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Thread: Can I completely restart the sound drivers?

  1. #1
    Join Date
    Mar 2011
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    Can I completely restart the sound drivers?

    Hey guys, I was trying to assign a mute toggle command to a button on my keyboard, and used sudo amixer sset Master toggle. It muted the sound, but it won't turn back on. I've restarted the computer to no avail.

    sudo amixer -c 0 set Master 1+ unmute didn't work either.

    Is there a way to completely restore the sound drivers, or another way to get my volume back? I'm using Xubuntu 12.04

    Cheers

  2. #2
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    Mar 2011
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    Re: Can I completely restart the sound drivers?

    Also, alsamixer reports that all the volume controls are turned up

  3. #3
    Join Date
    Mar 2006
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    Re: Can I completely restart the sound drivers?

    Here is your answer: http://bimma.me.uk/2012/03/01/xubunt...e-mute-button/
    Works fine for me on Xubuntu 12.04 as a keyboard shortcut or launcher
    (originaLLY from this forum, Toz, iirc)
    No longer participating......

  4. #4
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    Mar 2011
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    Re: Can I completely restart the sound drivers?

    That didn't work unfortunately. I think it just assigned the mute toggle to the key again without fixing the underlying reason why the sound won't come back on

  5. #5
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    Re: Can I completely restart the sound drivers?

    Did you use:
    Code:
    amixer set Master toggle
    (not sset). No need for sudo.
    Also check your "Master" is actually called Master.

    When you run alsamixer in a terminal you should now see that the default sound card is called PulseAudio and there is only one meter - Master.

    Terminal output from running the command:
    Code:
    ~$:amixer set Master toggle
    Simple mixer control 'Master',0
      Capabilities: pvolume pswitch pswitch-joined penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 65536
      Mono:
      Front Left: Playback 65536 [100%] [off]
      Front Right: Playback 65536 [100%] [off]
    ~$ amixer set Master toggle
    Simple mixer control 'Master',0
      Capabilities: pvolume pswitch pswitch-joined penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 65536
      Mono:
      Front Left: Playback 65536 [100%] [on]
      Front Right: Playback 65536 [100%] [on]
    I also have xfce4-mixer installed to provide a halfway house between pavucontrol and alsamixer
    Code:
    sudo apt-get install xfce4-mixer
    Last edited by Jose Catre-Vandis; June 13th, 2012 at 01:04 AM.
    No longer participating......

  6. #6
    Join Date
    Mar 2011
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    15

    Re: Can I completely restart the sound drivers?

    Quote Originally Posted by Jose Catre-Vandis View Post
    Did you use:
    Code:
    amixer set Master toggle
    (not sset). No need for sudo.
    Also check your "Master" is actually called Master.

    When you run alsamixer in a terminal you should now see that the default sound card is called PulseAudio and there is only one meter - Master.

    Terminal output from running the command:
    Code:
    ~$:amixer set Master toggle
    Simple mixer control 'Master',0
      Capabilities: pvolume pswitch pswitch-joined penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 65536
      Mono:
      Front Left: Playback 65536 [100%] [off]
      Front Right: Playback 65536 [100%] [off]
    ~$ amixer set Master toggle
    Simple mixer control 'Master',0
      Capabilities: pvolume pswitch pswitch-joined penum
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 65536
      Mono:
      Front Left: Playback 65536 [100%] [on]
      Front Right: Playback 65536 [100%] [on]
    I also have xfce4-mixer installed to provide a halfway house between pavucontrol and alsamixer
    Code:
    sudo apt-get install xfce4-mixer
    Worked a charm thanks!

  7. #7
    Join Date
    Mar 2006
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    Re: Can I completely restart the sound drivers?

    Ah good, we got there in the end.

    Forgot to mention a restart of sound services (or reboot) may be necessary.
    No longer participating......

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