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Windows 7: dual monitors not working

27 Nov 2009   #1

Windows 7
 
 
dual monitors not working

I have two graphic cards and Win 7 will only let one work at a time. I have updated the drivers both to windows 7. This is driving my crazy.

Thanks for any help.

My System SpecsSystem Spec
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27 Nov 2009   #2

Windows 7 ultimate 64 bit / XP Home sp3
 
 

More information is going to be needed. Please fill in your systen specs. Thanks Fabe Name:  usercp 1.png
Views: 15
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My System SpecsSystem Spec
27 Nov 2009   #3

7600.20510 x86
 
 

Hi. Which cards?

If one uses a WDDM 1.1 driver and the other a WDDM 1.0, it's no go can't be done type of stuff.

Plug both monitors into the better graphics card and problem solved.
My System SpecsSystem Spec
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28 Nov 2009   #4

Windows 7
 
 

Dell Dimension E520
Windows 7
Intel Pentium D CPU 3.00GHz 2.99 GHz
Ram -4.00 GB(2.99 GB Usable)
Intel(R) g965 Express Chipset
2-matrox Millennium g450 dual head DVI PCI
My System SpecsSystem Spec
28 Nov 2009   #5

7600.20510 x86
 
 

Oh yeah. I know about those cards a little. Get the latest driver from their site for you card. Get 7 driver and if not then Vista.

Install using the device manager for each card the same way:

Update driver software. Browse my computer. Let me pick. Have disk. Browse. Navigate to and double click on the .inf. Hit ok. Hit next and let it install.

After doing for both cards, reboot and then choose an Aero theme.

The card s kind of on the rare side. If you need more help, search my screen name on here and Matrox. You'll find previously successful examples. Or let us know here too. Good luck.

If you have any exclamation points in the device manager, let me know.
My System SpecsSystem Spec
29 Nov 2009   #6

Windows 7
 
 

I think I have found the reason I cant get dual monitors to work. I have two different graphic cards.
Event ID 4103 ? Multiple Display Adapter Installation

My System SpecsSystem Spec
29 Nov 2009   #7

7600.20510 x86
 
 

How could you have 2 different cards? Your post above says, "2-matrox Millennium g450 dual head DVI PCI"

???
My System SpecsSystem Spec
29 Nov 2009   #8

Windows 7
 
 

Im sorry. I meant that it was the 2nd card.
My System SpecsSystem Spec
29 Nov 2009   #9

Windows 7
 
 

1- Intel(R) g965 Express Chipset is on the motherboard
1-matrox Millennium g450 dual head DVI PCI
My System SpecsSystem Spec
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 dual monitors not working





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