HT204267: If your Mac won't turn on

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margaret1093

Q: my computer (macbook pro, yosemite) went black when my son was running a connectivity speed test and download speed test to take online class exam.  He said it was making a 3 beep alarm and was unable to bring up screen again.

my computer (macbook pro, yosemite) went black when my son was running a connectivity speed test and download speed test to take online class exam.  He said it was making a 3 beep alarm and was unable to bring up screen again.   I want to take into genius bar because I do not want to make whatever problem it is worse. 

MacBook

Posted on Nov 16, 2015 5:09 PM

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Q: my computer (macbook pro, yosemite) went black when my son was running a connectivity speed test and download speed test to take o ... more

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