Red light in Earphone Socket MBP

Discussion in 'Mac Basics and Help' started by chrissmash, Oct 15, 2009.

  1. chrissmash macrumors regular

    Aug 17, 2007
    Hi guys,

    Ill explain the situation,

    I have installed a virtual machine of Windows 7 (which I hear can be related) for Uni work etc which needs windows. One day I was using my earphones and pulled them out and a red light appeared and I could not get sound. I read online to insert the headphones a few times which resolved the situation.

    However now sound works fine out of the speakers but when using the earphone jack sound will only come out of one side, does anyone know what is causing this or recommend any solutions?

    Would it be something to do with the Windows 7 virtual machine?


  2. notjustjay macrumors 603


    Sep 19, 2003
    Canada, eh?
    The red light is the digital optical signal. I've read that there is a physical switch that determines whether to enable the optical signal (and in doing so silence the analog outputs).

    You can try using a toothpick or other thin object and try to dislodge a stuck switch.
  3. Hrududu macrumors 68020


    Jul 25, 2008
    Central US
    I had that happen to mine this past January, and I just took it in for repair. If you're still under warranty, I would suggest doing the same.

Share This Page