my mac book 2009 shut automatically and noise pee pee many times

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Level 1

4 points

my mac book 2009 shut automatically and noise pee pee many times.

MacBook Pro, OS X Mountain Lion (10.8.5)

Posted on Nov 23, 2013 12:56 PM

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Answer 1

Level 9

52,749 points

Beeps on startup:

1 beep = no RAM installed

2 beeps = incompatible RAM types

3 beeps = no good banks

4 beeps = no good boot images.

5 beeps = processor is not usable

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