to see information about your DirectX installation. You can check the currently installed version of DirectX on your PC by right-clicking the Start menu and selecting Run. For example, DirectX 12 Ultimate was released in November 2020, while Windows 10 PCs prior to that date may use DirectX 11 or 12. However, that doesn’t necessarily mean that the latest version of DirectX is installed. While installing your game directly or by using a game delivery service like Steam should result in any necessary packages being installed, this isn’t the case for DirectX on Windows 10.Įarlier versions of Windows packaged DirectX separately but, with Windows 10, DirectX is a core component. Check Your DirectX Version #Ī “d3dx9_43.dll is missing” error could be a sign that you don’t have the version of DirectX installed on your PC that your game requires to work. Thankfully, there are a few ways you can quickly repair Windows to restore DirectX functionality and fix a “d3dx9_43.dll is missing” error by following the steps below.

Directx version 10