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Haswell - Onboard Graphics and Video Card to Use 3 Monitors

From searching the forums, it appears that support for the use of onboard video and a graphics card at the same time is inconsistent among boards. Is this still an issue with Haswell?

I am trying to set up a 3-monitor system and was considering a Gigabyte motherboard (http://www.newegg.com/Product/Product.aspx?Item=N82E16813128667), but in the manual it only talks about turning onboard video on/off and doesn't address using both graphics sources simultaneously.

If someone would recommend another cheap (under $80) mobo that would would do this with certainty, I am all ears. Also, is there an easy to know if a Haswell-based mobo will do this? Thanks!
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  1. Err from what I know you can't use your onboard iGPU with your discrete card simultaneously. I am aware you can use an AMD APU and a discrete AMD card at the same time though but I don't think intel can do the same. But what I'm 100% sure you can do, is that you can use a two graphics cards to support multiple monitors. They don't have to be the same model or have to be in SLI. I know many people that own a card like a GTX 680 and use a dirt cheap GT 610 for use with extra monitors.
  2. Yes - you can't use both integrated and discrete graphics at the same time. Like trying to sli 2 different cards.

    If you have a decent graphics card it wouldn't make any difference anyway.

    Even AMD can only use both at once for weak graphics cards eg r7 240
  3. Best answer
    There is Bios option in some bios's that allows simultaneous use of the onboard GPU and discrete graphics card I can't remember what it is called exactly. (About to go somewhere don't have the time to look) a Quick google search allowed me to find this : http://www.intel.com/content/www/us/en/intelligent-systems/intel-embedded-media-and-graphics-driver/hybrid-multi-monitor-support-paper.html
    http://www.tomshardware.com/answers/id-1891826/forcing-windows-show-onboard-graphics-video-card.html

    I have actually done this myself when the HDMI on my GPU died and I needed a second monitor.
  4. Thank you all! It seems that there are a few ways to approach the situation, and I may end up trying each one :) Much appreciated!
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