HP Pavillion note book ZD7140US Need cooling fans for Heat Sink
Hello can you tell me where I can just buy the Fans that are on the heat sink. The heat sink part # is 344872-001.. All I need is the fans and I cant find anywhere that just sells the fan.. They want u to buy the whole things you should be able to just get the fans somewhere.. Thanks for any help you may give me.. Ken
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When the CPU overheats then it will shutdown (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 this 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 withdust the remove the dust and make sure the vents are clear and dust free. Use acan of compressed air to do this.
Processor fans are setup to nearly always blow air inward onto the heat sink that sits on top of the processor. The heat sink pulls heat off of the processor and the processor fan blows air onto the heat sink to cool the heat sink so that it can pull more heat off the processor. However, read the following link to see that it probably doesn't matter that much which way you put it: http://www.overclock.net/faqs/14695-opinion-****-vs-blow-way-do.html
I would definitely set it up with the processor fan blowing inward onto the CPU. If you're experiencing overheating you can try switching it to see if that helps. Use a program such as SpeedFan to monitor your computer's temperatures.
Good luck, please post back to this solution if you have any difficulties, and thanks for using FixYa.
These fans fail on an alarmingly regular basis. In the past, if I can't find a fan, I simply remove the fan and leave the housing attached to the chip. It acts like a heat sink. Sometimes I think that the fans are just there to look neat!
You "may" be able to find a small heat sink that will do the job without a fan. That is another thing I have done. By searching your local supplier for just a heat sink, you might have better luck.
heatsinks are custom for laptops. You can replace it but only for the exact same heatsink. If the fans are spinning up alot and its loud I would take compressed air (canned or not doesn't mater) spray it all in the vents of the notebook to try to loosen dust thats stuck in there. Then **** it out with a vacuum cleaner.
Hi, It is best to change the fan and heatsink. Make sure you clean the processor and apply a very thin coat of thermal compound (arctic silver) to the heat sink if it is not supplied. Newegg.com lists may cooling fans & heatsinks based on your socket configuration
Whether this is a laptop or desktop you didn't say but it only matters in how hard the repair is. If desktop you can replace the CPU fan. They are usually clipped or screwed ontop of the CPU. Usually the heat sink will come off with it. You'll need to buy an exact replacement and a little tube of heat sick compound. Once you have a new one reverse your steps except first put some heat sink compound on top of the CPU. If this is a laptop then take it to a reputable repair person. Replacing laptop fans requires stripping down the machine.