i just realized something frightening

Hodgins Family ehodgins at telusplanet.net
Tue Sep 20 19:44:58 UTC 2005

Good afternoon!

> this is just it, the fan speed is controlled completely by the os
> if you install an os that has no fan support at all, the fans work at full 
> speed, and now that's FRIGHTENING!
> it happens when you boot from the apple diagnostics disc - the fans spins 
> frighteningly fast

I don't know much about Apples, sorry. But I yanked this out of a forum at 

"09-10-2004, 05:18 PM
if the thermal sensor on the fan is screwed up, the fans will run at high 
speed. you need the Apple Service Diagnostics CD to fix this. I know of no 
other way.

If you live close to an Apple Store, go down and just tell them to run it. 
Don't worry about them protesting... if you are under warranty or AppleCare, 
just keep demanding they do it."

Is it possible that you have a "thermal sensor on the fan that is screwed 
up" and it is not an OS problem at all? In other words, if you reinstall the 
Mac OS does the fan issue go away?


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