Finally, time for relaxing. You want to play games & try to open your games as usual. Oops…it’s not successful as before. Instead your receive sầu a System Error, it’s saying:

The program can’t start because d3dx9_43.dll is missing from your computer. Try reinstalling the program to lớn fix this problem.

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You must be very frustrated. Don’t worry. You can fix it by yourself! Here in this post, we’re going to lớn show you how to lớn fix d3dx9_43.dll missing with the tried-and-true solutions. 

How vày I fix the d3dx9_43.dll missing error?

Here are 4 top solutions you can try to fix the problem. You may not have to try them all; just work your way down the list until you solve your problem.

Pro tip: Update your Clip card driver to lớn improve sầu your gaming experience

What is the d3dx9_43.dll file?

d3dx9_43.dll file is one of the many files contained in Microsoft DirectX. It’s widely used in Windows based games & advanced graphics programs. And the d3dx9_43.dll missing error often occurs when you launch those programs especially đoạn phim games. Follow the easy steps with pictures below to try lớn fix it.

NOTICE: Do not download dll tệp tin from any dll download website! Not only the dll files on them are not up-to-date, but also the source isn’t approved. And there are other reasons your should not vì chưng that. But if you have sầu already downloaded one, please remove it completely. 

Solution 1: Download & run the DirectX End-User Runtime Web Installer

Sometimes the error occurs due to the not compatible DirectX version. Good news is that Microsoft provides DirectX End-User Runtime Web Installer for users to roll back DirectX lớn 9.0c or previous versions.

Click DirectX End-User Runtime Web Installer. Before downloading, you can change the language from the drop-down menu. Scroll-down to click Download. Follow the on-screen instructions khổng lồ complete installing. Run it when it finish installing. Then try to run your game program now.

Solution 2: Install the lathử nghiệm version of DirectX (Windows 10 & 8)

If solution 1 unluckily bởi not solve sầu your problem, try lớn install the lathử nghiệm version of DirectX. It can replace the missing or not found d3dx9_43.dll tệp tin.

Note: The lakiểm tra version for Windows 7 is DirectX 11.0 & it’s built-in the system with no stand-alone update package for this version. For Windows 8, the latest one is DirectX 11.1 và for Windows 10 is DirectX 12, & these two updates will be available through Windows Update. Thus for Windows 8 & 10 users, you can persize Windows update lớn update your DirectX.

Type Windows Update in the tìm kiếm box from Start thực đơn. Then click Chechồng for updates from the top result.
Click Cheông chồng for updates. Go on to lớn follow the on-screen instructions to complete Windows update.

Solution 3: Copy the d3dx9_43.dll tệp tin from your friends’s PC

If unfortunately, both the previous methods fails to lớn help, you can copy the d3dx9_43.dll tệp tin from a PC that runs the same Windows system as yours.

Part 1: Chechồng your Windows system type và find a computer that runs the same system with yours.

Here’s how you can check Windows type of a computer:

On your keyboard, press the Windows logo key lớn bring up the Search box.Type system information và then select System Information from the result.

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You should then see the system type of the computer.


Part 2: Copy the d3dx9_43.dll tệp tin from the working computer và then paste it to lớn the problem computer.

Here’s how you can find the dll file:

On the keyboard of the working computer, press the Windows logo key & E at the same time khổng lồ bring up the File Explorer. Go to C:WindowsSystem32, then type d3dx9_43.dll and press Enter. If it shows no results, go to C:WindowsSysWOW64 instead & search d3dx9_43.dll again.


Copy the d3dx9_43.dll file and paste it into lớn the same location as where you copy the tệp tin in your problem computer.

Note: Keep in mid that not every computer with the same system type has the dll file you want to restore, so this method is not always successful either.

Solution 4: Reinstall your game or any other program with d3dx9_43.dll missing error

d3dx9_43.dll missing error also could due to some corrupt program files working with it. In such case, you can try to uninstall the program with the problem firstly & then reinstall it. Try lớn run it after reinstalling khổng lồ see if it goes well.

Pro tip

Update your đoạn Clip thẻ driver to lớn improve sầu your gaming experience

An old, corrupted or missing driver would not cause this problem, but it could bring other issues to your game, especially your đoạn phim card driver. So we highly recommend keeping your drivers up-to-date khổng lồ ensure the best gaming experience.

There are two ways you can get the right driver for your video clip card: manually or automatically.

Manual driver update – You can update your Clip card driver manually by going to the manufacturer’s website for your Clip thẻ, và searching for the most recent correct driver. Be sure khổng lồ choose only driver that’s compatible with your variant of Windows system.

Automatic driver update – If you don’t have sầu the time, patience or computer skills to update your Clip driver manually, you can, instead, bởi vì it automatically with Driver Easy. Driver Easy will automatically recognize your system & find the correct drivers for your exact Clip thẻ, và your variant of Windows system, và it will tải về & install them correctly:

1) Download & install Driver Easy.

2) Run Driver Easy & clichồng the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.


3) Click Update All to automatically download & install the correct version of all the drivers that are missing or out of date on your system. (This requires the Pro version which comes with full tư vấn và a 30-day money baông chồng guarantee. You’ll be prompted khổng lồ upgrade when you cliông xã Update All.)