Hi Tionik ,
As I understood you well , your problem is a slow fan running.
Fan speed is regulated by motherboard , and usualy default value in BIOS is "fan allways on"
To keep your fan clean and temperature under control , use this document:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01657439&lc=en&dlc=en&cc=us&lang=en
To monitor your CPU temperature , you can use SpeedFan:
http://www.almico.com/speedfan.php
HP support page , how to use and configure HP CoolSense:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02638953&cc=sr&dlc=en&lc=en
Good luck , wish you all the best!!!
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