Again and again, I get the message that the file d3dx9_40.dll is missing on my laptop and I have no way to install it. I tried the Direct X diagnosis and found that I had version 11 and that everything looks like it. As soon as I try to reinstall, I am completely confused with this version.
However, if Windows can not run the appliance, d3dx9_40.dll errors, which may not work, may not be executed. It is also possible that your written documents are imperfect. This error can seriously affect the performance of your PC. Here you can download d3dx9_40.dll, it’s free. The file is a compressed file. You want to decompress a package to use the file. Encourages you to analyze how to extract and install files. Start the download using the following link. D3dx9_40.dll After downloading the d3dx9_40.dll file to the “C: \ WINDOWS \ system32” directory, you are no longer the OS C drive depending on the installation directory of each option.
