LoL d3dx9_39.dll Error: How to Fix It

League of Legends players run into the d3dx9_39.dll error in the game. Here we explain the cause of this error and how it can be fixed.

What Is the LoL d3dx9_39.dll Error?

The D3dx9_39.dll error is usually caused by some files being missing when a game-related program is downloaded. If your files are missing, you will run into this error. However, the fix is quite simple. You can follow the steps below to fix this problem:

How Do You Fix the LoL d3dx9_39.dll Problem?

We will offer 4 ways to fix the LoL d3dx9_39.dll error. They are:

• Pasting the d3dx9_39.dll file into the game's installation folder
• Downloading DirectX to your computer
• Deleting the Graphics_options.ini file from the game folder
• Reinstalling the game

Paste the d3dx9_39.dll File Into the Installation Folder

• First, you should visit dll-files.com and type d3dx9_39.dll in the search bar.
• You should download the file and paste it into the System32 folder.

Download DirectX to Your Computer

If your computer has an outdated operating system and is struggling, it helps to download DirectX and similar programs. That way you can run the game properly.

Delete the Graphics_options.ini File From the Game Folder

First, you should know that this fix will work if you have made a change to the game's graphics settings. To do this:

• You should go to the game folder and look for the Graphics_options.ini file.
• You should delete the file you find.
• You can now restart your computer and play the game.

Reinstall the Game

If none of these fixes worked, you can try deleting and reinstalling the game. However, when doing this, you should make sure you delete all the previous files from your computer.