HT201314: About OS X Recovery
Learn about About OS X RecoveryQ: Hello I updated my software on my MAC to 10.10.5. It seemed fine until the screen started showing hundreds of small flashing squar ... Hello I updated my software on my MAC to 10.10.5. It seemed fine until the screen started showing hundreds of small flashing squares during all operations. Eventually it can totally lock up the screen and computer. Any ideas? more
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Helpful answers
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Sep 13, 2015 4:12 AM in response to newbigginboyby tbirdvet,Do an SMC and PRAM reset and a see what happens.
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Sep 13, 2015 10:53 AM in response to newbigginboyby Eric Root,Would you make a screen shot so people can see what you are seeing? Make sure you cover any personal information using Preview. Post the screen shot in a Reply using the camera icon or you can drag the screen shot into a reply. Copy and paste doesn't work.