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Thread: Wacky Fans

  1. #1
    read my comic already! (sig) xRyokenx's Avatar
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    Default Wacky Fans

    Does anyone know what could cause computer fans to frequently raise and lower their speed? It keeps going "WHIIRRRRrrrrrrrrrrrrrRRRRRRRrrrrrrrrrrrRRRRRrrrrr r" all day long. I've tried messing with the settings in RivaTuner but those don't seem to have anything to do with it.

  2. #2
    Stupidity feeds my children blueonblack's Avatar
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    Default Re: Wacky Fans

    Are you sure it's actually changing its speed? That kind of noise could be bearing-related also, even at a constant speed.
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  3. #3
    read my comic already! (sig) xRyokenx's Avatar
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    Default Re: Wacky Fans

    It sounds like it is because it does it on and off. It'll do the whirring crap for about a half hour and then calm down for a while. I'm thinking of getting some canned air to spray the whole case out with as it's rather dusty. ><

  4. #4
    . Spawn-Inc's Avatar
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    Default Re: Wacky Fans

    sounds like a thermal issue, getting hot then cooling off then getting hot, etc.

    try the canned air like you said.
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  5. #5
    A.B. normal msmrx57's Avatar
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    Default Re: Wacky Fans

    How old are the fans? Like BoB said it could be a bearing/bushing issue. Our humidifier had the fan crap out this winter and that kind of sounds like what it was doing before it died. When I did the "autopsy" the bushings were all gummed up with dried up grease.
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  6. #6
    woy...collokweee...weeble weeble blaaaat artoodeeto's Avatar
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    Default Re: Wacky Fans

    Yah, I'd be inclined to say it's a bushing/bearing issue too. I once had a video card mounted desktop-style (horizontally) for a long time. I then sold it to a friend, who had it mounted tower-style with the fan upside down. The fan had been silent, more or less, when I had it but in my friend's computer it made all kinds of noise periodically. When flipped back on its side, it quieted down. I guess from being on it side the bearings had gotten all out of whack.
    Definitely spray it out with the canned air, and if that doesn't work, replace them if possible. To test for a heat-related issue, try opening the case, and parking a floor fan next to it (ie, create so much airflow that there's no way it'll overheat) and if the fans still make noise, you know the problem's not heat.
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  7. #7
    read my comic already! (sig) xRyokenx's Avatar
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    Default Re: Wacky Fans

    I booted it up this morning after disabling RivaTuner and haven't heard any whirring yet. I'm gonna pick up some canned air soon to clean out the case anyway. The fans are probably a year or two old by now, at least.

  8. #8
    If it isn't stock, it's modded! slaveofconvention's Avatar
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    Default Re: Wacky Fans

    I'd seriously look into buying the cheapest compressor you can get - my first compressor cost roughly the same as about 8 can's of air would have, and it served me remarkably well, paying for itself at least a dozen times over in compressed air cans alone....

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  9. #9
    woy...collokweee...weeble weeble blaaaat artoodeeto's Avatar
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    Default Re: Wacky Fans

    Quote Originally Posted by slaveofconvention View Post
    I'd seriously look into buying the cheapest compressor you can get - my first compressor cost roughly the same as about 8 can's of air would have, and it served me remarkably well, paying for itself at least a dozen times over in compressed air cans alone....
    too true - my badger compressor cost me about $170 (it's rated basically for airbrushes and not much else) and it's worked beautifully for the...gosh...15+ years I've had it. I haven't regretted the purchase at all, even given that I was in high school when I got it and took quite a lot of allowance money...
    Quote Originally Posted by ElevateThis View Post
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  10. #10
    read my comic already! (sig) xRyokenx's Avatar
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    Default Re: Wacky Fans

    We do have a little 3 gallon compressor but I'm a little reluctant to use it because I don't want moisture or oil blown inside of my tower.

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