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Monday, December 3, 2012

PRAM Reset

The steps for resetting (follow at your own risk) are to restart the computer:

hold down the command + Option + P + R keys simultaneously Until there are two separate startup "chimes".   If you don't get the second chime, something went wrong and you may want to reboot and try again.

Read more at the above link.  

Proceed at your own risk.  These directions were for a 2 year old MBP with 8 GB ram and a 2.6 dual core processor on 10.7.5 OS.   Your situation may be different, so call apple care if you have any questions before doing anything on your computer.