Fix: X3daudio1_7.dll ‘Missing or Not Found’

You might see the X3daudio1_7.dll Not Found error when you start a game or some other program on your computer. This error has some variations, some of the most common ones are X3daudio1_7.dll file is missing or X3daudio1_7.dll Not Found. Reinstalling might help fix it. You won’t be able to use the application after this error appears.

The reason behind this error is mentioned on the error messages/dialogues. The X3daudio1_7 dll file is missing. A DLL file is a file that contains some instructions to perform a specific task. So, these dll files are usually called by other programs. The X3daudio1_7.dll is a file related to the DirectX package. So, programs that uses DirectX (games or other 3D applications) will most likely give you this error. Now, why are you seeing this error all of a sudden might be because the file got corrupted or an antivirus application might have accidentally deleted the file. Whatever might be the reason, the problem can easily be solved. Since the file is missing, you can download the file with various different methods.


  • It’s very common to go to websites that offer specific dll files for these kind of situations. A lot of people uses these type of websites to download the dll file and place them at a specific folder. We would advise you not to use these kind of websites. There are other, safer, ways to solve the issue. These websites can contain viruses or malware. The downloaded dlls can compromise the security of your computer as well. So, try not to download the files from these websites.
  • Reboot the computer before performing the steps given in the methods below. Sometimes a simple restart fixes the issue as well.

Method 1: Download Latest Version of DirectX

Since the file that is missing is from the DirectX package, simply downloading and installing the latest version of DirectX will solve the issue. Download the DirectX installer from the Microsoft’s official website to ensure your computer’s safety.

Note: Microsoft releases new versions of DirectX without changing the version numbers. So, if you see that you have the same version as that of the mentioned on Microsoft website, don’t hesitate to download and install the DirectX. Even if it’s the same version, it won’t cause any harm.

Here are the steps for installing the DirectX

  1. Click here and download the DirectX
  2. Once downloaded, run the setup file
  3. Reboot the computer once the DirectX is installed. Reboot even if it doesn’t prompt you to perform a reboot.

Your problem should be solved on the reboot. But, if the problem didn’t resolve or the installer showed a message saying your DirectX is up to date then do the following

  1. Go to desktop (or anywhere else)
  2. Right click on an empty place, select New and select Folder

  1. Name the folder whatever you want
  2. Click and download the full installer package of DirectX
  3. Once downloaded, run the setup file
  4. Click Yes

  1. Click Browse

  1. Select the location where the extracted files will be placed and click Ok. This should be the folder that you created in the first 3 steps

  1. Once done, navigate to the location you selected and open the folder
  2. Locate and double click the file dxsetup.exe
  3. Follow the on-screen instructions
  4. This is a full installer package. This install will replace all your DirectX files.

Once the installation is finished, reboot and check if the problem is resolved or not.

Method 2: Extract the X3daudio1_7.dll

If the first method didn’t work then you also have the option of extracting the specific dll, in this case the X3daudio1_7 file, and place it in the System32 folder. This is a complicated process as compared to the method 1 so we will recommend you to follow the steps in method 1 before this.

Here are the steps for extracting the X3daudio1_7 dll file from the installer

  1. If you performed the steps in method 1 then continue otherwise go to method 1 and perform steps 1-9 given in the second section
  2. You should be in the folder where you extracted the DirectX installer files. If you aren’t, navigate to that folder and open it
  3. Now, you will see a lot of files with the .cab extension. You will need a zip extracting program for this to work. So, if you don’t have WinRAR then kindly Google it, download and install. You can install a trial version of it
  4. Locate a file named Feb2010_X3DAudio_x64 or Feb2010_X3DAudio_x86 depending on whether you have a 64-bit Windows or 32-bit Windows. Feb2010_X3DAudio_x64 file is for 64-bit Windows and Feb2010_X3DAudio_x86 is for 32-bit Windows. If you don’t know which version you have then do the following:
    1. Hold Windows key and press R
    2. Type msinfo32 and press Enter
    3. Look in the System Type. If there is an x64 then you have a 64-bit PC otherwise you have a 32-bit PC

  1. Once you have located the file, double click to open it
  2. You will see the X3DAudio1_7.dll file in this cab file
  3. Select the file (make sure it is the one with the .dll at the end) and click Extract To

  1. Navigate to the location where you want to extract the file and click Ok. You can extract it anywhere you want it doesn’t matter
  2. Once done, navigate to the location where you extracted the dll file
  3. Right click the X3DAudio1_7.dll and select Copy

  1. Hold Windows key and press R
  2. Type C:\Windows\System32 and press Enter

  1. Hold the CTRL key and press V (CTRL + V)
  2. Click yes if the system asks you to replace the existing file

Once done, reboot and check if the problem is resolved

Method 3: DirectX Installer of the Application

Usually, the applications that need the DirectX come with a DirectX installer of their own. This DirectX version have all the files needed to run that specific application. So, if the above 2 methods didn’t work then you can install the DirectX from the application’s DirectX installer.

Simply navigate to the Setup folder of your application/game and look for a DirectX setup file or a DirectX named folder. Double click the DirectX setup file and follow the on-screen instructions. Once done, restart the computer and it should resolve the issue.


Kevin Arrows

Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget.
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Fix: X3daudio1_7.dll ‘Missing or Not Found’

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