Good morning Jon,

It may also pay to check that all the air vents are clear.  I periodically go 
them with the vacuum cleaner to be sure.


Regards,

Adrian
adrianske...@me.com

On 30/03/2011, at 7:32 PM, John Daniels wrote:

> 
> Hi Jon
> Someone in WAMUG gave me the answer to the loud fan problem a while ago and 
> it works.  As soon as you press the start button, if the fan is loud switch 
> off at the power point and then start again. I don't know why it works. Try 
> it.
> Cheers
> John
> On 30/03/2011, at 11:56 AM, Jon Davison wrote:
> 
>> 
>> Hi there. Our office has a new 27" iMac. All fine except a fairly loud fan 
>> that comes on pretty much at any time. The fan stays on but does not 
>> increase in volume. Nor does it heat up or freeze.
>> Any idea what  this may be? is there a reset for this?
>> 
>> 2.66GHz / 4Gb RAM / OSX 10.6.7 / 1Tb
>> 
>> Kind regards
>> Jon
>> 
>> 
>> 
>> 
>> Eye in the Sky Productions
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>> 
>> 
>> 
>> 
>> 
>> 
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