Fix d3dx9_39.dll related errors in Quake II RTX

One of the major frustrations of PC gamers is the infamous "[certain.dll] file is missing" type of errors. Often when install Quake II RTX and try to play it, you will encounter this d3dx9_39.dll file missing error. In this post, we will learn how to diagnose d3dx9_39.dll related error in Quake II RTX. Once we have diagnosed d3dx9_39.dll error in Quake II RTX, we will look at various ways to fix it.

  • Developer: Lightspeed Studios™
  • Publisher: NVIDIA
  • Release Date: June 6, 2019

What You Need to Run Quake II RTX

Minimum Quake II RTX Requirements

  • Operating System: Windows 7 64-bit
  • Processor: Intel i3-3220 or AMD Equivalent
  • RAM/Memory: 8 GB RAM
  • Disk Space: 2 GB available space

How to Fix d3dx9_39.dll is missing error in Quake II RTX

Download & install DirectX

DirectX is a bunch of APIs mixed together that handle multimedia related tasks such as playing high fi video games, video and 3D content. One of the basic steps to fix d3dx9_39.dll is missing error in Quake II RTX is to just download and install the version of DirectX that is required by Quake II RTX.

Typically, DirectX 9 or 11 do just fine for most video games.

Download DirectX9 here.

Often, just downloading and installing DirectX will solve your problem. However, if you are still facing the problem. Let's move on the next step, shall we?

Download & install d3dx9_39.dll

Another way of fixing d3dx9_39.dll is missing error in Quake II RTX is to simply download d3dx9_39.dll file as per your PC configuration and install it in Windows\System32.

To download file from our secure servers, go to the following page: fix d3dx9_39.dll related errors

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