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Q: Weird shape keeps flasin in bottom right corner of screen

A weird stair looking shape keeps flashing in the bottom left corner of my screen every 5 to 10 seconds. Please let me know what i should do. I have the MacBook Pro, 15", 2.2GHz i7, 16gb Ram.

 

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MacBook Pro with Retina display, OS X El Capitan (10.11.5)

Posted on Jul 6, 2016 2:29 AM

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Q: Weird shape keeps flasin in bottom right corner of screen

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