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Thread: Laptop built in microphone not working

  1. #1
    Join Date
    Aug 2012
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    Laptop built in microphone not working

    I have installed Ubuntu 10.04 LTS on my toshiba satellite m300d laptop. I have been having trouble getting the built-in microphone to work. I have been looking through the forums but none of their fixes have been working for my problem. Any help would be greatly appreciated.

  2. #2
    Join Date
    Jun 2009
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    5

    Re: Laptop built in microphone not working

    I'm currently on a Toshiba Satellite too with the same problem.

    I'm actually running 12.10 beta 2 though, so I dont know if it's a beta problem or what.

  3. #3
    Join Date
    Jun 2007
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    10,903

    Re: Laptop built in microphone not working

    Quote Originally Posted by b12nd0n View Post
    I'm currently on a Toshiba Satellite too with the same problem.
    Make sure it's not an inverted mic:
    Install the pavucontrol application, start it and go to the “Input Devices” tab. Unlock the channels (click the keylock icon), then mute the right channel while keeping the left channel at the volume you want.
    If the internal mic is now working correctly, you have an inverted internal mic, so that your right channel cancels out the left one. (Why the hardware is constructed that way is beyond me.)
    This seems to be most common on Acer Aspire laptops, but I’ve seen them on other laptops as well, and fixing these are more of a long term project as they are non-trivial kernel patches. So far I’ve created a patch for Thinkpad U300s. Anyway, I would like to track the remaining ones in bug 1002978, so please add your system there according to the instructions.

  4. #4
    Join Date
    Apr 2012
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    31

    Re: Laptop built in microphone not working

    Please delete/remove this post...it was a user issue with some software...sorry my bad
    Last edited by mathsgeek; October 15th, 2012 at 03:55 PM.

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