Jim, remark was a reference to a previous recommendation provided by Bob Frost in his post of Oct 31, 2017 1:38 PM. Just quoted it as it was back in time and might not be obvious. Sorry if it was confusing.
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RE: "Turn off the 'Use GPU' in Performance. It is only of possible use if you have 4 or 5K monitors. Not guaranteed even then; depends on what graphics card and drivers you have. It works with some and not others." This worked for me too. Symptom was a hard crash when cropping in Lightroom Classic CC. Using Chipset Model: NVIDIA GeForce GTX 675MX
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joeymphoto; Ever get any resolution to this problem? I'm having what seems to be the exact same problem on an iMac; crashes during cropping in Lightroom.
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