I'm using Ubuntu 11.10 and an HP nc6400 laptop, and it doesn't recognize my fans, which means that my laptop keeps overheating, is there anyway to make it recognize them? Thanks in advance :)
Try to setup LM-sensors and fancontrol, then do the following:
There you can make some configuration and see whether the fans are detected correctly. However, this requires that the sensors kernel module is installed.
It is exacted below: