Replaced the cpu cooling fan assembly and computer starts powering, no video, then shuts down after 2 seconds. What could be the issue at this point? Was brought in for overheating, power issue like this.
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Re: Pavilion DV 9005 issue
Please Reviewe all connections care fully. Its Very sensitive issue. If you do not find any open connection. Once again fit the fan with all connections. No display is nothing with Display do not touch that area. See only cooling Fan.
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When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail. A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust. Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.
When the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail. A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust. Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a small brush and can of compressed airto do this.
Your pc CPU FAN is not working, you need open it and clean fan,, and under fan, on CPU there is termo cream, don't frgot about it, you need clean it and put new termocream. it is nessasary for cool CPU, that Cpu can not be warm.
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.
If your laptop won't boot up again until it has cooled down, then the problem is a faulty fan and or dust clogging the fan and heatsink fins. The CPU overheats and shuts down (thermal overload) and if this problem is not then eventually the CPU will fail.
Check the fan and if it does not spin freely then it needs replacing.
If the fan and heatsink assembly is clogged with dust, then remove the dust.
A laptop locks up or shuts down when it get very hot. The CPU shuts down (thermal overload) when it overheats and will not boot up until it has cooled down. If this problem is not fixed, eventually the CPU will fail.
This problem could be caused be a faulty CPU fan and/or the CPU and heat sink assemble is clogged with dust.
Check the CPU fan to see if the fan blade spins freely (it may have a seized bearing), if not replace the fan. If the fan and heatsink is clogged with dust, clean and remove the dust.
If additional cooling is required and there are ventilation grills on the bottom of the laptop, then purchase a laptop cooling pad. Place the laptop on the cooling pad, these pads have fans that direct air into the grills at the bottom of the laptop.
You could have a faulty fan and/or heatsink/fan assembly clogged with dust.
When a laptop shuts down and will bot boot up again until it has cooled down, then this is a CPU thermal shutdown and if not corrected then eventually the CPU will fail completely.
Check the fan to see if it spins freely and turns on, if not replace the fan. Also remove the dust off the fan and heat-sink assembly.
If you are still having problems you can purchase a fan assisted cooling pad. Place the laptop on the cooling pad and it provides addition fan assisted air to the bottom of the laptop vents.
Sounds like the CPU is overheating. Try cleaning with canned air. On the bottem of the laptop you can see a fan with laptop off and battery removed use a whole can of air to clean it. wait 5 min. replace battery and try normal start up. listen for the fan to come on if it doesn't the fan is bad and needs to be replaced
Hope this helps
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yes you are right its a matter of heating and cooling. i have encountered so many times this kind of Hp models from dv2000, and dv6000 etc. first thing you do is to apply hot air in VGA chip until the pin balls melted and video ram. this is a very helpul!