Did you try to turn off night mode ? @ Claude31 I'm not using dark mode.
I had the same issue. It was resolved when I turned off (unchecked) Reduce Transparency. (System Preferences > Accessibility > Display > Reduce Transparency ) @bobscape It seems work, many thanks!
I just still don't understand why resetting SMC could also keep it away from flashing, at least for a while.
Zehongs
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