Recently the fan in my desktop began to operate and hasnt stopped. I do not have any processes running, nor any processor intensive programs open. The fan is very loud and obnoxious and i was hoping to find out how i could get it to stop. Thanks.
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Re: Fan is continually running
Some are controlled by a thermostat. It could be the thermostat isn't working. It also depends on what the temperature of the room is that you have it in. If the room doesn't have air conditioning, chances are it needs the fan.
One way to try to cut the noise is try to clean the dust out of the fans and power supply by taking and air compressor or using some canned air. You should be very care when using the air compressor to make sure that you don't knock off any components.
Insect your fans and power supply. There are less noiser ones you can find at a computer store for a reasonable price. It could be the bearings are bad on a fan as well. If you replace it, the noise will go away.
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I have a toshiba and that is exactly what the fan is doing to cool off the processor. That is because when you boot XP the fan stops after 30 seconds is simply it has no difficult operation on it. But when you choose to switch on to Ubuntu your fan doesn't stop is because ubuntu requires more air since it has so much effort on its operation. Mind you when you installed ubuntu, it requires larger video graphics memory than the XP OS. Try to execute more websites on different tabs on your XP and you will find your fan will work overtime because you put much required operation for the processor. But to help the fan cools off the internal devices, place cooling pad beneath the notebook so that your PC will be safe.
Usually, there are two fans on a desktop PC. Some computer have three.
One cools down the power supply and it may be quite noisy after a while because the dust in the fan. The second one is to cool down the processor and usually it doesn't stops, it only changes its speed according the heat.
If there is a third one, it will stop when the temperature is cool enough for the system.
Only on notebooks the processor fan stops completely after a while to save some energy.
If your fan is not turning at all then it is probably dead, the bearings are likely clogged with dust and such. The PC is shutting off because of heat buildup on the processor chip. You need to do an Ebay search for your model and order a fan right away. Continued running of your sysem without a fan will kill the processor and motherboard. You should be able to get a replacement fan for your computer for less than $15 including shipping. Your local computer store may have one to fit your system but they may charge more for it. To change the fan is very easy, the left side of the case will come off your system, right under the power supply is the processor and heatsink and the fan. Disconnect the old fan and reconnect the new unit.
More likely one of the fans, but could be the hard drive. Open the case and listen. Fan on power supply, fan on processor, or hard drive are the most likely sources of the noise. Processor fans and power supplies are both cheap and easy to replace. Hard drive is a bit more expensive and you must back it up (which you already regularly do, right?) if you want to keep your data.
As far as the fan issue goes, especially if it's a laptop, blow out the fan exhaust area. Use compressed air to blow out the ventilation area in the opposite direction that air flows through it normally. You'll be amazed how much dust comes out. You can try one of those crappy over-priced ridiculously low pressure canned air deals but to really get it clean, find someone with an air compressor. A mechanic friend or someone in construction that uses an air nailer maybe? If it's a desktop, try blowing out the processor heat sink preferably with the fan removed. Be careful, start at lower pressure and slowly work your way up. Also, if you take the fan off of the heat sink, be careful not to knock the heat sink off of the processor or you will need to clean both surfaces (heat sink and processor), reapply a thin layer of heat sink grease, and reinstall the heat sink and fan assembly. I'll leave the second half of you question open incase both issues are one-in-the-same.