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antmarobel

macrumors 6502a
Original poster
May 8, 2009
535
193
Brasília
Folks, I want you to take a look at this and, for those who may know, tell me what it means. I was gently browsing the internet yesterday - a Brazilian news blog: http://brasil247.com - using Firefox on El Capitan Public Beta when, suddenly I got this:


Display divided in two parts: Black and Yellow and
Mac was completely frozen. I had to switch it off...
When it came back everything was completely normal...

Can someone give any clue of what happened? iMac 27 late 2014 3,5 GHz Core i5
 
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