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Iphone4sinwhite

macrumors 6502
Original poster
Oct 24, 2011
307
3
On my 2011 MBP, I often have many safari tabs open. Recently, when changing between tabs, certain areas of the screen will momentarily flash black. Also, scrolling on some websites will cause small areas of the screen to flash black. The black only last for a half second or less and none of it is permanent. What might this be a symptom of?
 
If you have Flash installed, I've seen some websites show this same issue. It seems to be a "feature" of Flash (which is why I'm trying to go flash-free)
 
I don't have flash installed. Could this be a manifestation of the video card issue some machines have had?
 
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