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Byerdon67 Author

Level 1

8 points

Mac book pro

I am reinstalling osx lion, it was downloading then the screen went to a gray color with stripes and now it is beeping.

MacBook Pro

Posted on Apr 28, 2016 3:38 PM

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3 replies

Apr 28, 2016 3:41 PM in response to Byerdon67

First try holding the power button for 5 seconds to force it to shut down, then try to start up again normally.

How many beeps do you hear per interval?

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Byerdon67 Author

Level 1

8 points

Apr 28, 2016 3:45 PM in response to stevejobsfan0123

3 beeps

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Apr 28, 2016 3:47 PM in response to Byerdon67

That can be indicative of bad or failing RAM: About Mac computer startup tones - Apple Support.

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Mac book pro

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