MBP 2011 Fan whistle / Dark stripes on screen backlight

Discussion in 'MacBook Pro' started by 2contagious, May 15, 2011.

  1. 2contagious, May 15, 2011
    Last edited: May 16, 2011

    2contagious macrumors 6502a

    2contagious

    Joined:
    Apr 29, 2008
    Location:
    UK
    #1
    Hi,

    Does anyone have this problem: my MBP (2011 model) makes a very slight, but annoying non-constant whistling noise (sound a bit like someone blowing into an empty bottle). I am guessing it's the left fan that's making this noise (?)

    see you,
    chris.

    EDIT: I also noticed that my backlight has two dark stripes around the areas of the middle of the screen and the left-hand end of the keyboard, which get more pronounced when the discr. graphics card is used :(
     
  2. Nermal Moderator

    Nermal

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    New Zealand
    #2
    When you're using the network, by any chance?
     
  3. 2contagious thread starter macrumors 6502a

    2contagious

    Joined:
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    #3
    The network? as in WiFi?
     
  4. Nermal Moderator

    Nermal

    Staff Member

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    #4
    Either. Mine will "whistle" when I'm using* Ethernet or Wi-Fi, and I've found other people with the same issue. I'm not sure how widespread it is.

    *Decent usage. Looking at a website doesn't do it, but copying a file does.
     
  5. 2contagious thread starter macrumors 6502a

    2contagious

    Joined:
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    #5
    I am not sure, in which conditions does yours not make the noise?
    I tried turning WiFi off, but the noise is still there. :(
     
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    Nermal

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  7. 2contagious thread starter macrumors 6502a

    2contagious

    Joined:
    Apr 29, 2008
    Location:
    UK
    #7
    Any idea what it could be? A faulty fan possibly, no?

    I also noticed that my backlight has two dark stripes around the areas of the middle of the screen and the left-hand end of the keyboard, which get more pronounced when the discr. graphics card is used :(
     

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