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Questions tagged [directx-9]

DirectX 9 is a collection of APIs for Microsoft Windows that facilitate access to system hardware to facilitate multimedia tasks, including video game programming, released for Windows XP, Vista, and 7.

DirectX is a collection of APIs for Microsoft Windows that facilitate access to system hardware such as the video card, sound card, and peripherals to facilitate multimedia tasks, including video game programming. Version 9 of DirectX was released on December 19, 2002 for Windows XP, Vista, and 7.

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What's the difference between DirectX 10 and DirectX 9?

In Civilization V, when starting the game, it offers me the option of using DirectX 10 or DirectX 9. Are there any graphics quality or performance gains present when using the DirectX 10 version? I know that it would let me turn up the settings…
RCIX
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Steam - The Latest version of Microsoft DirectX(r) is required to play [game here]

If I try to launch any game from steam, it gives this error: Steam - latest DirectX required The latest version of MicrosoftX(r) is required to play [game] Microsoft DirectX(r) download site However, I can still launch games outside of steam…
microsoft-victim
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How can I fix old games being run in portrait mode on my Windows tablet?

I have a tablet with Windows 10 on it. It has an Intel Cherry Trail processor with integrated graphic card. I installed several games on it (Warcraft 3, C&C: Generals, NFS: Most Wanted, UT2004, DOOM 3, Flat Out 2, Counter Strike 1.6). While some of…
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Why would I want to use a particular version of DirectX? How should I choose?

I've noticed a number of games lately that give me a choice of what version of DirectX to run the game with, usually 9, 10, or 11 (or some subset thereof). I have a graphics card that supports DirectX 11 (AMD 6750M, but it shouldn't really matter…
LessPop_MoreFizz
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NFS: Most Wanted complains that D3DX9_26.DLL is missing

I am struggling to play NFS: Most Wanted on my laptop. It has windows 7 and DirectX 11. But when I start NFS it says that D3DX9_26.DLL is missing. I used to play this game on my PC which had Windows XP. I just copied the NFS game from there. One…
Rakesh Juyal
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Can I install DirectX 9 without it affecting the latest version?

I'm attempting to run RetroArch for an old game, but it requires DirectX 9.0c. Will installing DirectX 9.0c overwrite or delete the current version I have installed (v12)? If so, can I subsequently remove DirectX 9.0c if I have to run newer games?
Dennis
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Cannot Launch League of Legends Game with Unknown DirectX Error

When I try to start the game, it shows me the following error. what can I do?
Casper LI
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How do I troubleshoot the 'd3dx9_35.dll is missing' error?

I just downloaded and installed The Witcher from GOG.com. However, when attempting to launch the game (the game itself, after the launcher) I get the following error: The program can't start because d3dx9_35.dll is missing from your…
Iszi
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Does Starcraft 2 have better graphics with DirectX 10 than DirectX 9?

I seem to recall rumors that Starcraft 2 looked better when using DirectX 10 over DirectX 9. Is this true, and if so, can you give examples (preferably in screenshot form)?
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How to turn on Direct3D acceleration

Hi I was trying to play the settlers 6 which as I know uses DirectX 9. During startup it said Graphics Engine could not be initialized so I started dxdiag where one point was deactivated: Direct3D acceleration. One could argue that my graphics card…
henje
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Gigabyte Gpu GTX 960 suddenly too slow for dx9 games

All of a sudden, games using direct X 9 are too slow and stutters with around 10-20 fps, while the gpu is working at 99%. The exact games used to function a week ago reaching 100+fps and without that stress on the GPU. The Nvidia experience says…
Mena
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"Unable to initialize DirectX 9 device" when attempting to launch GTA V?

I have GTA V on Steam and when I go to launch it after downloading, the loading screen comes up and and then goes to a message: Unable to initialize DirectX 9 device I've tried asking R* for help but they don't care. My Specs are: CPU: AMD…
George Atkinson
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Failed to create D3D9 Device!

I was playing A Hat in Time, and suddenly the game crashed. When trying to load the game up again I get the following message: Failed to create the D3D9 Device! This can happen if the desktop is locked. Exiting... I have ran dxdiag which says…
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Halo 2 PC no longer running because of d3dx9_31.dll

I have had Halo 2 installed on my PC for some time now and have never had any issues. Last night, my PC (running Windows 10) updated. After the update, I can no longer run Halo 2. Upon launch, I receive the following error dialog: I first…
Mr. Mendelli
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How can I run old games on Windows 7 with a DirectX 9 error?

I have installed Command & Conquer Tiberium Wars on my Windows 7 laptop and updates. However, when I try to run it I see this error1: To answer the points in the dialog: I have DirectX 11 installed The video card (and laptop) are pretty new I…
Reinstate Monica - Goodbye SE
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