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Alarming noise at top left corner

392 Views 7 Replies Latest reply: Jan 19, 2013 2:01 PM by Commifreak RSS
L.o.u.i.s Level 1 Level 1 (0 points)
Currently Being Moderated
Jan 15, 2013 10:17 AM

Dear apple community,

I have a brand new macbook pro which occasionally emits a concerning noise at the top left corner of the keypad. Weirdly, this noise always happens a few minutes after I have finished gaming. Perhaps it happens whilst I am gaming, but I would be surprised: the noise is so loud I can hear it easily through earphones. It is some sort of sharp sparky electric noise that flickers for a second or two. What could it be? should I be concerned? Otherwise my computer seems to work fine.

MacBook Pro, OS X Mountain Lion (10.8.2)
  • Baby Boomer (USofA) Level 9 Level 9 (55,540 points)
    Currently Being Moderated
    Jan 15, 2013 10:43 AM (in response to L.o.u.i.s)

    L.o.u.i.s wrote:


    Dear apple community,

    I have a brand new macbook pro


    You are still under warranty.  You have 14 days from the date of purchase to return the computer w/no questions asked.  You have 90 days of FREE phone tech support.  Call them if concerned.


    Take FULL advantage of your warranty before it runs out.



















    MacBook Pro, Mac OS X (10.6.8), Original MBP (2/2008)
  • Courcoul Level 6 Level 6 (11,180 points)
    Currently Being Moderated
    Jan 15, 2013 11:58 AM (in response to L.o.u.i.s)

    If a stock Mac (no SSD or Retina), the only point where noise can be scary is under the right palmrest, where the HDD lives, in terms of data loss. On 15"ers, the fans live on both sides of the keybioard and the optical drive on the right side.


    What you may be hearing is noise generated by the speaker.

  • Courcoul Level 6 Level 6 (11,180 points)
    Currently Being Moderated
    Jan 15, 2013 2:58 PM (in response to L.o.u.i.s)

    Easy way to test they hypothesis. Leave earphones plugged, but away from ears. If the sound is from the Mac's sound system, it will only be heard thru the phones. Else you can start worrying again...

  • Russa Level 4 Level 4 (1,315 points)
    Currently Being Moderated
    Jan 15, 2013 3:35 PM (in response to L.o.u.i.s)

    .. gaming (and video) uses a lot of power and creates heat.. it might be a bad fan blade.. take it to the Genius Bar if you're near an Apple Store or call Apple Warranty service for a checkup.

  • Commifreak Calculating status...
    Currently Being Moderated
    Jan 19, 2013 2:01 PM (in response to L.o.u.i.s)

    I also have a noise and I can confirm that the source is the left fan!


    It seems that it has an imbalance and it starts vibrating (sometimes, even in normal use at lowest rpm). The first 3 days all was normal but today I can hear a slight noise.


    Exists a general problem with this Sunon-fan? If i search for fan replacements, I can often see the left fan only .


    If the fan noise remains, I'll try to have it replaced by an Apple-Service partner.


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