Windows 8.1 and multiple graphics adapters

I just upgraded from 7 to 8.1, and I am having a rather serious issue. I have two graphics adapters, an nvidio 8600 gs and the onboard intel hd4000.

Now, in 7, I could use both at the same time to power four monitors. In 8.1 however, when I attempt to plug in a monitor on the onboard video the entire windows 8.1 GUI crashes and goes black - and then continues to reset indefinitely. The mouse shows up, then resets back to the center of the main screen. I can move the mouse to the monitors on the onboard graphics and the add-on graphics card. Windows won't reload the GUi. If i unplug it, it goes back to normal but my user is no longer logged in and my session is lost. I don't really even know how to research a solution, my google fu is weak on this issue.

I am using 8.1 enterprise if that makes a difference. Maybe enterprise doesnt support it? Don't see why not though.
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ntobinAsked:
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McottuliCommented:
Because there is no full release yet, I'm assuming that you are using a developers preview? If that's the case you can't expect full functionality as of yet. Drivers may differ in 8.1.
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ntobinAuthor Commented:
I am using 8.1 enterprise with volume license from MSDN (I am not a pirate!)
edit: it is the full edition of Windows 8.1, not the preview.

I skipped 8 because i needed to reformat and knew I'd want 8.1 anyway, so I just did it now. I understand there are differences to be expected, but I find it hard to believe that it is so far off from Windows 8 that this is so broken. I never got to try it in 8 though.
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McottuliCommented:
I did no mean to insinuate that you were a pirate. I'm saying that Windows 8.1 is not released until October 17th, therefor a safe assumption would be that you don't currently have a final release. If you have never tried 8.0 then I assume that you were using windows 7 drivers previously. What type of GPU are you using?
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McKnifeCommented:
Hi.

Maybe broken drivers. Try to get the newest for both cards.
Of course enterprise would support it. If the newest drivers don't help, you're out of luck and you would need to contact NVidia or Intel.
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Seth SimmonsSr. Systems AdministratorCommented:
install the nvidia drivers for windows 8.1

http://www.geforce.com/drivers/results/66701

try this for the intel drivers; shows windows 8 but might work for 8.1 also

https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=23106&ProdId=3712&lang=eng
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ntobinAuthor Commented:
Unfortunately, the nVidia installer won't run on 8.1 - says the configuration is not supported.

Same for most of the intel chipset/hardware drivers, including the intel hd4k graphics

I suppose that would have been helpful to mention in the first post.

I manually extracted them and attempted to run in 8 compatibility mode, to no avail. I would try to manually install drivers but I am not certain the best way to do that for such a large  and complicated driver as graphics
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dtadminCommented:
Can you set the compatibility mode on the driver install to Windows 7 or 8?

Also, if you use a utility like 7zip you can extract the archive and install the driver manually.
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McKnifeCommented:
The NVidia driver is for 8.1 - weird, that it does not run, something funny going on. Try to install manually, or you'll never know.
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ntobinAuthor Commented:
never did get it to work. went and found an old 4-port graphics card.
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ntobinAuthor Commented:
not a real solution
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