iMac making crackling sound

Discussion in 'iMac' started by dalcorn1, Nov 25, 2015.

  1. dalcorn1 macrumors regular

    Jul 10, 2008
    hi all. Got home last night to find my iMac making a bizarre crackling noise from around the centre at the back.

    Anyone got any ideas what might cause it?
  2. Fishrrman macrumors G3

    Feb 20, 2009
    It would help if you told us how old the iMac is.

    Might be...
    - fan noise?
    - hard drive noise?
    - electrical arcing?
  3. Buerkletucson macrumors 6502


    Sep 12, 2015
  4. dalcorn1 thread starter macrumors regular

    Jul 10, 2008
    Sorry, it's only a few months old. Bought in August it's a specced up 5k.

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