d3d12.dll - Comment analyser et corriger les erreurs

★★★★☆ Fichier vérifié (27.08.2026)

️ Important Notice: Optimisez les performances de vos applications DirectX 12 avec d3d12.dll. Essential for developers targeting Windows systems. Le remplacement manuel des bibliothèques système peut entraver les futures mises à jour de Windows ou provoquer des pannes critiques du système.

L'architecture:	autres	️ Non détecté
Antivirus numérisé	✅ Propre	Aucun virus détecté.
Signature numérique	Non signé	La signature manque, le fichier a peut-être été modifié.
Intégrité du hachage	i️ Non vérifié	La protection du fichier Hash est manquante.
Taille du fichier	28,1 kb.	28752 bytes.

Les hachages:

MD5: 9b82acedef33c03d44ecde15176f205c
SHA-1: 679c576c194fe95aab385f20118b84274e4ba329
SHA-256: 679b20619758ba1d3fd943700a4bb433761fd0695fbf5aa2e7dd119d1737f423
SHA-512: 70fbb8b2d6b742c9ef1d95aa78e95ec9290ae95e68c4ba176b72e7a9570efddd227859a07d27fb0ad0adb06dc22efe62bd85c942e0ae2e21e971417ab2dce69f

File Information and Error Fixes for d3d12.dll

Description du fichier

le d3d12.dll file is a critical Windows system component known as the Direct3D 12 Runtime. Developed by Microsoft Corporation, it is an essential part of the DirectX 12 API collection. This file allows modern multimedia applications, high-end video games, and graphics-intensive software to communicate directly with your computer's graphics hardware (GPU) to deliver advanced 3D visual rendering, high frame rates, and enhanced performance.

Emplacement standard du fichier

The authentic d3d12.dll file resides inside the core Windows system directories. Its exact location depends on your operating system architecture:

For 64-bit systems (64-bit file):
C:\Windows\System32\
For 64-bit systems running 32-bit applications (32-bit compatibility file):
C:\Windows\SysWOW64\

Note: If you find this file located anywhere else (such as temporary folders or user directories), it could be disguised malware or a rogue file.

How to Fix d3d12.dll Errors Without Downloading the File

Downloading standalone .dll files from untrusted third-party websites can introduce malware or cause system instability. You can repair d3d12.dll safely using built-in Windows utilities and system tools:

1. Run the System File Checker (SFC) Scan

Windows features an integrated tool that automatically scans, detects, and replaces missing or corrupted system files like d3d12.dll using cached copies from the operating system.

Appuie sur le... Windows Key, type cmd dans la zone de recherche.
Cliquez avec le bouton droit. Command Prompt et choisissez. Run as administrator.
Tapez la commande suivante et appuyez Enter:
```
sfc /scannow
```
Wait for the verification to reach 100%. If repairs are made, restart your computer.

2. Run the Deployment Image Servicing and Management (DISM) Tool

If the SFC scan fails to repair the file because the local source image is also corrupted, use DISM to download clean system files directly from official Microsoft update servers.

Ouvrez. Command Prompt as an administrator.

Execute this command:

DISM /Online /Cleanup-Image /RestoreHealth

After the process finishes successfully, run the sfc /scannow command one more time to complete the restoration.

3. Check for and Install Windows Updates

Since DirectX 12 is natively integrated into Windows 10 and Windows 11, its core components cannot be manually reinstalled as standalone packages. Updating your operating system will force Windows to deploy the latest, functioning versions of the DirectX runtime libraries.

Open your system Settings Je vous en prie. Win + I ) et de l'Union européenne.
Allez voir. Update & Security (ou Windows Update sur Windows 11).
Cliquez. Check for updates.
Install all pending updates and reboot your system.

4. Reinstall the Glitching Game or Application

If the error only pops up when launching a specific program, the application's local configuration files might be broken.

Ouvrez la porte. Control Panel or Windows Apps menu and Uninstall the problematic application.
Redémarrez votre ordinateur.
Install the application again using the original distribution files or launcher (e.g., Steam, Epic Games, Ubisoft Connect). This process forces the software installer to re-register required visual components.

5. Check Operating System Compatibility

DirectX 12 requires modern system frameworks. If you are attempting to run a modern game or app on Windows 7, 8, or 8.1, it will frequently throw a d3d12.dll is missing error because those older operating systems do not natively support full Direct3D 12 runtimes. Upgrading your PC to Windows 10 or Windows 11 is required to native-launch these applications.

Outil de diagnostic: vérifiez votre `d3d12.dll` Fichier

Vous craignez que le fichier sur votre PC ait été modifié par un logiciel malveillant? Faites-le entrer dans le formulaire ci-dessous. Notre script vérifiera sa taille de fichier, son hachage cryptographique (MD5/SHA-1) et une signature numérique Microsoft valide.