Why does my MacBook Pro keep making a two-tone beep once a minute.

The heading says it all:
My MacBook Pro:
Model Name:
MacBook Pro
Model Identifier:
MacBookPro8,2
Processor Name:
Intel Core i7
Processor Speed:
2.4 GHz
Number of Processors:
1
Total Number of Cores:
4
L2 Cache (per Core):
256 KB
L3 Cache:
6 MB
Memory:
4 GB
For the last couple of days, every minute, my Mac has been making a two-tone beep. I have absolutely no idea why. There are no jumping icons to tell me that a program wants my attention and I have tried closing all my applications, the problem does not go away.
I live in Nepal and there are no Genius bars to go to, what do I do?
Thanks,
Keith.

Backing up should not be a problem. Has your computer had a knock recently? I'm just wondering if a RAM module may be slightly unseated. You can google YouTube videos on resetting it, you also may need to to search these forums to reset PRAM and SMC.
Good luck
Pete

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Why does my MacBook Pro keep making a two-tone beep once a minute.

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