If you have the legitimate file, here is how to configure it safely.
[HKEY_CURRENT_USER\Software\Microsoft\DirectX\Dxcpl] "FeatureLevelLimit"=dword:00000037 Dxcpl Windows 7 64 Bit 37
, is a legacy utility developed by Microsoft to manage advanced DirectX settings and troubleshoot graphics-related issues. While it was originally part of the DirectX SDK If you have the legitimate file, here is
Here is the relevant content based on your query: If you have the legitimate file
: Developers use it to enable or disable debug layers to troubleshoot graphics-related crashes. Using DXCPL on Windows 7 64-Bit