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HP dv1000 cooling fan does not turn on

Dear Sir/Madam,

I have a problem with HP dv1000 cooling fan. The Fan never turns on even if the laptop is hotter. How to troubleshoot the problem and fix it?

Thanks in advance for the help.


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  • 8 more comments 
  • Anonymous Jun 28, 2008

    I have the same problem with my dv 1000, I replaced the fan with a new one and the fan still does not run, any suggestions as to what is not happening to " tell " the fan to run. Thanks, Mike.

  • Arifhn Jul 18, 2008

    My HP dv1000 cooling fan does not work properly. When I start trhe system then only it run the fan for few seconds after that its goes off. I dont know whether it its problem or not.

  • Anonymous Sep 10, 2008

    My HP Pavillion cooling fan does not turns on even the if its hot and next thing you know my laptop shuts down?

  • Diego Zenizo
    Diego Zenizo Sep 19, 2008

    I have the same problem, but it seems that the problem gets worse with time...

    I know it's CPU load => maybe heath problem, could it be because the silicon paste on the heathsink or the heathsink itself lose contact with the CPU? Maybe the thermistors or whatever is detecting CPU temperature get the reading from the heathsink and not from the CPU itself?

    Is there a way of forcing the fan to be always on? Mine is not clogged neither is blocked, but it seems to engage randomly and for a very breef period of time.

    If times permit, I'm gonna dissamble the laptop and put fresh grease on the contact area between the CPU and the heath sink, but I've read that this oesn't help.

  • Anonymous Nov 11, 2008

    same deal. it was very dusty in there - but the blade does turn...

  • djn32661 Nov 27, 2008

    I have the same problem the fan comes on for about 3 or 4 seconds when I turn the machine on and then stops.

  • Anonymous Dec 02, 2008

    my product is dell inspiron 6400. when i went to diagnostics error message says 'detected fan rpm is 0'.

  • Anonymous Jan 18, 2009

    hey even i have the same ******* problem wth mine system too .its a dv 2723 and gets too high when i even use it for a hrs or mor e

  • AtRoRacing Jan 20, 2009

    I have installed a new fan and heatsink. I have voltage at the fan pin connector but the new fan still does not turn on. Is there a thermister in the fan? What do i need to do to make this fan turn on?

  • Anonymous May 01, 2009

    Same issue....



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It is either clogged with dust or not functioning.
Here is the repair manual . You can probably fix it your self.
It is on page 162.

Posted on Dec 29, 2007

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Tom19511's solution worked like a charm. I have a DV1000, about 3 years old, and it was overheating and then shutting off. I used the service manual on this site to take apart the computer, all the way to taking the heatsink and fan off the computer. There was a huge dustball inside the heatsink that I vacuumed out. Obviously, it was constricting the airflow and overheating the computer. Now it works fine. Taking apart the computer was not hard; the trickiest part is taking all the screws out and remembering where they go afterwards.

Posted on Feb 15, 2009

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If fan replace/cleaning doesn't work then do the following..
Replace hard-drive. Yes, do it and this time do not put the cover on it. Take 2 screws out from the plastic cover and screw hd without it. You have a damaged hd running.
This should resolve the problem. If not then you may have to change the battery as well.

(How in hell hp designed the hd compartment with no vents is unthinkable.)

Posted on May 11, 2010

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Posted on Jan 02, 2017

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HP Pavilion dv1000 PC Notebook My PC shuts down automatically

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Dust is a pretty good insulator and it will block your laptop's airflow when it build up over time.The easiest way clean it is to use a can of compressed air and it through the air flow event.

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Fans are typically a little noisey. If it's exceptionally loud or continues for a long time it may indicate the fan is no providing the proper cooling. Purchase a laptop cooling pad to place under the laptop while your useing it and make sure nothing is interfering with the airflow around the unit.

Jan 27, 2010 | HP Pavilion dv1000 Notebook

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Generally the fan should only run as much as it needs to in order to maintain an optimal temperature. the fan will be turning off as the laptop will be cool enough. if however, the laptop is very hot to touch you may have a faulty sensor telling the fan the laptop is cool when it isnt. this generally leads to the laptop crashing or shutting down though if thats not happening i recommend contacting HP for guidance.

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good news is its incredibly easy to fix. unfortunetly to get to it you will need to completely disassemble the computer to get to the heat sink fan.

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My laptop turns on and then it turns right off!!! HELP!

hi there
It seems your laptop computer is not cooled properly which might be beacuse of a broken cpu fan as you mentioned it makes loud noise.
The reason your laptop turns off by itself is because theres a circuitry built on the motherboard which power offs itself if the internal temperature raises, this is a safety feature to prevent your computer getting burnt.
Please avoid using your computer and take it to a shop where you can have it checked for cooling.
hope this answers your question

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