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Cooling fan constantly running at high speed

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Re: cooling fan - Computer System Cooling

U need more fans or thermal paste on cpu

Posted on Jan 26, 2008

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Make sure Windows Update is turned on. For Windows 7, Vista, and Windows 8 there are Updates that resolve some hardware glitches such as the one you are experiencing.

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Laptop cooling fan running at very high speed

Try loading and using a program called speedfan to control your fan speed if that is appropriate. This can also show you your CPU temperature (if you can figure it out). Core Temp can show you temperature of modern CPUs, amongst others.
Otherwise try cleaning you CPU of dust - search the internet as to how to this safely.

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One of the two fans is running slower ,is this normal ??.(intake fan)

Yes that is fine. Your motherboard controls the speed of fans connected to its case, cpu pinouts. Fans have ratings as well and default RPM specs that determine their speed.
Not to worry as long as the fans are turning you should be ok. If you are uneasy, fans are really cheap to buy. (9-$18) is all you need to pay for one.
Regards, Chris

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Need to know what the four wires are for, red black yellow and blue, I am wiring it to and ancient apple, no choice. just need to know how to set it up at hi speed constant operation. I am using a rf-120...

Usually the red is +12 volts DC, the black is ground, the yellow is the tach sensor, and the blue is speed control. The fan will run at full speed off the red and black. The yellow and blue are of no use unless the motherboard is designed to use them.

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I am using a Dell Dimension C521 Desktop and the other day I noticed the fan started constantly entering a cycle where it would kick into high speed and then slow down again every 2 minutes. After trying...

The fans change speed depending on the temperature the sensors detect.
Give your machine a thourough cleaning.
The CPU sensor is usually located under the CPU if it's loaded with dust it may think it's hotter then need be and kicks the fan up.

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1 Answer

In my hp 61020 mt destop am facing the fan speed and noise is too high....any solution to this....

It may be just that the fan needs to be replaced.

More likely is that the computer cpu is overheating and the motherboard is ramping up the cpu fan speed to try to cool it, hence the high fan speed and consequent noise. This usually happens when the heat sink is clogged with a lot of dust. It could just be that the fan heat sink came loose.

It may be that it's just a noisy fan, in which case replace it with one that doesn't make as much noise.

Nov 17, 2010 | HP Computer System Cooling

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Cpu fan running at high rpms

Are you sure there is enough thermal jel between the new cpu and the fan? If not, fan could not get enough heat and constantly tries harder. That thermal jel creates a better environment for the heat conduction so that fan could do less job and take out more heat at the same time. Hope this will help.

Apr 14, 2009 | Computer System Cooling

1 Answer

High speed fan

the thermo switch determine how high and how long the fan need to run to obtain the proper temperature, it will be a consern if the fan doesn't run.
as far as the upgrade of your machine. do you have enough RAM (2GB minimum) and how is the CPU?(1.6GHz or better) can the CPU handle the operating system. Since you didn't mention that, and by reading what you say, I believe the machine is not able to handle the Vista, that is why the fan is running at high speed and non-stop. The CPU is getting hot, and the power supply is pulling lots power.
Vista loading takes approximately 1-2 minutes, dependent on how many applications you have installed and what you have on the desktop.
roll back to XP from Vista is no possible, the only way is to reformat and reinstall XP.

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Cooling fan

thermaltake fans arfe very good look online for them

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