Internal fan will not stop

computer got unplugged one day and when attempted to re-boot the power button was jammed. Let sit for a few hours and tried again to turn on. With some wiggling we got the computer to turn on but the internal fan is running on high and will not quit. After a few hours of the fan running (so we would know that the computer was not hot) we shut it down thinking maybe re-booting it would help. We left the office with the computer shut off and the next morning we came in a started it up and the fan is still running on high. We know the computer is not hot and since the noise is very annoying we would love to know how to make it stop. Any suggestions would be lovely.

Not exactly sure why this is in the Remote Desktop community, but try this:
Unplug the computer.
Wait a few seconds.
Press the power button in for about 5 seconds then release it.
Wait a few seconds.
Plug the computer back in and then start it up
I think they call  this resetting the SMC.

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