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My Mac will not turn on and only makes three loud beeps

My Mac will not turn on and only makes three loud beeping noises with a black screen. The only way to stop the noises is to unplug it completely. After waiting and re-plugging it in and hitting the power button the same thing happens with the beeping. I'm very frustrated the thing is only 6 months old.

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Its ok, I know what you are experiencing so you should be able to get this issue resolved.

What 3 beeps indicate in the beep error code for Mac desktops, is a RAM error, possible bad RAM module on your Mac's logic board.

If you know how to open your Mac and know how to unseat your RAM cards safely, you can perform a process of elimination by removing all but one RAM module and starting your Mac up to see if it will boot to your desktop.

However, if that is too tedious or you are not tech saavy, you can simply take your Mac into your local Apple retail store Genius bar or local Apple-authorized service center and have them use a RAM/Memory tester to check the integrity of your RAM to determine if the RAM needs to be replaced or if it is just poorly seated and simply needs to be re -adjusted in its memory bank(s).

This is the best recommendation for actual hardware issues like this.

Regards,

-Mactechtrainer



Posted on Jan 30, 2010

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