![]() I don't know anything about graphics cards or the more advanced settings that some of the forums talk about. ![]() IMac (mid 2011), OS X 10.13.6 High Sierra (I can't update to any newer OS due to the age of my computer) I did some searching on the forums and found a few other threads, but the button I need in the Preferences > Performance > Advanced Settings is greyed out and I can't select it. I opened my desktop copy of Photoshop for the first time in a while to do some coloring on a piece of art (I've been using Fresco on my iPad a lot lately) and PS won't allow me to rotate my canvas anymore due to an OpenGL error of some sort. ![]()
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