2 monitors on 1 card not working?

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scrub777

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May 28, 2017
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510
Hi i have 2 monitors that i've been wanting to use for a while but i haven't been able to get both of them to work. The monitor that works is connected via DVI to HDMI and the second one (not working) is HDMI to HDMI. I have a gtx 1070 windforce oc and i wasn't sure if the card is unable to run 2 monitors or i needed to download a program or something along those lines. Please help, any feed back is appreciated.

Other information: CPU, AMD FX-8320 8 Core Black Edition Processor. motherboard, MSI 970 Gaming Motherboard
 
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Hello,

You have not gotten an answer yet, but I encountered the exact same issue as you with my 1070. With only 1 dvi slot, plugging in an hdmi said my monitor was not detected.

I found a solution though. It turns out that a lot of hdmi cables are not able to help a gpu connect to a 2nd monitor. A long cable might circumvent that. It has to do with how hdmi only allows one connection from the gpu or something.

If you instead connect a display port-hdmi, it might work like I successfully managed to do just now.
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Rizing

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Aug 19, 2016
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I have my 2nd monitor connected via dvi-d to hdmi and my 1st monitor connected via dvi-i to hdmi.

I don't think that should make a difference but maybe the monitor is set up to use specific cables?

Also, in your display settings, there is "identify" and "detect" and above that should be a screen showing you if your computer detects more than 1 monitor. What is shown for you?
 
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scrub777

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May 28, 2017
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it says that there are two monitors and i can change it. I havent even though of checking in there. ive tried playing around with the "multiple displays" drop down arrow and nothing changed there
 
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Rizing

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Aug 19, 2016
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Ok, some basic diagnostic questions.

What is your graphics card?

#1 Power cord is plugged into the monitor and into an outlet?
#2 Are monitors the same or different?
#3 Is screen completely black/unresponsive? or waiting for signal? or?
#4 In the screen above that shows how many monitors you have, can you select the 2nd one and force that to be your main?
 
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scrub777

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May 28, 2017
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510

My graphics card is a Geforce GTX 1070 Windforce OC
yes connection is good
same monitors BenQ GW2270H 21.5in
screen is blue saying No Cable Connected! when connection is not an issue
yes i can but still the same message and the first monitor says no hdmi connected

 
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Rizing

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Aug 19, 2016
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Your graphics card is definitely more than capable.

Someone probably knows more than me and I would recommend you wait for that person, but for now, my only suggestion is to use a different port on your graphics card to see if that is the issue. For example, my 760 has 1xDVI-I, 1xDVI-D, and 4 times HDMI. I have both DVI slots used.
 
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scrub777

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May 28, 2017
5
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510

Alright thanks so much for you help i really appreciate it
 
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R

Rizing

Commendable
Aug 19, 2016
75
0
1,640
Hello,

You have not gotten an answer yet, but I encountered the exact same issue as you with my 1070. With only 1 dvi slot, plugging in an hdmi said my monitor was not detected.

I found a solution though. It turns out that a lot of hdmi cables are not able to help a gpu connect to a 2nd monitor. A long cable might circumvent that. It has to do with how hdmi only allows one connection from the gpu or something.

If you instead connect a display port-hdmi, it might work like I successfully managed to do just now.
 
Upvote 0 Downvote
Solution
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scrub777

Prominent
May 28, 2017
5
0
510

alright thanks ill go out and get one when i have a spare moment
 
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