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Computer fan doesn't spin

Discussion in 'Troubleshooting and Repair' started by ThomasWheeler, Apr 7, 2017.

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  1. ThomasWheeler


    Apr 25, 2016
    Hi, I have a Cooler Master 12V 0.16A PC fan that won't start spinning by itself. I need to push start it and only one led lights up instead of four. What aproach should I take to diagnose the problem?

    Attached Files:

  2. davenn

    davenn Moderator

    Sep 5, 2009
    check the voltage to the fan, make sure it's a full 12V

    looks like you have taken off the sticky label ?
    there may be dust in there or the motor drive cct is faulty

    either way, a replacement fan is pretty cheap off ebay

    shrtrnd likes this.
  3. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    Sometimes you can lubricate the fan to get a bit more life from it. It's never a long term fix, but may work until you get a new one.

    The bearing is often visible under the sticker (that you have removed) -- and yeah I can see it.
  4. Bigrockk


    Aug 1, 2016
    I have "lubed" quite a few of these with good success, just make sure you use a light, non detergent oil. Using the wrong lubricant will just gum things up and make it worse. 3 in 1 oil works great and is readily available.
    Good luck!
  5. pharaon


    Oct 28, 2014
    if you want my advice use WD-40 and it will back as new
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