Windows 10: Loud Squealing Noise

  1.    15 Mar 2017 #1

    Loud Squealing Noise

    I am running windows 7 on a Dell desktop computer. It has started making a very annoying and loud squealing noise. I have cleaned the dust from inside thinking it may be overheating. I also wiggled the boards to make sure all were seated good. Does anyone have an idea what could be causing this and how to stop it? Thanks
      My ComputerSystem Spec

  2.    15 Mar 2017 #2

    Try disconnecting any case fans one at a time and see if the noise stops.......if it does then you have a fan that is on it's way out......
      My ComputersSystem Spec

  3. ArazelEternal's Avatar
    Posts : 318
    Windows 10 Pro x64
       15 Mar 2017 #3

    IT sounds like a fan may be going bad on you. The bearings in the fans can make that kind of sound when they wear out. I would check your fans. While its running, use your finger or something small to stop each one for a second or two and see if the sound stops.

    This may also be a HDD wearing out as well, though its doubtful. I would think that the drive would stop working or booting at all if that is the case.
      My ComputersSystem Spec

  4. bro67's Avatar
    Posts : 4,917
    Mac OS High Sierra 10.13.5
       15 Mar 2017 #4

    Fan or Hard Drive. Do not disconnect the fan from the CPU heatsink, since most motherboards that are higher end will not turn on when the bios does not detect that fan.

    When blowing units out, you should only use higher pressure such as from an air compressor if you have pulled the Motherboard and power supply to get the dust out of them. I always turn the pressure down when I use a compressor. Fans can end up showing failure when you get the crud cleaned out of them in the same way that a vehicle engine does when you get the oil and crud cleaned off for a minor engine repair.
      My ComputerSystem Spec

  5.    16 Mar 2017 #5

    Yes, that is why I mentioned "case fans"...........I doubt it is a HHD noise, they usually sound more like shaking a small box of rocks......
      My ComputersSystem Spec

  6. bro67's Avatar
    Posts : 4,917
    Mac OS High Sierra 10.13.5
       17 Mar 2017 #6

    kipper said: View Post
    Yes, that is why I mentioned "case fans"...........I doubt it is a HHD noise, they usually sound more like shaking a small box of rocks......
    Actually a failing hard drive sounds like a squealing noise not like a bunch of rocks shaking when the bearing starts failing. When the heads start failing, you hear a slapping noise from the arm going back and forth. When you open up a drive, you will see the track marks across the platters.
      My ComputerSystem Spec

  7.    17 Mar 2017 #7

    Well, sounds like some hear things one way and some another.......Still waiting for an update from his investigation, still most likely one of the fans are failing.....
      My ComputersSystem Spec


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