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Windows 7: Dual Monitor DVI port problem

26 Feb 2011   #1
wowbagger84

win7 64bit
 
 
Dual Monitor DVI port problem

Hi

I have browsed this forum for over an hour now looking for a solution for my dual monitor problem, still no luck!

I want to use 2 dvi->hdmi cables to connect my monitor and my TV (both got 1080p resolutions) but I can't get them to detect at all in windows. I only get the first one.
So I know the cables are good, the screens are good and that the card is supposed to support this. I have no f-ing clue why this is not working. I got a mini hdmi output on my card aswell but I cant use it since the adapter that I got with the card does not work when I have to use the dvi port next to it.

After running the tutorial found here:

Force DVI/HDMI resolutions and refresh rates

I can run my monitor on vga (after a dvi-vga adapter) on the correct resolution. so this shows that both dvi ports on the card are correct (I think). So why the **** can't I use both div connections at once?

//Rob


My System SpecsSystem Spec
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26 Feb 2011   #2
bassfisher6522

Windows 7 Ultimate 64 bit
 
 

Not sure with Nvidia cards but with ATI/AMD cards, when you use the HDMI port, you loose one of the DVI ports, since they are the same except sound from the HDMI. As to which DVI port is port 1 and port 2, I'm not sure. Does your TV have a HDMI port? If so, go HDMI to HDMI to GPU for the TV and then go DVI to DVI for the monitor. Then trail and error as to which DVI port is 1 and 2 on the GPU.
My System SpecsSystem Spec
27 Feb 2011   #3
wowbagger84

win7 64bit
 
 

According to the GPU manual the dvi port next to the hdmi port is port number 1 and because its to close to the hdmi port I can't use port 1 and the hdmi port at the same time. This port always gives picture, the dvi port number 2 only detects my screen if I use a dvi->vga cable and this is what I want to avoid. (I hope you can make sence of my rambling)
My System SpecsSystem Spec
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27 Feb 2011   #4
CueBall1

Mandriva
 
 

Quote   Quote: Originally Posted by bassfisher6522 View Post
Not sure with Nvidia cards but with ATI/AMD cards, when you use the HDMI port, you loose one of the DVI ports, since they are the same except sound from the HDMI. As to which DVI port is port 1 and port 2, I'm not sure. Does your TV have a HDMI port? If so, go HDMI to HDMI to GPU for the TV and then go DVI to DVI for the monitor. Then trail and error as to which DVI port is 1 and 2 on the GPU.
yeah its same with Nivida cards too.
My System SpecsSystem Spec
28 Feb 2011   #5
wowbagger84

win7 64bit
 
 

Update: I'm talking to nvidia about this matter and they gave the advice that I should reinstall my drivers while in safe mode, going to try that when I get home. Will update this post when I have done this.
My System SpecsSystem Spec
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 Dual Monitor DVI port problem




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