loud fan pavilion ze2000

[Lars Engels]

On Fri, Dec 20, 2013 at 10:00:35AM -0500, ito wrote:
> Hi,
> 
> I posted a question to the freebsd forums (under mobile computing) in
> which I was seeking help with a old laptop (hp pavilion ze2000) because
> of fan noise.  The problem is not really that the fan is too loud,
> although that is part of it, it is that it cycles frequently (about
> every 21 sec, at average use).  I seems to me now that maybe here would
> be more appropriate.
> I am having trouble finding information about the acpi functions in
> particular.  So I thought maybe I could get help here.  For instance,
> according to the information below, is the passive cooling set to start
> at 85.0C (Celsius) which would be 185 Fahrenheit?  Is this very hot to
> start to cool down passively?  Why is active cooling set to -1?  Where
> do I find the definitions of these things... like the flags?
> 

If the Notebook is older, a first measure is to clean the heatsink and
fan.
After I did this the last time my Thinkpad is ~ 10 °C cooler than
before.
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