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my mac doesn't start up

hi ,

my mac doesn't start up and there is a peep sound coming out.

i found a video on youtube shows the same issue (https://www.youtube.com/watch?v=kUvUBUDBZr4)


cheers

MacBook Pro, Mac OS X (10.7.4)

Posted on Mar 25, 2015 6:09 AM

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Question marked as Best reply

Posted on Mar 28, 2015 6:20 AM

Hello ayedh,


Welcome to the Apple Support Communities!


I understand that when you start up your Mac, the computer doesn’t turn on and you hear a beep every five seconds. This can indicated that there is no RAM installed in your computer as described in the article below.


Mac computers: About startup tones - Apple Support


If you have installed different RAM on your computer than what it shipped with, I would suggest removing that RAM and testing with the original RAM.


MacBook Pro: How to remove or install memory - Apple Support


Have a great day,

Joe

1 reply
Question marked as Best reply

Mar 28, 2015 6:20 AM in response to ayedh

Hello ayedh,


Welcome to the Apple Support Communities!


I understand that when you start up your Mac, the computer doesn’t turn on and you hear a beep every five seconds. This can indicated that there is no RAM installed in your computer as described in the article below.


Mac computers: About startup tones - Apple Support


If you have installed different RAM on your computer than what it shipped with, I would suggest removing that RAM and testing with the original RAM.


MacBook Pro: How to remove or install memory - Apple Support


Have a great day,

Joe

my mac doesn't start up

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