Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
The noise is coming from the fan. I had the same issue on mine, took it to the Apple Store, they replaced the fan, and the noise was gone.
 
No. Sorry. Though, do you notice this noise during charging, when it's not charging or when the battery (not charging) completely charged (or if your MBP is fairly old and the mAh is down considerably.)?
 
This is a thread about the new retina pros with a noise coming from the backlit keyboard.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.