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Windows 7: DirectX Problem

22 Aug 2011   #1

Windows 7 64bit
 
 
DirectX Problem

Hello,

I am in need of some guidance with getting DirectX to function properly on a Windows 7 64bit OS. I have developed a piece of software that utilizes Direct3D. I have tested my program on my computer as well as another Windows 7 64bit machine, and I can see my 3D graphics just fine. However, I tried my program out on a third Windows 7 64bit machine, and my graphics don't display. No errors or exceptions are thrown, but no graphics are displayed. In addition, I've run through dxdiag on the target computer and everything appears to be functioning and enabled. I ran a diagnostic on the graphics card, and everything appears to be working fine there too. Any suggestions as to why viewing my graphics appears to be a computer-specific problem?

Thanks!

My System SpecsSystem Spec
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22 Aug 2011   #2

Windows 8.1 Pro
 
 

Hi Bevo 3 welcome to sevenforums

I'm not sure what to say about your current problem seeing that you're developing software to utilize D3D. Anyway to state the obvious make sure the problem PC has the latest DirectX files. You might also check that your video card's drivers are up to date.

Also, if you're using the developer kit and the problem system doesn't have it installed that might be saying something about compatibility? Just a guess as I'm no developer, nor an expert on Direct X

By the way have you looked here DirectX Developer Center
My System SpecsSystem Spec
22 Aug 2011   #3

Windows 7 64bit
 
 

Hello,

Thank you for the reply! First off, I am definitely not a DirectX expert. I am a structural engineer and am good at developing software programs that crunch numbers, but this DirectX business is a back-end post-processing tool for a this particular program. The client wanted to be able to visualize the results. Anyway, I think I've made some progress since I posted this thread. The target computer has an ATI Mobility Radeon HD 4570 graphics card. I've been reading online that this graphics card is not fully compatible with DirectX 11, that which is pre-packaged with Windows 7. This may be the problem, right?
My System SpecsSystem Spec
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22 Aug 2011   #4

Windows 8.1 Pro
 
 

Yeah that's true, only the 5 & 6 (thousand) series ATI cards are Direct X11 capable.

Quote:
3- The video card must support the Mode(s) ATI 5000 series cards, Nvidia GTX 470, 480 (more?) See Windows 7 Compatibility Center for compatible cards.
Tips on Troubleshooting Game Issues
My System SpecsSystem Spec
22 Aug 2011   #5

Windows 7 64bit
 
 

Wow, so now I am at a loss for why the computer manufacturer would package a graphics card with the computer that is not compatible with the version of DirectX that comes with the packaged OS....that just seems stupid. Do you know if there's a patch or update that can be installed on the machine to fix this compatability issue? We've tried doing the web-based DirectX runtime library update, but the installer keeps saying that no updates are necessary because there is already a newer version installed on the computer...meaning the installer is finding DirectX 11 so it won't drop any of the earlier DirectX runtime libraries on the target computer.
My System SpecsSystem Spec
22 Aug 2011   #6

Windows 8.1 Pro
 
 

The DirectX11 portion (DX10 also) of the video card is hardware based. That is it's built into the hardware of the card by the manufacture.

The only way play/use Direct X11 (or 10) on a video card is to purchase a compatible DX11 card (DX11 is backwards compatible so a DX11 card will play DX9 & 10 games. Anyway there is no driver or patch for this.

In short you can't turn (patch) a DX9 or 10 video card into a DX11 card
My System SpecsSystem Spec
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