My laptop does not stop spinning its fans after i installed a hdd from a desktop. Here is what happened.

  1. I installed windows 7 on the laptop.2
  2. I moved laptop hdd to a desktop. Desktop worked without a problem.
  3. I then re-moved hdd to the laptop.
  4. laptop fans are spinning non-stop now.

I resolved this issue a year ago by installing chipset drivers. I tried that, but it does not work now.

any ideas?

  • why did you move your laptop HDD to the desktop? – Adam Aug 10 '10 at 12:56
  • You either broke the HDD or didn't reconnect it the right way, did you do something else with the HDD, your laptop or your OS besides moving it? – Tamara Wijsman Aug 10 '10 at 13:28
  • @A. Donahue // sorry for the confusion. Actually, it wa sdd. That is why i put it the laptop. – user45326 Aug 11 '10 at 2:12
  • @TomWij // if I broke the hdd, my laptop would not even boot. They work just fine. – user45326 Aug 11 '10 at 2:12
  • It could boot perfectly and still have an impact on your laptop, as it's the only thing you have changed it made me think that... Another try: Have you checked the temperatures of your CPU (CoreTemp), your GPU (RivaTuner) and HDD (SpeedFan)? – Tamara Wijsman Aug 11 '10 at 11:06

In a year a lot of dust can build up on the filter of the fan.

Changing the harddrive might have led to an increase in the internal temperature crossing a threshold, causing the fan to stay on.

Or as you say, it could be driver related. I had that problem with ubuntu until I installed proper drivers for my graphics card.

  • // no...when I switch back to original laptop hdd, it works just fine. – user45326 Aug 11 '10 at 2:11
  • Is the new harddisk physically bigger, does it use more power, does it block the flow of air? – bryan Aug 11 '10 at 4:08
  • new hdd is a ssd. Not bigger, consume less power – user45326 Aug 11 '10 at 5:38
  • I'm afraid it's back to the drivers then. – bryan Aug 11 '10 at 15:10

I had the same Problem with my HP Compaq nx6325 about one year ago. The solution that worked for me was cleaning the dust out, like bryan said. There was a real big dust bunny occupying space around the cpu cooling devices. After cleaning it, the Fan was nicely silent and only was running if needed.

  • // they are clean already. – user45326 Aug 11 '10 at 2:11

I had a laptop where sometimes going into windows, that happened. Not dust. Just some windows setting getting changed.

I ran a program called speedfan, and set the speed from 100% to 0.

This actually had the effect that only when the CPU got over a certain temp, did it go on. Much better.

I Monitored temp too with speedfan, to make sure it was OK. It was.

You could also try fiddling with power options in control panel.. or something like that. I think the toshiba laptop I had, had options there. But I remember the speedfan solutioh worked for me and should work on any laptop.

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