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Dual Monitors - Exactly the same model - Colour issues


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#1 rstaniforth

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Posted 13 October 2016 - 01:44 PM

Hi all,

 

Pulling my hair out at the moment!

 

So, I purchased a second monitor yesterday and went for exactly the same one has I already have - BenQ G2320HDBL

 

I have a Geforce GTX 980.

 

Main monitor is connected via DVI-D out of the monitor and HDMI into the GPU.

Second monitor (the one I just bought) is connected via DVI-D out of the monitor and DVI-D into the GPU.

 

Monitor works fine, but there are serious colour issues... Well, I'd say more issues with the actual 'umph' of the whites/blacks... Its like they are almost dull.

 

Please see the picture below - This is just a Chrome window stretched across the two monitors displaying a white background

 

IMG_20161013_WA0034.jpg

 

The next image just shows my wallpaper.

 

DSC_0112.jpg

 

The monitor on the left is my main monitor and the colours are perfect.

The monitor on the right is the second monitor and its lacking everything.

 

I've spent an hour messing with the RGB/Brightness/Contrast/Gamma settings, but cannot get it to match.

 

I've plugged the second monitor in via HDMI and removed the original monitor, but the issue is still there.

 

Would you say this is due to deterioration of the LCD lamp?

I purchased the monitor second hand but it was sold as working - Its not an issue returning it.

 

Thanks for reading.

 

Cheers, Ryan


Edited by rstaniforth, 13 October 2016 - 01:46 PM.


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#2 Gorbulan

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Posted 13 October 2016 - 02:51 PM

There are color variations between identical monitors models, that is normal. What isn't normal is a extreme variation. Judging from the picture the right monitor is "darker" than the left? How noticeable?

 

It looks like you are using Windows 10. Correct me if I am wrong.

  • Open Control Panel
  • Click NVIDIA Control Panel
  • Click 'Change Resolution'
  • Scroll down and make sure both of your monitors are set to 'Full' under color range

If that does not fix it:

  • Open Control Panel
  • Click on Color Management

It looks like this:

 

 152505d1379296668t-identical-monitors-no

 

From there you can calibrate. Try a few calibrations, sometimes it takes two attempts to get it right. If you can't get it right, the monitor may need returning.


Edited by Gorbulan, 13 October 2016 - 02:51 PM.


#3 rstaniforth

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Posted 13 October 2016 - 03:10 PM

Hi Gorbulan,

 

Thanks for your reply.

 

Yes, I am using Windows 10.

 

Colour range is set to Full - Makes no difference.

I've tried calibrating, but with no avail :-(

 

It's almost as if the LCD is "half" working... It's hard to describe, but no matter what I change, the second monitor looks completely different.

 

I think I may have to get in contact with the company I bought it off.

 

Thanks for your suggestions.



#4 Gorbulan

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Posted 13 October 2016 - 04:23 PM

Yep. Contact the company. That monitor is defective. It happens, that's why there are returns.



#5 Platypus

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Posted 13 October 2016 - 04:55 PM

I purchased the monitor second hand but it was sold as working - Its not an issue returning it.


It is possible it has simply had long running hours, although that is generally more to be expected with CCFL backlit units. If they will allow a return on that basis well and good. Another consideration is what Part Number is the second monitor? If it doesn't have the identical P/N (label on the back) to the original monitor, then it's not the identical unit inside the case, and may have a different type of LCD panel. The Part Number will have the sequence xx.xxxxx.xxx

Edited by Platypus, 14 October 2016 - 06:28 AM.

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