Three displays with GTX 670 -- duplicating desktop problem

Just got a new computer with an Asus GTX 670 card. I am running 3 displays: 1. (Main) Dell U2412M via DVI port, 2. Old Samsung LCD monitor via DVI port with VGA adapter, 3. Samsung 59" plasma TV via HDMI port. I am trying to duplicate the desktop on my TV, but the card will only allow me to extend the desktop to the TV. TV goes blank when I try to duplicate the desktop. I am able to duplicate the desktop on the TV when my third monitor is not connected. My old Samsung monitor displays an extended desktop which is what I want.
If anyone has figured out the workings of this new card, I'd like to know if it is possible to duplicate the desktop on my TV with my setup. Thanks

Yes, as I mentioned in my post, the GTX will extend the desktop to all 3 displays, that is, I can move a window from the main monitor to either of the other two displays. I am trying to duplicate the desktop on my main monitor to the TV so they show exactly the same thing, as one would do in a presentation with a projector. This is possible if I don't use a third monitor.

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Three Display Support, 4k DeckLink, Assigning Desktops

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A tried plugging the displays into different TB busses on the Mac Pro.
To have the Sharp 4k display at 60hz I have to use the Sharp's display port, so coming out of the HDMI port on the MacPro is a not an option.
Further avenues of research.
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Is FCP going to give us an option to assign windows to Third displays someday, not just the second.
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No display on GTX 670 PE

I recently bought a MSI 670 to replace my HD 7850, but after installing the 670 I am getting NO display from my card while in the x16 pcie socket. I works in the x8 socket and also in a x16 on a older AMD computer.
I have tried everything I can think of, including updating to the latest uefi bios, but still no display. The fans boot up on the graphics card and there are no error beeps, but the card does not seem to be recognized and the on-board graphics kick in.
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Quote from: Donavon on 14-August-13, 18:45:36
Okay, thanks. What is a GOP vbios?
It's has UEFI support allow you to enable fast boot and secure mode.
Quote from: Donavon on 14-August-13, 19:35:44
I have ordered a MSI Z77A-G45 motherboard. With my GTX 670 being MSI, then they should work happily together. What do you think?
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Annoying order display on GTX 670 PE/OC

Hi all
few days ago, I flashed my graphic card with a GOP/UEFI that I had here on the forum (thanks again )
everything worked like a charm until the day when i wanted to go to the bios/uefi, so I used like almost the time the FastBoot tool, the PC restarted,
but i had a black screen so i was like I was asking my self what's wrog ? than I had an I idea so I took my TV remote controller,
and yes it was displaying on the TV which is a lot annoying for me, since it is on my right and i can't see it comfortably from my desk,
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so my question is, except unplugin my TV (when I remember it) is there a way to change/switch the display priority or even duplicate the display ?
thanks to all, and have a nice day
PS: My Rig is on my Signature but i'll write again
MSI Z77 MPower - MSI GTX 670 PE/OC (with GOP/UEFI) - Windows 8 Pro x64

thanks to you teafie ,
I don't know if it's something with drivers since it only happens on UEFI but I will give it a try
EDIT :
As I expected it didn't work, I downloaded the DDU 6.3,
launched it on safe mode (twice : once with both screens plugged, the second time with only the monitor, with a reboot between each attempt)
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once again and anyway thank you teafie,
I searched the internet for days, and no solutions for both AMD/ATI and NVidia

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Hi,
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Hi there, Just wondering if anyone had a solution for this? I am having the exact same problem.
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Sorry for my bad English I'm french :D

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Hello guys
I had this GPU for a month, it hasn`t been running very stable when playing BF3 and Shogun 2. SO after trying few things, different BIOS I downclocked it by 40 Mhz and it runs fine. Downclocked it boosts at 1124 Mhz.
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Quote from: flobelix on 10-January-13, 03:31:32
What should that mean? Decreasing power limit means donwnclocking and preventing boost . That has nothing to do with the decreased power consumption you reported of. Lower real power consuption does not decrease boost clockrates but enable full boost.
I don`t know...But have you tried it? As I said, my clocks are the same, GPU boosts to 1124 Mhz and stays there.
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http://www.evga.com/forums/tm.aspx?m=1738711&mpage=1&print=true
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Three displays with GTX 670 -- duplicating desktop problem

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