Nikon D300 RAW file degrades when opened from ACR to PS

Question

When I open a D300 image in Photoshop it looks OK in ACR and I can make adjustments with out a problem. But when I proceed to Photoshop the image is nothing like what ACR displayed. Colours and contrast are way off with banding and splotches of cyan and magenta in the Skys. This hapens even when I do not make any adjustments in ACR.

I usually work in Prophoto but changing to Adobe RGB in both ACR & Photoshop the banding improved but the colours and contrast are still way off. The original images are all RAW files. This happening with all my D300 NEF files. If I first convert to DNG using the Adobe converter, same problems.

I decided to go back to some older images that I really like and redo them with updated software. My first digital camera was a D300 and from 2008 to 2012 we traveled with it to various parks etc. RAW images taken with later Nikon cameras process with out a problem (D800 - Z8).

I am Using the latest versions of ACR and Photoshop. My PC has 64G of memory and the GPU is a Nvidia GTX 5070.

D Fosse · Answer

On the face of it, it sounds like either a corrupt monitor profile or a GPU driver bug. Those are two sides to the same coin, since the actual conversion into the monitor profile is executed by the GPU.

Please post the full Help > System Info from Photoshop. Just paste the whole thing into a reply. Also, we need to see a side-by-side screenshot.

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