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Bought two QNIX 2710 monitors. Help me out OCN

post #1 of 8
Thread Starter 
I bought two QNIX 2710 monitors and overclocked both to 120Hz easily on my nvidia 580. I was able to run the tester with no problems on both screens (getting 120 FPS) and even run them at the same time (one on each screen). Here is a screenshot of when I had both monitors on the 580 LINK

I just upgraded to the 780 yesterday and now I am having weird problems.
So I had to re-overclock them because it wiped my resolutions out when I switched to 780. So I can overclock both monitors to 120Hz but if I run the FPS test on both screens at the same time, my FPS average in the 50s on each screen. If I run each one separately at a time, I get 120 FPS. Picture

Now, if I overclock both monitors to 96Hz, both screens freak out and one goes solid blue and other goes solid green. So I started to experiment with overclocks:
I used this tester for Hz and FPS

If I set one monitor to 120Hz and the other to 96Hz. both average 50FPS
If I set the OTHER monitor to 120Hz and the OTHER monitor (just switching monitor OC above) They both show 96 FPS on both of the screens at the same time.

If I set one monitor to 96 and other to 60 - both average 50FPS
If I set one monitor to 120 and other to 60 - both average 50FPS

If I set them both to 60Hz - both average 50FPS
If I set them both to 120Hz - both average 50FPS
If I set them both to 96Hz - I get a flashing/solid blue/green screen.

I tried switching cables, power supplies, the obvious things. I don't think I need to do the Pixel patch since I am getting an OC already, correct? I tried reinstalling drivers. I am not sure what else to do.
I do not think it is anything with the screens because I had this stable on my 580 (gaming for weeks). But as soon as I got the 780, it has been problems.

I also OC'ed each one separately (using only one screen at a time) and had no problems getting 120 FPS/Hz. It's when I hook them both up that I have problems. Why wouldn't I get 120FPS or even 96FPS (96Hz is when screens just turn solid colors) on both screens at the same time? I would say my graphics card, but if my 580 can do it, the 780 should deff be able to do it.
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Baby Blue
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post #2 of 8
Drivers may be iffy. Sounds like the driver is capping at 100Hz when you have multiple screens attached, which is why your monitor freaks out when you have it at 96Hz.
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by cloudbyday View Post

Drivers may be iffy. Sounds like the driver is capping at 100Hz when you have multiple screens attached, which is why your monitor freaks out when you have it at 96Hz.

Well I can OC to 120Hz but:
If I set them both to 120Hz - both average 50FPS
Baby Blue
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Black Ice SR1 480 Rad 2x Black Ice SR1 360 Rad Black Ice SR1 240 2x D5 Vario Pump - Koolance with Bitspower Blue... 
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Baby Blue
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Black Ice SR1 480 Rad 2x Black Ice SR1 360 Rad Black Ice SR1 240 2x D5 Vario Pump - Koolance with Bitspower Blue... 
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Phobya Dual 5.25" Bay Reservoir FrozenQ Blue Helix Windows 7 64-bit 2 x 27" QX2710 @ 120Hz (2560x1440) 
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post #4 of 8
Quote:
Originally Posted by dseg View Post

Well I can OC to 120Hz but:
If I set them both to 120Hz - both average 50FPS
Probably an issue of desktop composition.
post #5 of 8
Sure, but again this is a driver issue. Remember that the 780's are still new and drivers may not be as stable. 780's should be able to handle the load, the monitors should be able to display 120 Hz, and you have good hardware. So I am going to assume its a software issue being that the 780's are new and drivers are still in development.
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post #6 of 8
Are you trying to run a two monitor surround set up?

what outputs are you using on your 780? Have you tried different outputs?
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by kevinsbane View Post

Probably an issue of desktop composition.

Care to elaborate on that? Anything I can as a fix?
Quote:
Originally Posted by cloudbyday View Post

Sure, but again this is a driver issue. Remember that the 780's are still new and drivers may not be as stable. 780's should be able to handle the load, the monitors should be able to display 120 Hz, and you have good hardware. So I am going to assume its a software issue being that the 780's are new and drivers are still in development.

I would think the drivers are just as stable as the 580. I am using the same version 320.49
Quote:
Originally Posted by Rickles View Post

Are you trying to run a two monitor surround set up?

what outputs are you using on your 780? Have you tried different outputs?
The monitors are both dual DVI, the 780 only has two DVI ports to use.
Baby Blue
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i7-2600K OC ASUS P8P67 DELUXE EVGA GTX780 Dual Classified Hydro Copper 16GB G.SKILL Ripjaws X Series DDR3 1600 
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Crucial M500 960GB 1.5TB Western Digital ASUS 24X XSPC Raystorm CPU Block 
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PrimoChill PrimoFlex Advanced LRT Tubing Arctic Silver 5 Thermal Compound Bitspower G1/4 1/2" 3/4" Compression fittings Bitspower Dual D5 Mod 
CoolingCoolingCoolingCooling
Black Ice SR1 480 Rad 2x Black Ice SR1 360 Rad Black Ice SR1 240 2x D5 Vario Pump - Koolance with Bitspower Blue... 
CoolingCoolingOSMonitor
Phobya Dual 5.25" Bay Reservoir FrozenQ Blue Helix Windows 7 64-bit 2 x 27" QX2710 @ 120Hz (2560x1440) 
KeyboardPowerCaseMouse
Logitech G110 Gaming Keyboard CORSAIR Gold AX1200i Case Labs TH10 Razer Naga 
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Sennheiser PC 350 Scythe Kaze Q-12 5.25" Bay 12 Channel Fan Contr... 
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Baby Blue
(27 items)
 
  
CPUMotherboardGraphicsRAM
i7-2600K OC ASUS P8P67 DELUXE EVGA GTX780 Dual Classified Hydro Copper 16GB G.SKILL Ripjaws X Series DDR3 1600 
Hard DriveHard DriveOptical DriveCooling
Crucial M500 960GB 1.5TB Western Digital ASUS 24X XSPC Raystorm CPU Block 
CoolingCoolingCoolingCooling
PrimoChill PrimoFlex Advanced LRT Tubing Arctic Silver 5 Thermal Compound Bitspower G1/4 1/2" 3/4" Compression fittings Bitspower Dual D5 Mod 
CoolingCoolingCoolingCooling
Black Ice SR1 480 Rad 2x Black Ice SR1 360 Rad Black Ice SR1 240 2x D5 Vario Pump - Koolance with Bitspower Blue... 
CoolingCoolingOSMonitor
Phobya Dual 5.25" Bay Reservoir FrozenQ Blue Helix Windows 7 64-bit 2 x 27" QX2710 @ 120Hz (2560x1440) 
KeyboardPowerCaseMouse
Logitech G110 Gaming Keyboard CORSAIR Gold AX1200i Case Labs TH10 Razer Naga 
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Sennheiser PC 350 Scythe Kaze Q-12 5.25" Bay 12 Channel Fan Contr... 
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post #8 of 8
make sure your HD ,memmory,MOBO is all compatible and up to date.... Google 780 issues and keep looking for odd reasons
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