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Computer fan doesn't spin

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

  1. Apr 7, 2017 #1
    ThomasWheeler

    ThomasWheeler

    32
    1
    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?
     

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  2. Apr 7, 2017 #2
    davenn

    davenn Moderator

    13,315
    1,766
    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

    Dave
     
    shrtrnd likes this.
  3. Apr 7, 2017 #3
    (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,192
    2,694
    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. Apr 8, 2017 #4
    Bigrockk

    Bigrockk

    17
    2
    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. Apr 8, 2017 #5
    pharaon

    pharaon

    239
    3
    Oct 28, 2014
    if you want my advice use WD-40 and it will back as new
     
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