Currently Being ModeratedSep 25, 2012 11:01 AM (in response to voxx)
The computer's fans run at high speed although the computer is not experiencing heavy usage and is properly ventilated.
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
Keep the MBP connected to the ac outlet whenever possible.