Fan will not shut off and notebook runs hot

first check your ventilation port on the side or back of your laptop. These can become covered in dust and make your laptop very hot. After you've done that, if it's still overheating, try and find a free cpu fan diagnostic tool and make sure the fan is even running or if it's running at the proper speeds. If it's not running, check your drivers. Go to the hp website, then support and downlads and lookup your model laptop. It's on the bottom of your laptop. Download the cpu fan driver if available and reinstall it. If it's still not working after all of that, your fan is shot and will need to be replaced.

No doubt it is the problem of nVidia chipset, contact service engineer to solve this issue... All HP laptops with dv series has this problem,

You don't have to reduce the FAN speed, because the Fan power works in PWM (Pulse Width Modulation). I.E if the CPU processing is increasing due to high process load, the fan speed changes accordingly to maintain a CPU normal temperature.

HI there. We'll I hate being the barer of bad news but the HP DV series of laptops have been having a lot of issues with losing video, continually restarting, or just plain do nothing. Hopefully your laptop is still under warranty or someone else knows of a quick fix. I've had to send out the motherboards for 2 of these to get fixed. One of them ended up being the video card on the board. And the other ended up becoming a replacement motherboard.

Here is a link to what other people are having to deal with on their Hp's.
http://www.fixya.com/tags/dv6700_fan

The easiest way to clean it is to use a can of compressed air and blow it through the airflow vents.
Check out this link for other solution.
http://bootmylaptop.com/laptop-shuts-off-after-a-few-minutes/

This is the intensity of heat the processor and the inability of the cooling fan can cause overheating in this failure in part card that beats the screen and my advice to you, but you run the machine a lot that can solve this problem

Hi,

Are you having any problems with the laptop overheating or shutting down unexpectedly?

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.

it is most lekely functioning properly if you arent having any other adverse effects

Thanks

I have rebuilt so many of these laptops, I dream about them. HP did a lousy job with this design...Get the latest BIOS update for it that you can first....supposedly the new BIOS has an advanced algorithym for the fan running to help with cooling....I haven't seen any real changes....What I do is remove the heatsink and clean the contacts between the heatsink, processor and video card. I then put a very thin layer of thermal paste on all surfaces, then between those, I install small squares of 100% pure copper sheet about 1/2 inch square in size. The copper plate has been the trick for me along with a thin layer of paste. Do not put the paste on thick, that actually will reduce the cooling capacity of the paste.

Below is the repair and service manual for your laptop.

http://h10032.www1.hp.com/ctg/Manual/c01035677.pdf

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If you have'nt done any upgrades like windows or memory

I think you just need a new fan
possibly power supply
if you take it to a small pc shop they will test power and fan for you usually on the spot at little or no cost
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