How to Fix d3d12.dll Missing Error (Solved)

What is d3d12.dll?

d3d12.dll, short for Direct3D 12 Runtime Library, is a Dynamic Link Library file that plays a crucial role in managing the graphics rendering process of Windows applications. It enables efficient and flexible use of hardware resources to provide high-quality visuals.

Why is d3d12.dll missing?

There are several common reasons why the d3d12.dll file might be missing or become corrupted. Some of these include malware infections, accidental deletion during system cleaning, and outdated or incompatible system drivers.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The d3d12.dll file is part of the Microsoft Visual C++ Redistributable package. To resolve the missing error, reinstalling this package may help:

• Visit the official Microsoft Download Center: Go to this page.
• Download and Install the correct Visual C++ Redistributable version: Select your appropriate OS architecture (x86 or x64) and click on “Download.” Follow the installation instructions to complete the process.

Method 2: Run SFC /scannow command

System File Checker is a built-in Windows utility that scans for system files’ integrity and repairs any corruptions:

1. Open Command Prompt as an administrator: Press “Windows + X” keys, then choose “Command Prompt (Admin)” or “Windows PowerShell (Admin).”
2. Run the SFC command: In the command prompt, type `sfc /scannow` and press Enter.
3. Wait for the scan to finish: The process may take a while. Once completed, restart your computer for changes to take effect.

Method 3: Update System Drivers

Outdated or incompatible system drivers can cause various issues, including the d3d12.dll error. To ensure your drivers are up-to-date:

4. Press Windows + X keys and choose “Device Manager” from the menu.
5. Expand the relevant device category: For example, if you’re experiencing issues with a specific graphics card, expand the “Display adapters” section.
6. Right-click on the device and choose “Update driver”
1. Select “Search automatically for updated driver software”
2. Follow the on-screen instructions to complete the update process

Conclusion

By following the steps outlined in this guide, you should be able to resolve the d3d12.dll missing error and get your Windows applications back up and running smoothly.