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Helpful answers
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Apr 28, 2016 3:41 PM in response to Byerdon67by stevejobsfan0123,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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Apr 28, 2016 3:47 PM in response to Byerdon67by stevejobsfan0123,That can be indicative of bad or failing RAM: About Mac computer startup tones - Apple Support.