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7950 dual monitor problems - Page 2

post #11 of 26
when you opt to use the onboard it disabled the dedicated and vice versa, I'm not exactly sure if you can do both at the same time
 
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post #12 of 26
HDMI and DVI are the same electrically. I'd grab a cheap DVI-HDMI adapter from a hardware store or something, and test the HDMI monitor on your DVI port.

If it works with the adapter, your HDMI port is dead. If it doesn't, your monitor is dead.


EDIT: Lucid put out some software that lets you use both at the same time... but it is rather buggy. If it has HDMI, pulling your GPU and using onboard to test would be a good idea.
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post #13 of 26
Thread Starter 
Quote:
Originally Posted by brucethemoose View Post

HDMI and DVI are the same electrically. I'd grab a cheap DVI-HDMI adapter from a hardware store or something, and test the HDMI monitor on your DVI port.

If it works with the adapter, your HDMI port is dead. If it doesn't, your monitor is dead.


EDIT: Lucid put out some software that lets you use both at the same time... but it is rather buggy. If it has HDMI, pulling your GPU and using onboard to test would be a good idea.
Do you possibly have a link to said software so I can try it out? I tried googling but can't really find anything related.
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post #14 of 26
Quote:
Originally Posted by Chris_483 View Post

Quote:
Originally Posted by brucethemoose View Post

HDMI and DVI are the same electrically. I'd grab a cheap DVI-HDMI adapter from a hardware store or something, and test the HDMI monitor on your DVI port.

If it works with the adapter, your HDMI port is dead. If it doesn't, your monitor is dead.


EDIT: Lucid put out some software that lets you use both at the same time... but it is rather buggy. If it has HDMI, pulling your GPU and using onboard to test would be a good idea.
Do you possibly have a link to said software so I can try it out? I tried googling but can't really find anything related.

It's called Virtu MVP, but you need certain Sandy Bridge or later motherboards.

http://lucidlogix.com/support/virtu-mvp-enabled-products/

http://lucidlogix.com/support/download/driverdownloads-virtu-mvp/

Personally, I'd just unplug the graphics card and test with your motherboard's IGP, if you have one. Lucid software is WAY more trouble than it's worth.
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post #15 of 26
Thread Starter 
Quote:
Originally Posted by brucethemoose View Post

It's called Virtu MVP, but you need certain Sandy Bridge or later motherboards.

http://lucidlogix.com/support/virtu-mvp-enabled-products/

http://lucidlogix.com/support/download/driverdownloads-virtu-mvp/

Personally, I'd just unplug the graphics card and test with your motherboard's IGP, if you have one. Lucid software is WAY more trouble than it's worth.
Yeah my motherboard isn't on the list, I think I've exhausted all testing options right now, my onboard VGA doesn't have a hdmi port so I can't test onboard hdmi > monitor hdmi. Would a hdmi -> VGA adapter be of any use (if such a thing even exists?)

Things I've already tried:

Reinstalling drivers
Using just the 2nd monitor in question with my graphics card via HDMI
Tried to get it to recognise 2nd monitor in both Windows screen resolution +CCC
Tried using 2nd monitor as default monitor hooked up to onboard graphics VGA port, but I think my motherboard doesn't allow me to use both onboard and a graphics card at the same time
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post #16 of 26
Is the second monitor a TV?
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post #17 of 26
Thread Starter 
Quote:
Originally Posted by Vagrant Storm View Post

Is the second monitor a TV?
Technically, yes. It also has a VGA port and a HDMI port though, VGA to the TV's VGA works, verified it with my onboard graphics, but 7950 HDMI to TV HDMI doesn't work unfortunately. I've ordered a HDMI > VGA adapter to see if it will work.
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post #18 of 26
Some TVs just don't like to be monitors...or else don't like adapters. I have one TV that will work just fine in all other aspects, but it will not work if I hook it up to my 580 via the mini-HDMI to HDMI converter that comes with the cards...it will work fine with a DVI to HDMI converter from the same GPU though. I can hook it up via a normal HDMI port on a different GPU and presto...works fine. So I think TVs can just be picky sometimes.

I tried the VGA to HDMI adapter as well, and it works...but only at a resolution lower than 1080p...I don't remember what it was exactly though.
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post #19 of 26
Thread Starter 
Quote:
Originally Posted by Vagrant Storm View Post

Some TVs just don't like to be monitors...or else don't like adapters. I have one TV that will work just fine in all other aspects, but it will not work if I hook it up to my 580 via the mini-HDMI to HDMI converter that comes with the cards...it will work fine with a DVI to HDMI converter from the same GPU though. I can hook it up via a normal HDMI port on a different GPU and presto...works fine. So I think TVs can just be picky sometimes.

I tried the VGA to HDMI adapter as well, and it works...but only at a resolution lower than 1080p...I don't remember what it was exactly though.
I'd be fine with any resolution pretty much, all it's gonna be used for is to watch streams/instant message/browse while I play stuff in full screen on my main monitor, so I hope it works with the adapter smile.gif.
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post #20 of 26
I think the DVI and the HDMI port share the same signal.

I know one of my dvi's and HDMI does. You might have to try display port.
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