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ENVY cooling fan problem: pulsing and max. speed at "random"

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Please help,

 

My cooling fan seems to start blowing on max. speed or is going on and of every second while the laptop is only on for maybe 5 minutes.

 

Sometimes its allready after 5 minutes, sometimes after 2 hours. Sometimes the bottom of the laptop feels quite warm, sometimes just cold. sometimes it lasts a minute or 2 sometimes a lot longer (but due to frustration, i shut it down before it stops)

 

What I tried:

  • updating all HP software (bios also), with the HP support assistant
  • different bios configurations (fan allways on or not)
  • different energy settings (HP powermanegement settings And advanced congiguration: cooling passive/active, max.processor status 30% to 100%)
  • airpressure to clean up dust (no dust at all, laptop is "new")
  • no difference wether its on battery of powercord

History:

I bought my laptop june 2013, my fan started to make a ratling noise and it was repaired by HP after summer.

Got it back after 2 weeks(!) They deleted all and rebooted the laptop (no problem as I made a backup) but changed the root directory name to HP instead of my original one, so I wasn't able to replace the backup.

Had to reinstall everything and update all drivers myself.

 

I don't want to miss my laptop for another 2weeks +

 

Does anyone have any suggestions?

 

regards, Loran

 

HP ENVY 4 1010ed


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