How to run 3 monitors independlty with 2x r9 390s in crossfire

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So I recently built a new pc and long with that I upgraded my monitor setup. For this new build I deiced to go with 2 r9 390s in crossfire because I wanted to game at 4k. The cards are more than capable for gaming on 4k however I have 2 additional 24" monitors that I want to run independently of my main 4k monitor. I have been messing around with my graphic card's setting but I cannot seem to figure out how to run my 3 displays independently and not in eyefinity mode. For reference my old pc had 2 nvidia cards in sli and I ran 3 monitors independently and want to do the same with my new setup. Any help would be greatly appreciated. Thanks

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What do you mean independently?

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Just use the windows display settings in control panel...

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I mean not having them linked together and run a one large display. If this makes any sense I dont want the res to 5780x1080 or somehting like that. I want the computer to recongize each display as having its on res. So the 2 side monitors would be run at 1920x1080 and my main center screen at 3840x2160

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when i go to use the windows display settings it does allow me to run them seperatly.

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for what reason? like running some things full screen? it seems to lock that to one monitor for me anyways

http://www.tomshardware.com/forum/326555-33-monitors-resolutions-wanted

from 2011, dunno if it's still relevant and your 4k display is most likely already over DP but

"- Support up to 3 monitor outputs simultaneously and independently.(one of the outputs must be DisplayPort.)"

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So right now I have my 4k monitor plugged in via display port and the other 2 as dvi. Right now the only monitor that is working is my center one. The other two are blank and act as if they are not hooked up to anything.

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are they all hooked up to the first card?

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yes

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well maybe this will have an answer

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See that is how I did with my nvidia setup but now I have a amd gfx card setup.