Strange red LED coming from my headphone jack?

Discussion in 'MacBook' started by Orange Furball, Aug 12, 2012.

  1. Orange Furball macrumors 65816

    Orange Furball

    Joined:
    May 18, 2012
    Location:
    Scranton, PA, USA
    #1
    Randomly I found this red LED shining out of my MacBook... its coming straight from the headphone jack. I thought it was a laser but its just an LED I guess... what's causing this?

    [​IMG]
     
  2. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #2
    The optical audio out has been enabled.
    Remove the 3.5 mm plug you use to connect the speakers to the Mac from the Mac's audio out port, and see, if there is a red light. If so, repeatedly plug and unplug the 3.5 mm connector until the light goes away, as the red light is the indicator of the digital, optical audio out being enabled, and sometimes it just gets stuck.
     
  3. Orange Furball thread starter macrumors 65816

    Orange Furball

    Joined:
    May 18, 2012
    Location:
    Scranton, PA, USA
    #3
    Ahh ok. Maybe it was caused by windows installing or something. Thanks!
     
  4. AppleFanatic10 macrumors 68030

    AppleFanatic10

    Joined:
    Nov 2, 2010
    Location:
    Encino, CA
    #4
    That could also be the case. There's an update to the audio called cirrus or something. Look up bootcamp windows 7 red light on audio jack and it'll come up somewhere :)
     

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