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NRC13
NRC13
Inspiring
December 22, 2021
Question

RGB values not shown in Camera Raw histogram

  • December 22, 2021
  • 1 reply
  • 869 views

Camera Raw 14.1.0.993 and Windows 10

I no longer see the RGB values displayed in the Camera Raw histogram.  It used to be that as I moved the Zoom tool, Hand tool, or White Balance tool over the image, the RGB values were shown above the histogram.  I am sure it was working yesterday.  Today they are not there.  I can still use the color sampler tool to get the RGB values at selected fixed places on the image.  Any thoughts?

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1 reply

NRC13
NRC13Author
Inspiring
December 22, 2021

Additional information:  Looks like this is related to the graphics card.  I have a NVIDIA GeForce GTX1060 6GB card.  If "Use Graphics Processor" is set to Auto in the Camera Raw performance tab, I get a message that the system supports full acceleration,  but then RGB values are not displayed above the histogram.  If I set "Use Graphics Processor" to Off I get a message that Graphics acceleration is disabled but then RGB values are displayed above the histogram.  

TheDigitalDog
TheDigitalDog
Inspiring
December 22, 2021

If turning OFF GPU works, it's a GPU bug and you need to contact the manufacturer or find out if there's an updated driver for it. 
Also see: https://helpx.adobe.com/photoshop/kb/acr-gpu-faq.html

Author “Color Management for Photographers" & "Photoshop CC Color Management/pluralsight"
NRC13
NRC13Author
Inspiring
December 24, 2021

Thanks.  I installed the latest driver but problem still there.  I have reported it to Nvidia.

 

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