My PC's fan sounds like a vacuum cleaner

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Thiele

Thiele

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Hi guys, This isn't really a problem in winter, but in summer when it's really warm, my PC literally sounds like a vacuum cleaner, especially when playing games and stuff. I use SppeedFan and in them cases the fan speed goes up and over 4500rpm. (It idles at about 2000) I'm wondering what a safe speed/temperature would be good, the other day i went down to about 2500 and the CPU temperature was hanging around 50-60C, but yesterday i only put it back to 3500 (about 85% on Speedfan) and went to have a shower, came back and looked at the graph and it was at 75C at one point.

The fan is so loud now that i cant even hear the TV, and it gives headaches after a while, i'm wondering if there's a permanent fix other than turning it down or replacing it. I'm pretty sure it was dusted out when we got a new motherboard about 3 months ago. The CPU is an Intel Pentium 4, 3ghz.

I took a video to show how loud it is (you may need to turn the speakers up a bit, and watch out for the crackling)



EDIT: It seems to top at about 3200rpm now and i have it at 80% (2600rpm) and the temperature's only 50C.
 
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Are you using the stock heatsink? It's possible that one of the plastic pushpins isn't clicked into place when you moved to a new motherboard three months ago. Make certain that all of the plastic pushpins are mostly flush with the surface of the board.
 
When changing the CPU and cooler to the new motherboard, did you replace the thermal paste between the cooler's heatsink and the CPU? If not, that might be a good suggestion as well.
 
hamstrings
Are you using the stock heatsink? It's possible that one of the plastic pushpins isn't clicked into place when you moved to a new motherboard three months ago. Make certain that all of the plastic pushpins are mostly flush with the surface of the board.
Click to expand...

NLxAROSA
When changing the CPU and cooler to the new motherboard, did you replace the thermal paste between the cooler's heatsink and the CPU? If not, that might be a good suggestion as well.
Click to expand...

I didn't replace it, it was done professionally, but i might look into it.
 
The problem with thermal paste is that you must apply exactly the right amount. Not enough and there is less heat-transfer from the CPU to the heatsink. Apply too much and the paste will actually work as an isolator, inhibiting heat-transfer. And if you take the cooler/sink off the CPU for any reason (like changing motherboard ;)), you must completely remove the old paste and replace it with new for the best cooling result.
 
I had the same problem in an older, slower PC that I had. I had several new cooling rigs set up to try. Different sized heat sink and fan and shroud combos. Armed with SpeedFan I started playing around.

I managed to fry the CPU fan socket so had to use another case fan socket on the motherboard to power the CPU fan. Then I managed to fry everything. Somehow.

I have a new PC now...

Advice: leave well enough alone.

:)
 

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