How to Fix xinput9_1_0.dll Missing Error (Solved)

What is xinput9_1_0.dll?

xinput9_1_0.dll is a Dynamic Link Library (DLL) file that plays an essential role in managing input devices such as game controllers, keyboards, and mice on Windows operating systems. This particular DLL file belongs to the DirectX SDK (Software Development Kit), which provides tools for developers to create video games and other multimedia applications.

Why is xinput9_1_0.dll missing?

There are several reasons why the xinput9_1_0.dll file might be missing on your system, such as:

• Malware infection: Malicious software may delete or corrupt essential files like xinput9_1_0.dll to disrupt normal functioning.
• Accidental deletion: Users sometimes mistakenly remove DLL files during the cleaning process or while uninstalling related applications.

Step-by-Step Fixes

Method 1: Reinstall Visual C++ Redistributable

The xinput9_1_0.dll file is related to Microsoft Visual C++ Redistributable, so reinstalling this package may resolve the issue. Here’s how:

1. Visit the official Microsoft Download Center at this link.
2. Download the appropriate Visual C++ Redistributable package for your system architecture (x64 or x86).
3. Install the downloaded package by following the on-screen instructions.

Method 2: Run SFC /scannow command

Running System File Checker (SFC) can help you repair missing or corrupted system files, including xinput9_1_0.dll. Here’s how:

1. Press Windows key + X and select “Command Prompt (Admin)” or “PowerShell (Admin)” from the menu.
2. In the command prompt, type `sfc /scannow` and press Enter.
3. Wait for the scan to complete. Restart your computer if prompted to do so.

Method 3: Update System Drivers

Outdated drivers can sometimes cause compatibility issues with DLL files like xinput9_1_0.dll. Here’s how to update your system drivers:

1. Press Windows key + X and select “Device Manager” from the menu.
2. Find and expand the category containing the problematic device (e.g., Mice and other pointing devices).
3. Right-click on the device, then choose “Update driver.”
4. Select “Search automatically for drivers” and follow the instructions to install any available updates.

Conclusion

By following the methods outlined above, you should be able to resolve the xinput9_1_0.dll missing error on your Windows system. If none of these solutions work, it’s possible that your issue may be caused by more complex factors, such as a deeper system corruption or hardware problems. In such cases, consider seeking professional assistance or consulting online resources for further guidance.