Hi all
 
Often my laptop overheats, although the cpu is not overloaded (according to
the 'top' monitor)

I guess the only other component that can get hot is the spinning hard disk.
I have tried the command 
         hdparm -S 1 /dev/sda    
turning off the disk after 5 seconds of inactivity, but nothing has changed.
I guess that it could be due to the system often writing or reading the
disk, although the led monitoring the disk access does not light up.

My questions: 
  how do i force the system not to write to disk so often, so that my disk 
   do not start spinning every minutes? 
  
  Are the disk and the cpu  the only possible causes of heating?

  What facilities to use to tell whether the  disk is spinning?

thank you for your help

--
Pol
  


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