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Old Feb 8, 2008, 08:34 AM   #1
macrumors 6502
Join Date: Mar 2005
Location: UK, South Coast
Macbook fan wont turn off !!

Started today ... fan constantly on, no open apps and activity monitor doesn't show anything using any CPU. The air coming out is warm though, so something is making it work.

Any ideas?
13" rMBP : 32Gb iPhone5S : 64Gb iPad Air : 2 x AppleTV3 : AEBS : 3 x Airport Express : AEBS
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Old Feb 8, 2008, 08:37 AM   #2
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Join Date: Feb 2006
Possibly alot of dust inside, what computer do you have?
MacBook Pro Late 2008 - 2.53Ghz/4GB/320GB 7200rpm
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Old Feb 8, 2008, 08:40 AM   #3
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Location: The Kop
The fan is always on.

Download iStat Pro to see how fast it is going, it idles at 1800rpm. Also check (in activity monitor in utilities) what processes are running and how much cpu they are taking up, you may have a locked application/process that is causing your computer to heat up.
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Old Feb 8, 2008, 09:06 AM   #4
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You need to see "All Processes" in activity monitor.
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