12V DC fan making loud noises - removed it.

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JuX

JuX

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Dec 1, 2013
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Okay, so I have a Corsair vx450 PSU, working completely fine.
When I got my computer 3,5 years ago, it had that 12V DC Green Power (all that's written on the etiquette label in the middle of the fan). But the fan is making really irritating noises and not cooling my case AT ALL. The air that comes out from it has the room's temperature.
So I un-wired it today, because it makes no sense to me for it to be working and not really doing anything. Finally, silence.
My question is, am I mistaken, what is the purpose of those DC fans, and does DC stand for direct current? -.-
 
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Nefos

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Nov 8, 2013
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Where was this fan? in your PSU?
Anyway, the fan was cooling, although it just moves the air around. The reason why it works well, is that you components get hot ( at load it can go up around 60 celsius degree, there is a graphics card that can go up to 95!) and compared to them, the room temperature air is cold. This works well, do not worry about it, the computer is desinged that way. there are some special coolers that can bring the temperature of a component below zero, but they considered extreme cooling solution, they are not designed to use them on a daily basis, and they are used only in extreme situation ( for example if they are overclocking a cpu above 5-6ghz or so). download a program called core temp, it will show you how hot the processor get, if the temperature on load gets around 60 celsius, then you should install that fan back
 
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JuX

JuX

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Dec 1, 2013
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The fan is outside the PSU, let's say on the inner side of the power and restart button, on the iron frame of my case. I guess it's just an ordinary fan that wasn't really doing anything, just using up my power and cooling a frame that's not even hot a bit.
 
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Nefos

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Nov 8, 2013
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probably it did, it made a wind through the case, probably it got the cool air from the front, pumped it into the case, and the PSU fan or the fan at the rear of the case blows the hot air out. this is a basic cooling solution that is very effective
although check with the programs that how hot your processor gets when it is under load, for example gaming. if its around 50 c then its okay, if it starts with 60 then I would reinstall that fan
 
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JuX

JuX

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Dec 1, 2013
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Well, the air what was going out from it was barely noticeable.
I have an aftermarket cooler on my CPU keeping the temperatures under 55°C on ~10 min stress tests, so that's good. Motherboard temperatures are under 46°C and the GPU's under 65°C when I'm playing games.
 
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