What causes these strange objects to flash up on boot screen?
I noticed this happens ONLY when I start up this MB Air A1466 13" 2014 (BigSur)
It flashes up for a split second then is gone and everything is running smoothly otherwise. It is a clean install of BigSur.
I found this video https://www.youtube.com/watch?v=QYLOhbrn... but the MB Air series has built in RAM, but it is a similar grid of squares.
Update (07/17/24)
@codywankenobi It is a fresh clean install on a MacBook Air 13" 2014 with BigSur and with all the latest software updates as that is all I have done to it, no other settings have been changed. I never noticed it before the install as it was reinstalled when it arrived here. @danj There are no SO-DIMM RAM or removable modules on MacBook airs. The. video I linked to was the nearest thing I could find to this issue and it was from a MacBook Pro 2012 I think. Is there any fix for this or should I just try another clean install? Because when it goes for sale it is not a good look....
I did change the resolution to 1280x800 or something, when I reset to defaults the shapes are no longer happening at boot!
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