New 27" buzz... Firmware fix?

Discussion in 'iMac' started by MR.Raul, Aug 13, 2010.

  1. MR.Raul macrumors regular


    Jul 28, 2010
    Just got my new iMac 27" and it's buzzing, especially on lower brightness.
    So if I increase till it stops, it starts buzzing when I change websites, might have to do with what color it is.

    So I'm wondering if this can be fixed with an Firmware?
    Or should I just get a new iMac?
  2. celticpride678

    Feb 15, 2009
    Boston, MA
    Apple did release a 21.5" firmware update for brightness issues yesterday, but I haven't heard any reports of buzzing fixes.

    That being said, it still does sound like a firmware issue.
  3. wessew macrumors member

    Feb 4, 2010
    I have a new iMac 27" and it is not buzzing or exhibiting any other unusual noises. You need to call Apple Care, report this issue, and open a case. It does not sound normal.

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