30 bit display grayed out on Imac 2020 and Photoshop 22.3.0

New Here ,
Mar 19, 2021 Mar 19, 2021

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Hello,

 

I have an Imac 2020, i7, Radeon 5500xt, external monitor Benq SW320, and I am getting grayed out 30-bit display option. 

In my case, Photoshop doesn't use 10bit color.

I have used a test 16 bit gradient image and I can see the banding.

In Big Sur preview the test image doesn't have banding and In the graphic card system report, both of my monitors are 30bit capable.

I have tried reinstalling, resetting preferences, changing to high band cable. I have used several thunderbolt to display port cable and HDMI but still nothing.

 

Can somebody provide the solution?

 

Thanks!

 

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Mac, Performance

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correct answers 1 Correct Answer

Adobe Community Professional , Mar 19, 2021 Mar 19, 2021
I know nothing about which configurations support 30 bit on Mac - but if this changed after updating to 22.3 see this: https://feedback.photoshop.com/conversations/photoshop/photoshop-223-30-bit-display-and-advanced-drawing-mode-issues/604a93a71a1dea4abc48d0ad 

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Adobe Community Professional ,
Mar 19, 2021 Mar 19, 2021

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I know nothing about which configurations support 30 bit on Mac - but if this changed after updating to 22.3 see this:

https://feedback.photoshop.com/conversations/photoshop/photoshop-223-30-bit-display-and-advanced-dra... 

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New Here ,
Mar 19, 2021 Mar 19, 2021

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Thank you very much. It seems that this is common in this version. 

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