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installation problem

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i don't know if this is the right place but i will try anyway.


i have the installation file of autocad 2009 on my hard drive and when i begin to install, afteer the serial stage and config, i get an error box which stops the installation!


the error sais:


"please install direct 3D before installing autocad 2009"


i'm working with core 2 duo 3.0ghz

vista 64bit, 8 gigs of corsair ram,

nvidia 8800GTX with the latest driver that i downloaded yesterday!

according to the driver the 3D capabilities are on!


i really need this operational and i couldn't find anything on the web!


please help or refer me to the right place.


thank you,



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That's strange, because Direct3D is one of those embedded Windows things.

One question:

Are you trying to install the 32 bit version? I see you're running the 64 bit version of Vista. They're not compatible.


3D requirements per Autodesk. Hit the System Requirements tab.


1280 x 1024 32-bit color video display adapter (True Color) 128 MB or greater, OpenGL®, or Direct3D® capable workstation class graphics card. For Windows Vista, a Direct3D capable workstation class graphics card with 128 MB or greater is required.

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well first i am trying to istall a 64 bit ver of 2009, so that couldn't be the prob.


secondly, i have working open gl with photoshop CS4, and everything is working with 3d.


i didn't try to install the direct 3d from microsoft, but i don't understand if the direct 3d is a microsoft software or from the graphics card driver?!



hey again,


i have just verified my sys situation and i have direct x10 installed and working!


3d acceleration is running, open gl is running and everything seems to be in order.


the direct x ver. is not the problem.


anyone have sugestions??

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