eMachines fan is incredibly loud

Emachines Et1810-01 desktop
February 22, 2010 at 08:26:00
Specs: Windows XP
Ever since I purchased my computer two years ago, it has always had a very loud fan. It isn't rattling, it's more a "woooooooo" sound constantly. Should I buy a bigger fan for it?

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February 22, 2010 at 08:50:48
Which fan is it? Case cooling fan? CPU cooling fan? Power supply fan?

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February 22, 2010 at 09:08:52
I've only seen one inside the pc. It's in a black casing and is against the inside of the back of the pc, the vents are right above where the monitor plugs in.

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February 22, 2010 at 11:18:57
That would be the case fan. Are you sure that it's the only fan in the machine? There should also be a CPU fan (fan mounted on top of a series of metal fins attached to the motherboard--the "heatsink") and a power supply fan (near the power cord).

Unless this is a small form factor system in which a single case-mounted fan cools everything? In that case, the one fan would have to be loud to prevent the box from overheating.

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Related Solutions

February 22, 2010 at 20:08:41
I've noticed (especially with emachines) the fan will spin at maximum speed until the bios takes over. But that's only if it's plugged into the motherboard. If that's the case with yours check in cmos/bios setup and see if there's any control there.

If it's powered by one of the molex drive connectors there's no speed control.

But if you find you can't do anything to silence it, I doubt you need a bigger fan; you probably just need a different one. I doubt emachine is putting top-of-the-line fans in those things.

You're not really green until you're soylent green.

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February 22, 2010 at 20:47:19
Sometimes where the case fan mounts at the back of the el-cheapo cases have holes or openings that are too restrictive - the holes or openings are too small a total area for the fan to be able to blow through there efficiently - the fan makes more noise than it normally would because of that. The only cure for that is to make the holes or openings larger, and that's job that can produce small metal bits and is better done when the motherboard has been removed. Or you could cut out the metal and make one large hole, but I found that requires you install at least a wire grille, otherwise the fan is noisy in that situation too
Also check for lint and dust that has accumulated that may be clogging the holes or openings between the fan and the back of the case.

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