Previous 1 2 3 Next 99 Replies Latest reply: Jan 3, 2007 2:34 PM by milkbone
MikeSr Level 1 Level 1 (100 points)
Does anyone have a new 17", 20" or 24" iMac that does not hum when the brightness is adjusted?

Dual 2GHz Intel iMac, Mac OS X (10.4.4), 2 gigs of ram/500 gig HD/256 video card
  • Christopher Thompson2 Level 1 Level 1 (145 points)
    I can verify that, although I've received 4 defective units, none of the 20 inch models (both Core Duo and Core 2 Duo) hummed when the brightness was adjusted. It's very probably yet another flaw in this product line.
  • hank28 Level 1 Level 1 (5 points)
    I bought a 20" intel imac back in Feb, totally quiet. Recently upgraded to the new 24 incher - noticed the screen hum noise almost immediately. Annoying, especially after having a totally silent iMac.

    From checking around the web and here it seems that this is only (or most commonly) found on the 24 inchers, not the 20 or 17. Then you've got to factor in the # of people who just have it but probably just don't notice it. I would return it but again from what I've read, it seems people have gotten replacements with the same hum more often than not. So my questions would be:

    1. Does apple know about this issue? Sounds like every story about calling support results in the tech saying he/she has never heard of this and issuing a replacement. I don't doubt that I would get the same response if I called - I'd like to hear that Apple has been hearing more and more about this problem and are working on a fix. I'll probably call just to log the issue one more time in their database.

    2. Is it hardware or software? Software I can live with, provided Apple acknowledges it and has a firmware fix in the works. To test whether it was something in the OS I loaded boot camp and messed around with the brightness in Windows, same hum - doesn't look good (or sound good that is).



    imac intel Mac OS X (10.4.4)
  • barisaxshorty Level 1 Level 1 (10 points)
    no it's just not 24" i have a 20" intel duo not the new the new 2 duo and mine hums
  • bbolin Level 3 Level 3 (520 points)
    My 20" Core 2 Duo is approximately 3 weeks old and no hum.
  • randarr Level 1 Level 1 (0 points)
    I've got the 24" and absolutely no hum or buzz. I even put my ear up close.
  • Barry Fisher Level 3 Level 3 (655 points)
    Does anyone have a new 17", 20" or 24" iMac that does
    not hum when the brightness is adjusted?



    Just about week old 24", totally quiet, no hum.
  • Ronbol Level 1 Level 1 (25 points)
    No hum at all on my 24".
  • MikeSr Level 1 Level 1 (100 points)
    To the people saying their iMac has no hum, have you just recently received iMac?

    If so, Apple may have fixed the problem.
  • Dave Kellaway Level 1 Level 1 (25 points)
    My 24" makes almost no sound whatsoever (in fact it's quieter than my external hard drive). I guess you have a slightly defective unit.

    I received it this week, incidentally.
  • MikeSr Level 1 Level 1 (100 points)
    I dont have one yet. I am just wondering is Apple fixed it yet. It seems the ones shipping now are ok. Time will tell as owners reply to this topic & reference when they bought it.
  • MikeSr Level 1 Level 1 (100 points)
    any other new 24" have the humm?
  • QuickDraw Level 3 Level 3 (700 points)
    I just recently purchased a 20" that has never hummed. I've had it for approximately 1 month and I am loving it, truly loving it. I had been strictly a windows pc user for like 20 years. I'm sooooo glad I made the switch. Sorry for ranting off topic, just had to put that in there.
  • EricLErak Level 2 Level 2 (380 points)
    what does the hum sound like because all i can here on mine is the fan blowing



    is it like a sound you can make with your mouth
  • MikeSr Level 1 Level 1 (100 points)
    Anyone out there getting new iMacs with the hum lately?
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