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Setting up Dual output with Nvidia GeForce NX8600GT

Last response: in Graphics & Displays
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March 23, 2013 4:27:22 AM

I am trying to set up a Dual output display from a IBM Thinkcentre 8975-7MG fitted with a NX8600GT GPU card in the PCI-Express slot.
The card has 1 DVI and 1 VGA output, and I have 2 monitors connected using DVI and VGA cables respectively.

I have another identical computer with the same card fitted, and I did get it to dual output there after several attempts but I can't remember the exact steps.

The BIOS is set to use PEG (PCI-Express Graphics) and when I start up the computer I see the BIOS and initial Windows splash screen on the DVI monitor however after that, both monitors go into Sleep mode.

I have tried various combinations, including using auto-detect for BIOS video selection, trying to connect the VGA monitor to the onboard video output, and reinstalling the graphics card drivers, but am at a loss now.

Any ideas how I can get this dual display output working?
March 23, 2013 4:32:02 AM

boot up with only one display attached. once in windows attach the other then go into nvidia control panel and set-up multiple displays...i had the same issue once. hope that helps
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March 23, 2013 9:01:47 AM

Thanks for the suggestion.
I now seem to have a more serious problem where the only way I can get into Windows is by removing the nvidia card. If the card is left in the computer, no monitor will show a display, regardless of which output I connect it to. I have tried changing the video selection from PEG to Auto in the BIOS, but I still get no display after the BIOS and initial Windows splashscreen. How should I proceed now?
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March 23, 2013 9:14:56 AM

how long have you had the vid card?...it may have finally gone to the scrape yard in the sky. if you have another pc around you could try to swap it out to see if it is working properly or if it's something with the PC it's in.
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March 23, 2013 9:46:49 AM

atomicWAR said:
how long have you had the vid card?...it may have finally gone to the scrape yard in the sky. if you have another pc around you could try to swap it out to see if it is working properly or if it's something with the PC it's in.


The vid card has been around a few years. I don't see anything wrong with it though.
If I fit it back in and connect one Monitor to it, and nothing connected to the onboard vid output, I can see the BIOS and Windows splash screen from it but then the display disappears again. I think it's something in Windows itself, tried uninstalling all nvidia drivers but its still doing the same thing once Windows kicks in.
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March 23, 2013 9:50:50 AM

may need to do a reinstall of windows...
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March 24, 2013 6:51:54 AM

That's something I'd like to avoid if possible - any other way to 'reset' the graphics setup within Windows?
The very first time I plugged in this card to this computer, I did get a dual output, but after much messing around trying to change resolutions, screen positions, etc things got messed up.
At the moment it's just running from the onboard vid output - I have removed the graphics card.
Reinserting the graphics card just causes a complete video loss once Windows boots.
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March 24, 2013 6:58:51 AM

have you done a windows restore from a date previous to said fiddling? if so and no go...(don't hate me) but its time to format and start over, least that's what i would do. i know it stinks but in honesty you could be done now had you did this earlier today (hawaii time here so might not be same for you)
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March 24, 2013 7:05:01 AM

Ok, I'll give it a go and hopefully it works!
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!