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Thread: toshiba a20-s103 no audio

  1. #1
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    toshiba a20-s103 no audio

    I have installed ubuntu 10.04 on my old notebook Toshiba and i have no audio sound.

    attached script of alsa.

    please help me.

    thank you
    Attached Files Attached Files

  2. #2
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    Re: toshiba a20-s103 no audio

    Quote Originally Posted by romariolele View Post
    I have installed ubuntu 10.04 on my old notebook Toshiba and i have no audio sound.

    attached script of alsa.

    please help me.

    thank you
    You have Ubuntu 10.04.1. Did you upgrade Alsa yourself to 1.0.23? Just checking, because you have Alsa driver 1.0.23 but Alsa Lib 1.0.22. Not sure what are the defaults in 10.4.1.

    The last part of the alsa-info output says

    [ 31.392115] ALSA ac97_codec.c:2082: AC'97 1 does not respond - RESET
    [ 31.408122] ALSA ac97_codec.c:2091: AC'97 1 access is not valid [0xffffffff], removing mixer.
    [ 31.408142] ALSA ali5451.c:1868: ali mixer 1 creating error.


    In addition, the earlier messages show that several parts of the soundcard have not been detected properly.

    Your chipset is ALI5451.
    Your first option would be to follow the discussion at http://ubuntuforums.org/showthread.php?t=1043568 and try to manually detect the soundcard variant, specifying possible options.
    It's possible that if you specify the correct 'model', the card will get properly detected.

    To test if you get sound (try this now!), use the command

    aplay -D default /usr/share/sounds/alsa/Rear_Left.wav


    This command bypasses PulseAudio so it should show if Alsa works; if it does not work, set a different 'model' from above and try again.

  3. #3
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    Re: toshiba a20-s103 no audio

    Quote Originally Posted by simosx View Post
    You have Ubuntu 10.04.1. Did you upgrade Alsa yourself to 1.0.23? Just checking, because you have Alsa driver 1.0.23 but Alsa Lib 1.0.22. Not sure what are the defaults in 10.4.1.

    The last part of the alsa-info output says

    [ 31.392115] ALSA ac97_codec.c:2082: AC'97 1 does not respond - RESET
    [ 31.408122] ALSA ac97_codec.c:2091: AC'97 1 access is not valid [0xffffffff], removing mixer.
    [ 31.408142] ALSA ali5451.c:1868: ali mixer 1 creating error.


    In addition, the earlier messages show that several parts of the soundcard have not been detected properly.

    Your chipset is ALI5451.
    Your first option would be to follow the discussion at http://ubuntuforums.org/showthread.php?t=1043568 and try to manually detect the soundcard variant, specifying possible options.
    It's possible that if you specify the correct 'model', the card will get properly detected.

    To test if you get sound (try this now!), use the command

    aplay -D default /usr/share/sounds/alsa/Rear_Left.wav


    This command bypasses PulseAudio so it should show if Alsa works; if it does not work, set a different 'model' from above and try again.
    upgrade to alsa lib 1.023 result: no sound

    in system, preference, sound hardware list of sound card (see attached) changed but no sound
    Attached Images Attached Images

  4. #4
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  5. #5
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    Ubuntu Gnome 15.04 Vivid Vervet

    Re: toshiba a20-s103 no audio

    Are you still getting those errors:
    Code:
    dmesg | grep -C1 -E 'ALSA|HDA|HDMI|sound|hda.codec|hda.intel'
    What's going on in alsamixer/gnome-alsamixer:
    Alsamixer
    Using a Terminal="Applications->Accessories->Terminal"
    Code:
     alsamixer
    Press <F6> to select the correct soundcard.
    Press <F3> to show playback levels. <F4> selects capture levels [or use <Tab>]
    Use the left/right arrow keys to select and up/down arrow keys to change levels. <M> to mute/unmute.

    Gnome-alsamixer
    Using Alt+F2 run dialog
    Code:
     gnome-alsamixer
    Use 'Edit -> Sound Card Properties' menu to enable elements.
    Soundcard tab to select / adjust levels.
    To install:
    Code:
    sudo apt-get install gnome-alsamixer

  6. #6
    Join Date
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    Re: toshiba a20-s103 no audio

    Quote Originally Posted by lidex View Post
    Are you still getting those errors:
    Code:
    dmesg | grep -C1 -E 'ALSA|HDA|HDMI|sound|hda.codec|hda.intel'
    What's going on in alsamixer/gnome-alsamixer:
    Alsamixer
    Using a Terminal="Applications->Accessories->Terminal"
    Code:
     alsamixer
    Press <F6> to select the correct soundcard.
    Press <F3> to show playback levels. <F4> selects capture levels [or use <Tab>]
    Use the left/right arrow keys to select and up/down arrow keys to change levels. <M> to mute/unmute.

    Gnome-alsamixer
    Using Alt+F2 run dialog
    Code:
     gnome-alsamixer
    Use 'Edit -> Sound Card Properties' menu to enable elements.
    Soundcard tab to select / adjust levels.
    To install:
    Code:
    sudo apt-get install gnome-alsamixer
    Attached screeshot alsamixer and gnome alsamixer
    Attached Images Attached Images

  7. #7
    Join Date
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    Distro
    Ubuntu Gnome 15.04 Vivid Vervet

    Re: toshiba a20-s103 no audio

    Try disabling 'External Amplifier' in gnome-alsamixer. You may want to toggle some of the other options there as well.

  8. #8
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    Re: toshiba a20-s103 no audio

    Quote Originally Posted by lidex View Post
    Try disabling 'External Amplifier' in gnome-alsamixer. You may want to toggle some of the other options there as well.
    done, nothing

  9. #9
    Join Date
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    Re: toshiba a20-s103 no audio

    Quote Originally Posted by romariolele View Post
    done, nothing
    Alsa 1.0.23 was released in April 2010. Could you give a try for Alsa snapshot (very latest) from http://www.alsa-project.org/main/index.php/Download Note the link to snapshot.
    Finally, produce a fresh alsa-info.sh with this snapshot enabled. We want to see whether the kernel messages are gone.

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