Prepar3d v2.0 requires Directx 9.0c

[jabloomf1230 2,445]

That's why I said that you should ask LM. There statements and instructions have been unclear, except to say:

 

1. P3d2 uses DX11 for rendering.

2. It uses some DX9 libraries for sound and input. For example, the file DINPUT8.DLL is used by Windows for legacy joystick control. Some versions of Windows are missing a few of these files by accident.

3. If you get an error related to DirectX, install DX9c (but of course the P3d2 installer checks for the missing files and installs them, so that makes no sense).

 

There are also statements regarding on board graphics (those built in to the CPU or motherboard) which don't make any sense to me either.

[n4gix 4,947]

Gerry explained it quite clearly several days ago.

 

If the user "installs" using the Prepar3D.msi file, the required DX9c files are NOT installed...

 

If the user "installs" using the Setup.exe (which is the correct method!) then the required DX9c files are installed, if not already present. Check the file size of the Setup.exe file!

 

At 159,592 KB it obviously has a lot to do before it calls for the Prepar3D.msi to be run...

[mgh 89]

Perhaps we can now put this to bed:

 

1 - DirectX 11 isn't backwards compatible with DirectX 9.0c

 

2 - Installing DirectX 11 does not install DirectX 9.0c

[jabloomf1230 2,445]

No, you haven't "put anything to bed". All that's been shown is that is one does follow the installation instructions for P3d2, one can create problems.

[mgh 89]

No, you haven't "put anything to bed". All that's been shown is that is one does follow the installation instructions for P3d2, one can create problems.

Exactly, because Prepar3D installs DirectX 9.0c.

 

Having DirectX 11 installed gives no assurance that DirectX 9.0c is installed.