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When my MacBook is related to my exterior 4K display and dock, it generally randomly flashes a white overlay for a brief period of time. It isn’t a {hardware} situation, because the white overlay has rounded corners, doesn’t prolong all the best way to the perimeters of the display, and is an animated clear overlay. It seems to be like an animation that might be used to point a screenshot was simply made. It takes lower than a second.
I’ve already checked accessibility settings associated to flashing when a notification seems, however all of that’s disabled (and it occurs when no notifications are coming in). It would not appear tied to the appliance I am utilizing in the mean time and it occurs seemingly randomly. I’ve solely seen it occur when related to this specific monitor and dock. Frequency ranges from 2 instances in 5 min to lower than as soon as an hour, however hardly ever greater than 10 instances over a whole night.
Any try at looking for this leads me to posts about damaged screens, sudden white flashes (full display absolutely white), or flickering, which this isn’t. The display and dock work completely effectively in addition to these occasional overlays. I’d extremely admire it if anybody might inform me what it means, what the function is named, and/or the best way to stop it.
I’ve a MacBook Professional with M1 Professional (32 GB Reminiscence), operating Mac OS Ventura 13.5.1 (22G90).
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