DirectX 10 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 Vista and 7.

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What is Direct X, and why do games keep on requesting different versions?

I am not very experienced with computers, and was wondering what Direct X actually does, on my PC. Why do various games request different versions? Should the latest version cover all of them, or do ...
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0answers
156 views

Second Monitor Lag

I am having an issue with intermittent lag on my second monitor since I upgraded to Windows 10. I only notice it when I've launched a game though and it's not every time. I have all my windows updates,...
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0answers
377 views

DirectX 10/11 games crash in fullscreen mode

Recently (something like 1 month ago), all my DirectX 10/11 games started crashing whenever set to launch in fullscreen mode. My system specs: OS: Windows 8.1 x64 CPU: Intel Core i5-3230M @ 2.66 ...
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3answers
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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 ...
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1answer
318 views

Varying framerates in WoW?

I think WoW may only be utilizing my SLI some of the time, or else Windows is not allocating it priority. I have two GeForce GTS 250's in SLI. Some of the time, WoW runs at 60 FPS when no characters ...
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2answers
2k views

Starcraft 2 — DirectX 10 effects?

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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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 ...