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MacBook Pro occasionally makes strange beep sound (single loud beep)

813 Views 7 Replies Latest reply: Jan 27, 2013 10:01 AM by leroydouglas RSS
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Jan 20, 2013 10:23 PM

Hello All,

 

My mid-2009 MacBook Pro has been making strange noises lately.

 

While I'm using it, it will occasionally make a single, fairly loud, beep sound lasting just 1 second.

 

It seems to be coming from the right-hand side.

 

This has happened four times in the last 48 hours (twice in the last 30 minutes) and once last week.

 

Any idea what could be causing this and what it means?

 

The computer is otherwise working perfectly fine.

 

Thanks for any feedback.

MacBook Pro, Mac OS X (10.6.6), 15" anti-glare mid-2009

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