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MacBook Fan Running at High Speed

Over the last few months my MacBook has developed the “habit” of the fan periodically running at high speed. I went online to see if I could get any help for the problem there and it seems to be a common problem for a number of people. On one forum I found the advice to “reset the System Management Controller” which, another person on the forum said worked for them. Mine looks as though I have a removable battery but I’ve never taken it out before so I have several questions:

How do I know if I have a battery that I can remove myself?Is there any trick to removing it? (It looks like a press and slide kind of deal, like the back of a cell phone)Is “resetting the System Management Controller” the solution to my fan problem?If not, can you tell me what would be?
Jennifer

The System Management Controller, is a componant that manages functions like, sleep, wake from sleep, thermal controls, remembers the time, as well as volume settings. In some cases, the SMC may become corrupted and begin to exhibit unusual behavior. On the bottom of your computer, there is a coin-screw that can be turned 90 degrees. This releases the battery. It shouldn’t require any real amount of force to remove. Once the battery is out, you can perform the SMC reset process...Read More»