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Thread: Strange Red Light In Headphone Jack MacBook 4,1

  1. #11
    Join Date
    Aug 2008
    Location
    North Dakota
    Beans
    14
    Distro
    Ubuntu Development Release

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    worked for me too! Macbook 2,1 Ubuntu 10.10

  2. #12
    Join Date
    Oct 2010
    Beans
    76

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    Quote Originally Posted by funkwurm View Post
    Fully inserting the jack and removing it should do the trick. Repeat a couple times if necessary, try it slower, or faster. Maybe twist a little... Okay maybe I'm describing a different insert-remove-insert-remove activity here
    No, really?

  3. #13
    Join Date
    Dec 2007
    Beans
    16

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    I'm on macbook pro 4,1 and ubuntu maverick but the solution:
    amixer set IEC958 off
    does not fix the issue permanently!
    Every time I started ubuntu red light comes up from my jack input!
    Also:
    Code:
    # alsactl store
    does not fix the problem.

    Is there a solution for fix that permanently?

    Thanks a lot for any advices

  4. #14
    Join Date
    Jun 2009
    Beans
    12
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    Quote Originally Posted by maffix View Post
    I'm on macbook pro 4,1 and ubuntu maverick but the solution:


    does not fix the issue permanently!
    Every time I started ubuntu red light comes up from my jack input!
    Also:
    Code:
    # alsactl store
    does not fix the problem.

    Is there a solution for fix that permanently?

    Thanks a lot for any advices
    There's probably a better way, but I just added a script with that command to my start-up applications.

    i.e.

    turnOffLight.sh:
    Code:
    #!/bin/bash
    amixer set IEC958 off
    And added the command
    "bash /yourPathToFile/turnOffLight.sh"
    to your start-up applications (found in System/Preferences). If someone has a better solution let me know.

  5. #15
    Join Date
    Dec 2007
    Beans
    16

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    turnOffLight.sh:
    Code:

    Code:
    #!/bin/bash
    amixer set IEC958 off
    And added the command
    "bash /yourPathToFile/turnOffLight.sh"
    to your start-up applications (found in System/Preferences). If someone has a better solution let me know.
    Thanks a lot quickridge !
    It perfectly works.
    I know that it would be a better way to solve this issue but for now is a smart solution.
    It was very annoying to make that every time on starting ubuntu system.
    Good luck for you!
    Bye.

  6. #16
    Join Date
    Feb 2010
    Location
    Ontario
    Beans
    155
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    The non-restoring on start-up seems to be related to Ubuntu overriding the stored alsa settings at login, although I have no idea how that happens. I'm gonna keep looking into it but for now, running the brief startup script as suggested by quickridge is probably the simplest solution. If I ever figure out how to fix this in a more traditional manner I'll post it here.
    i5-650 Dual-Core 3.2GHz, 4GB DDR3, 1TB, eVGA GTX 460 *Running Ubuntu, Arch, Win7, Snow Leopard
    Aluminum Unibody, 5,1 Macbook *Running Snow Leopard, Ubuntu, Jolicloud

  7. #17
    Join Date
    Oct 2010
    Beans
    63
    Distro
    Ubuntu 11.10 Oneiric Ocelot

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    Quote Originally Posted by quickridge View Post
    There's probably a better way, but I just added a script with that command to my start-up applications.

    i.e.

    turnOffLight.sh:
    Code:
    #!/bin/bash
    amixer set IEC958 off
    And added the command
    "bash /yourPathToFile/turnOffLight.sh"
    to your start-up applications (found in System/Preferences). If someone has a better solution let me know.
    This works perfectly on my Macbook Pro 3,1. Thanks so much.

  8. #18
    Join Date
    Jan 2011
    Beans
    4

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    I have this issue right now. I wonder if it has something to do with the fact that I get no sound out of the headphone jack. Only sound on computer is through regular speakers. CPU is Macbook 2007 model 2.0ghz C2D 1.5gb RAM. Please help

  9. #19
    Join Date
    Oct 2006
    Beans
    2

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    amixer set IEC958 off

    Worked on my Macbook7,1 - and glad of it too!!

  10. #20
    Join Date
    Apr 2012
    Beans
    4

    Re: Strange Red Light In Headphone Jack MacBook 4,1

    I just want to mention that this also worked for me as well with 11.10 on my MacBook 2,1

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