HT1547: Power On Self-Test Beep Definition - Part 2
Learn about Power On Self-Test Beep Definition - Part 2
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Helpful answers
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Jul 24, 2013 2:56 PM in response to cmccann29by BGreg,Constant beeps says there is a memory-related issue. Try reversing your existing memory cards, and if that doesn't work, try booting with one in each socket. If that doesn't work find someone with known working memory to substitute it, or take your system to an Apple store or Apple Authorized Service Provider.
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Jul 24, 2013 2:56 PM in response to cmccann29by Kappy,Typically, this warns of a memory problem - bad module or defective slot.
Intel-based Mac Power On Self Test RAM error beeps
MacBook Air- Computer starts up with 9 beeps (won't boot into OS X)