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Video Card Problems - Windows Vista 64

Forum Graphic & Displays : Graphics Cards - Video Card Problems - Windows Vista 64

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MunirSafadinho   07-29-2009 at 02:48:56 AM

Dear friends, I am having some trouble with a video card and I really hope somebody can give me some "light" on this !!!

I am using Windows Vista 64 with an onboard video connection. Now I just installed a PCI-Express video card (and its drivers) and here is the deal; I can only use one OR the other. If I disconnect the cable from the onboard card, the add-on card works perfectly. If I disconnect the cable from the add-on card the onboard card works perfecly. Now, if I connect both of them together, only the onboard card works; and it doesn't even recognize the other card !!! (PS; I am using VGA on the onboard and DVI on the add-on, if that helps).

How do I get BOTH of them to work together ?

Thanks a lot,

Munir Trad

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evongugg   07-29-2009 at 03:36:58 PM
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They are not supposed to work together.
In the bios you choose one or the other.
If you want dual monitors, use both ports on the video card.


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Scotteq   07-29-2009 at 03:38:10 PM
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It is possible to use multiple cards on a Vista machine, but the cards have to be matched. Yours aren't, so you can't use them both at once. It's one or the other.

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BroHamBone   07-29-2009 at 06:13:29 PM
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With my motherboard i have an onboard as well. But my motherboard is a hybrid.
http://www.newegg.com/Product/Prod [...] 6813131323

When doing research on this thing i found out that i can use the onboard to boost my video cards... i have two evga geforce 8600gts 512mb sli'd... i really dont understand the boost (maybe someone can explain it)... but the onboard is a geforce 8 series... maybe it will only work with single gpu.. Also you can set it to power save settings which turns off your plug in gpu and switches to the onboard gpu to save power. But like scott said, the cards would most likely have to be matched in order to use both. And like evon said, just use the dual ports on the plug in card.... wait.... what kinda gpus anyway?

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