Hi all! Over the last few days, I've noticed a problem when I use Photoshop. When I'm working on an image. Periodically, the image just turns gray. I have to click around the image or on the tools or on the layers... to make the image show up again. I can make the image go gray by clicking out of Photoshop... on an email or on my web browser. Other than that, I can't predict when it will happen. I am running Photoshop 21.1.3 on my iMac... which is running OS 10.15.4. I don't know if this is a Photoshop issue... or an issue with my graphics card? I'm not sure where to start. I made sure I had scratch discs set up (I do), so I don't think it's a memory issue. My hard drive is not even 50% full. I'm attaching a screenshot of what it looks like when the image is just gray. You can see all the layers on the right...
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