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by Spixxy on February 27th, 2004

Spixxy

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My computer just started making a loud humming noise. Could this be a serious problem?

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Answers. 11 helpful answers below.

  • by 8 Jan 2004-10 Dec 2009 on February 29th, 2004

    8 Jan 2004-10 Dec 2009

    It could be serious, but the two things that immediately come to mind are minor.

    My first instinct when I hear a humming from my tower is that my fan motor is out of whack again. It's a personality quirk of my system; the HD cooler I put in uses cheap fans with non-ball-bearing motors.Check the fans.

    Second is one of my drives shaking. Are all of the mounting screws tight?

    If it is actually an electrical sound, a certified "60-cycle hum", it's probably safest and easiest to just replace the power supply. That's the only component that carries 60Hz AC.

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  • by G_tech on March 29th, 2008

    G_tech

    My first thought here is always this:
    When is the last time you opened the side of your case and blew out the dust and lint?
    1. unplug PC, take to un carpeted area, open side and use a can of air on it, CPU, fans, power supply(all vents on power supply back, bottom and outside on case side), cables, motherboard, HD, vent from front of case as this is where airflow starts, last tip case to side and blows rest dust out. if you feel you must reach inside. keep one arm on case at all times for a ground, to keep static ele. out of case.

    2. now plug back in and listen for you noise, power supply, CPU or another fan inside, HD etc. if noise is from any of these shut down and replace at once!

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  • by Christopher Woods on February 28th, 2004

    Christopher Woods

    This is most probably the fan in the powersupply vibrating and making the case vibrate with it. If it goes away after a few minutes after you turn your PC on, I'll bet money that that's what the problem is.

    If it's persistent, then check everything's screwed in properly and fastened tightly. Case and/or component vibration is the cause of most odd PC humming noise.

    Of course, if it's an electrical-sounding humming noise, then I'd start to get a little worried... It could possibly be a fan with a worn down bearing or axle in a fan, but it's more likely to be something like a transformer or voltage stepper, perhaps in the powersupply. Get a technician to check your PC out if the problem persists, cause it's always good to be on the safe side. :)

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  • by agloop1 on April 10th, 2010

    agloop1

    My computer started humming so loudly that I thought it was the fan or something was about to explode or my computer was going to crash. Stangely enough, as soon as I touched the button to the disc drive door it stopped the loud humming! Wierd, I know...but worth a try!

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  • by tom on February 21st, 2009

    tom

    my computer making noise?

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  • by Aaron23uk on March 28th, 2008

    Aaron23uk

    yes football crazy mines does exactly the same my comp is a 2.69 intel celeron 1.25 mb ram anywayz mines starts humming rattelry noise after 1 min wen booting up. but wen i press the two side cases together there is no humming and i dont think its the fan unless its the power supply fan my comp is from time computers shudent be any noosie lol

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  • by footballlcrazy on July 11th, 2007

    footballlcrazy

    my fan sounds like someone is constantly hoovering, its always does it and done it for as long as i can remember. When the computer is swiched on there is no sound, but after a minute or so you can hear the fans or what ever is making the sound starting up and staying at a constant level of sound, Its really annoying, and i would love to know why they are on all the time. The past 2 computers i have had have done exactly the same

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  • by Dayton on July 6th, 2007

    Dayton

    my computer does the same I'm about ready to beat the SHIT OUT OF IT!!!!! it's the fan over the Heat sinker and it's ready to be replaced by a ball bearing fan

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  • by dnutter on March 6th, 2005

    dnutter

    Sometime when memory is bad they will make a loud humming noise. it start when system powers up try to remove 1 at a time if it stop that was the case or ckeck and see if system reading memory installed, if not remove 1 at a time til bad 1 is found. hopes this helps

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  • by James Beatty on April 21st, 2004

    James Beatty

    My computer has been humming for two years and it's never been a problem. Do, however, check that wires aren't getting in the way of any fans and that screws are tight enough (but not too tight!).

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  • by Daniel_S1435 on October 19th, 2010

    Daniel_S1435

    This may solve the problem!

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