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Windows 7: Fan running very loud at idle, temperature and cpu usage normal.


18 Aug 2012   #1

Windows 7 Home Premium 64bit
 
 
Fan running very loud at idle, temperature and cpu usage normal.

I posted what i could about my system spec in the account place using the info program.

My issue is that my fan runs very loudly and does not turn off during idle/slow periods. I downloaded the speedfan program and this is how it looks currently. http://i.imgur.com/Cmjal.png
I don't think the difference between idle and running Chrome + Steam in the background would be enough to matter, so i'm not in a completely idle mode now. This is essentially my constant setup.

I'm rather inept when it comes to these things so i'm really not sure if this is even a problem or not. I know that cpu fans are always running, but i can't imagine 2800-2900 rpm being an idle speed. My temperatures are stable(as far as i know) and they only get to about 45% during heavier cpu usage. The noise on the other hand is not so pleasant, which is the biggest indicator to me that something is wrong.

I cleaned out the dust in the system, but i think i may have missed the heatsink or whatever itself.
I have also heard that doing a disk cleanup and defragmentation can solve the issue of a fan running constantly, however, doing that did not seem to help.

Any assistance would be most appreciated.

My System SpecsSystem Spec
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18 Aug 2012   #2

Windows 7 Home Premium 64-bit
 
 

Perform a thorough de-dusting of all system components, including the heatsink (perhaps the most important one). Make sure that you always hold the can upright; never tilt it or turn it upside down as it will spray out liquid. I would also check all of the physical connections to the fans inside the system. Unplug them, and plug them back in.

If you have never performed a system cleanup or defrag, I would certainly do it, but I don't think that will solve the problem. You would have to literally have years of junk and clutter piled up before your processor put out that much heat. Do a complete and thorough de-dusting and post back.
My System SpecsSystem Spec
18 Aug 2012   #3

Windows 7 Home Premium 64bit
 
 

I see. I'll give that a try, but due to some circumstances i won't be able to until morning. Thanks, and any other options people might suggest would be well appreciated.

And i forgot to ask, but is 2800 rpm really an idle fan speed for my system? Google hasn't been much help when i tried searching for it. It would be a load off my mind knowing that the speed is fine and the only problem is truly noisiness.
My System SpecsSystem Spec
.


19 Aug 2012   #4

Windows 7 Home Premium 64-bit
 
 

2800RPM is not a normal speed...think about it. That's two thousand, eight hundred rotations per minute. That's fast, very fast. I would shut down your computer and keep it off. The fan speed is dictated by the temperature of the case. Find all of the temperature gauges (attached to the motherboard) and make sure they're in working order (connected properly, unbroken wires, no cracks, not touching any other component, etc).

I wanted to ask, specifically which fan is it? Is it just the CPU fan, or is it a case fan too?
My System SpecsSystem Spec
19 Aug 2012   #5

Windows 7 Home Premium 64bit
 
 

Yea, that's what i thought.

I'm pretty sure it's the cpu fan. I'm not home right now so i don't know for sure. If it were the case fan what would i need to do?
My System SpecsSystem Spec
20 Aug 2012   #6

Desk1 8 Pro / Desk2 7 Home Prem / Laptop 8.1 Pro all 64bit
 
 

Hiyya and welcome Senpai how old is the fan?

When doing cooler clean ups I also apply some material one uses for car vinyl coverings to a) make the blades more "slippery" (better airflow) and b) prevent the build up of dust by reducing the static caused by the airflow.

Now even after the clean up have you checked the state of the thermal compound my friend as if that is dried out or not making good contact then it is keeping the CPU at or near it's highest operating temp before thermal cutout therefore keeping the fan running flat chat.

I just had a problem with a board I was testing too and found the cooler wasn't up to it so changed it for a slightly heavier duty one and bingo! alls well. Plus it could just be the fan needs replacing of course.

Personally I don't think getting rid of temp files and defragging will make any difference to mention.

I meant to add too that when doing a service I routinely relube the fans everywhere CPU, case, and even the PSU one/s
My System SpecsSystem Spec
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 Fan running very loud at idle, temperature and cpu usage normal.




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