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3 monitors on a hd 7870

Tags:
  • DVI
  • Monitors
  • HDMI
  • Graphics
Last response: in Graphics & Displays
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August 7, 2013 6:26:57 PM

ok so i have a XFX 7870 Double D, and i would like to be able to switch my main monitor between my DVI monitor and my HDMI tv, but the problem is that if i just unplug one DVI and plug in the HDMI nothing happens. i understand that to have 3 monitors hooked up that i need to have a active mini display port to hdmi adapter to make it work. how can i make it work without that?

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a b C Monitor
August 8, 2013 10:53:21 AM

I have the same card with 3 monitors on it, you have be be using at least one mini display port to something to make it work, i have a dvi to hdmi, hdmi, and mini dp to vga on my setup.
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August 8, 2013 4:18:14 PM

yeah i got a mini display port to hdmi and it still doesnt work.
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a b C Monitor
August 8, 2013 4:27:24 PM

So you're wanting them to all work at the same time? or you want to be able to swap them a certain way?
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August 8, 2013 9:16:47 PM

well having all of them connected at the same time would be convenient but im on with having to switch it over to the hdmi to use my tv. but i tried unplugging my secondary dvi monitor and plugging in my hdmi tv and nothing, restarted the computer and nothing. so i am looking at trying to get a active mini display port to hdmi but it has to be active and none i have found say active.
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a b C Monitor
August 9, 2013 12:12:08 PM

So you've got DVI, HDMI, and a mini DP and you can't get them all to work at once? Have you tried switching the DVI to the other one maybe? i don't know why that would help, but hey, who knows. If you can't get that config to work, it sounds like a driver/hardware problem, not something you're doing wrong.
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August 10, 2013 2:05:10 AM

so yeah i figured out that the HDMI cable i had was faulty. so i can use 2 ports(one minidp to hdmi and a dvi, or dual dvi's) without having any kind of special converter. but if i want all three connected at the same time i need to have a active mini DP to hdmi. but i foudn that if i unplug the hdmi from my tv that goes to my pc it uses the dvi's and once i plug that hdmi in it runs with the big screen tv as the main. so it just takes like 5 second to switch it over
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