model of Mac you have.
OS X is not a model, it's an Operating System.
you have a Mac Mini/iMac/MacPro/PowerMac/iBook/MacBook/MacBook Pro/MacBook Air/Not listed here (Delete as applicable)
What have you got
P
Does anyone know how to help me turn off the very loud fan sound coming from my 2009 Mac OS X?
Thanks!

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic