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Hi! I have been having an issue with my 3year old iMac screen flickering and briefly going white while using the lastest version of LR Classic. It starts after I have been using it for a while, not right away. I have tried Reseting NVRAM or PRAM, and have started up in Safe Mode as advised by Apple, but the problem comes back after using LR for a while. It does not start while I am online, or in other apps. Any thoughts? I saw in another post here to turn of the Graphics Processor in Preferences?? Any help would be greatly appreciated!
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I suggest turning the Graphic Processor to OFF and see whether that helps. This is located via the Lightroom Classic Menu > Preferences > Performance.
I hope this helps.
warmly/j
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Thank you I will try this! Thanks for replying!
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Hi! This problem seems to be common to the Macs equipped with an AMD Radeon R9 M380 2 GB graphic card running on Mojave. I have the same problem in the same conditions and wondering if it's worthwhile updating to Catalina. Did you update your iMac to Catalina? Did this solve your problem? Thx in advance for your answer. Regards.