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Samsung 2233RZ problem: 120Hz doesn't work.

post #1 of 18
Thread Starter 
Hi,

so I just got my Samsung 2233RZ I bought off of ebay.
Problem is that I can only select 60Hz, while the monitor shold be capable of 120Hz.
In the AMD control center I can select 75Hz, but only with a resolution of 1280x1024.
I should probably mention that I don't have the original DVI cable, so I'm using this one:
http://www.amazon.de/gp/product/B0088D32XI/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1&tag=comput0d-21

Tested both the standart microsoft PnP driver and the one from the samsung website.
Also tested different GPU drivers.
Nothing works.

Any ideas?

Edit: In case thats important:
I'm using a PowerColor Radeon HD 7870 GPU and Win7 64bit.
Edited by RentoN - 4/16/14 at 5:10am
post #2 of 18
Force 120Hz through this tool below:
http://linustechtips.com/main/topic/31526-overclocking-your-monitor-refresh-rate-amd-gpus/
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by BradleyW View Post

Force 120Hz through this tool below:
http://linustechtips.com/main/topic/31526-overclocking-your-monitor-refresh-rate-amd-gpus/

Ok tried that. Problem is that I can only go up to 75Hz before the monitor stops working frown.gif
post #4 of 18
Make sure you are actually using the Dual-Link DVI port (the port you aren't using right now) on your 7870 since it has a single link port which won't support 120hz and a dual-link dvi port.
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post #5 of 18
Quote:
Originally Posted by RentoN View Post

Ok tried that. Problem is that I can only go up to 75Hz before the monitor stops working frown.gif

Are you running Dual or Single linked DVI?
X79-GCN
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X79-GCN
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post #6 of 18
Thread Starter 
Quote:
Originally Posted by BradleyW View Post

Are you running Dual or Single linked DVI?

I'm using a Dual Link DVI cable if that's what you mean.
Quote:
Originally Posted by MenacingTuba View Post

Make sure you are actually using the Dual-Link DVI port (the port you aren't using right now) on your 7870 since it has a single link port which won't support 120hz and a dual-link dvi port.

My card only has one DVI port.
http://www.amd.com/en-us/products/graphics/desktop/7000/7800#
I tried using a DisplayPort adapter though, but that didn't fix the problem.
Edited by RentoN - 4/16/14 at 11:04am
post #7 of 18
Did you try changing the refresh rate in Windows as oppose to using CCC?
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X79-GCN
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Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
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MonitorKeyboardPowerCase
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MouseAudio
Logitech G400s Senn HD 598 
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post #8 of 18
Thread Starter 
Quote:
Originally Posted by MenacingTuba View Post

Make sure you are actually using the Dual-Link DVI port (the port you aren't using right now) on your 7870 since it has a single link port which won't support 120hz and a dual-link dvi port.
Quote:
Originally Posted by BradleyW View Post

Did you try changing the refresh rate in Windows as oppose to using CCC?

Yes. Only available option is 60Hz.
post #9 of 18
Which exact Powercolor 7870 are you using?
X79-GCN
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CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
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Logitech G400s Senn HD 598 
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X79-GCN
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
BenQ XR3501 35" Curved Corsair Vengeance K90 Seasonic X-1250 Gold (v2) Corsair 900D 
MouseAudio
Logitech G400s Senn HD 598 
  hide details  
Reply
post #10 of 18
Thread Starter 
Quote:
Originally Posted by BradleyW View Post

Which exact Powercolor 7870 are you using?

Should be this one.
http://www.amd.com/en-us/products/graphics/desktop/7000/7800#

As it turns out only the DisplayPort seems to supports 120Hz :S

Would something like this work?
http://www.amazon.de/gp/product/B00J5DPGFW/ref=noref?ie=UTF8&psc=1&s=ce-de
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