D3d11.dll Missing Error: Causes, Solutions & Free Download

DLL Files Solved issue

Question asked by:

Xerxes M.

Issue:

How do I fix missing or not found d3d11 dll?

Hi there,

How do I fix a missing or not found d3d11.dll file?
Some of my programs fail to start because of it...

Thank you!
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The d3d11.dll file is a crucial component of the Windows operating system, particularly for applications that require DirectX1, like video games and graphic design software. When this file is missing or corrupted, it can lead to the ‘d3d11.dll missing error’, which can be frustrating for users trying to run graphics-intensive applications. 

In this guide, we will explore the causes of this error, and its symptoms, and provide a step-by-step guide to resolving it.

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Common Causes of the d3d11.dll Missing Error

  • System Updates or Upgrades: Sometimes, Windows updates or upgrades may inadvertently delete or corrupt this DLL file, leading to errors. These updates are crucial but can occasionally disrupt existing system files.
  • Software Installation/Uninstallation: Installing or uninstalling programs can accidentally remove shared DLL files like d3d11.dll. Some programs might overwrite the existing file with an incompatible version, causing errors.
  • Virus or Malware Infections: Malicious software can often target DLL files, corrupting or deleting them. This not only affects the system’s stability but also poses a security risk.

How To Know You’re Encountering the d3d11.dll Error

Error Messages: The most obvious sign is an error message stating that d3d11.dll is missing or not found. These messages usually appear when launching a game or graphic-intensive program.
These are the supposed messages you could receive:

  • “The program can’t start because d3d11.dll is missing from your computer. Try reinstalling the program to fix this problem.”
  • “There was a problem starting d3d11.dll. The specified module could not be found.”
  • “The code execution cannot proceed because d3d11.dll was not found. Reinstalling the program may fix this problem.”
  • “d3d11.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.”

Application Malfunction: Programs that rely on DirectX may fail to start or crash unexpectedly. In severe cases, this can lead to system instability or frequent crashes.
In addition to that, you might experience a similar error related to d3dx9_39.dll file.

Troubleshooting Steps to Fix All D3D11.dll Errors

BONUS: D3D11.dll Free Download & Manual Placement

If you’re just encountering a missing DLL issue, simply downloading the DLL file and placing it into an appropriate folder would most likely fix the issue.
Here’s where you can download it:

For 64-bit systems, the DLL files most often need to be placed in C:\WINDOWS\SYSWOW64.
For 32-bit systems, the DLL files most often need to be placed in C:\WINDOWS\SYSTEM32.
Sometimes DLL files need to be placed directly into your game/application folder that’s causing the issue.

1. Repair the DLL File with a Dedicated Tool

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The missing or not found error of the D3d11.dll, a crucial Windows DLL file, can significantly impact system functionality. This file is essential for various applications, and its inaccessibility can lead to errors, crashes, bugs, and lag. Using a dedicated DLL repair tool is recommended, especially if you are not familiar with technical troubleshooting.

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2. Re-register the DLL Files

  1. Open the Start menu, type cmd, and select ‘Run as administrator’.
  2. Enter the command: for %d in (*.dll) do regsvr32 -s %d and press Enter.
  3. Wait until the process finishes before closing the Command Prompt.

3. Run SFC & DISM Scans

  1. Press the Windows key, type cmd, and choose ‘Run as Administrator’.
  2. Type sfc /scannow and press Enter.
  3. After completion, input DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
  4. Await the completion of the process before closing the Command Prompt.

4. Download and Install the Latest Windows Update

  1. Ensure your system is up-to-date by going to Settings > Update & Security > Windows Update.
  2. Click on ‘Check for updates’ and install any available updates.
  3. Restart your computer after the update process completes.

5. Reinstall the Affected Application

  1. Uninstall the application that is experiencing the D3d11.dll error.
  2. Reboot your system.
  3. Reinstall the application from a legitimate source, ensuring you have the latest version.

How To Prevent the D3d11.dll and Other DLL Errors in The Future

  • Regular System and Driver Updates: Keep your operating system and drivers up-to-date to prevent compatibility issues.
  • Antivirus and Anti-malware Software: Use reliable security software to protect your system from malware that could corrupt DLL files.
  • System Integrity and Backups: Regularly back up your system and important files to recover quickly in case of system failure.

Your Errors Should be Fixed Now!

The d3d11.dll missing error can be a hurdle, especially for users who rely on their PCs for gaming or graphic-intensive tasks. We hope that by following the troubleshooting steps outlined in this guide, most of you were able to resolve the issue.

We also suggest considering the use of specialized software listed below, which is designed to automatically resolve issues related to missing or corrupted DLL files, such as the d3d11.dll error.

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  1. What is DirectX? – via Wikipedia []
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About the author
Jack Palentino - Expert Author, QA

Jack works at WindowsGuided.com from the beginning. He’s been a colleague with the owner Iggy & who consulted people with their PC issues for years.

He fixed and custom-developed various Windows apps. And now Jack is overlooking the QA processes on WindowsGuided and writes expert guides on various PC error fixes.