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Thread: Comprehensive Sound Problem Solutions Guide

  1. #101
    Join Date
    Jun 2006
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    Hidden!

    Re: Comprehensive Sound Problem Solutions Guide

    Hello, what to do if there is no sound card listed after command lspci -v ?
    In BIOS it's enabled and in Windows it works fine. I have onboard ICH5 Intel sound card. Thanks.

  2. #102
    Join Date
    Dec 2005
    Location
    Mississauga, ON, Canada
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    245
    Distro
    Kubuntu 6.10 Edgy

    Re: Comprehensive Sound Problem Solutions Guide

    SteveHoffmanUK - from the command-line do this

    Code:
    sudo nano /etc/apt/sources.list
    The first few lines has a reference or two to the CD-ROM. use the '#' to comment out the line.

    after that, press CTRL + O to save. Then

    Code:
    sudo apt-get update && sudo apt-get install gdm ubuntu-desktop
    This will allow you to download gdm and ubuntu-desktop from the ubuntu repositories.

    ivotedforkodos - look in this file

    Code:
    sudo nano /etc/group
    each line in the file has the name of the group. Go to the audio line (they aren't alphabetical but the list is not too long). Add your username (the one without sound) to the audio line.

    so if you line read
    Code:
    audio:x:29:user1,user2
    it will now read (assuming you want to add the user 'newuser')
    Code:
    audio:x:29:user1,user2,newuser
    Be very careful when editing that file.

    Pizza the Hutt - Enter this line into a shell and paste the contents back.
    Code:
    uname -r
    You should have the latest version of the kernel for Dapper and 2.6.12 is not the latest. You should have something like 2.6.15.xx

    Fatmaxlim - look if your soundcard is listed here http://www.alsa-project.org/alsa-doc/

  3. #103
    Join Date
    Mar 2006
    Location
    Wiltshire UK
    Beans
    237

    Re: Comprehensive Sound Problem Solutions Guide

    Lord Raiden

    Thanks for the instructions. I am back in business; however, I still don't have sound!

    I will go back to the start of this thread and carry on where I left off. Presumably this change I made (commenting out the ref to cdrom) means that it won't ask me again for me to use my Ubuntu disc should I want to reinstall something?

  4. #104
    Join Date
    Jun 2006
    Location
    New York City
    Beans
    46
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Comprehensive Sound Problem Solutions Guide

    Quote Originally Posted by LordRaiden View Post

    ivotedforkodos - look in this file

    Code:
    sudo nano /etc/group
    each line in the file has the name of the group. Go to the audio line (they aren't alphabetical but the list is not too long). Add your username (the one without sound) to the audio line.

    so if you line read
    Code:
    audio:x:29:user1,user2
    it will now read (assuming you want to add the user 'newuser')
    Code:
    audio:x:29:user1,user2,newuser
    Be very careful when editing that file.
    Unbelievable. That worked perfectly. Thanks, LordRaiden; you are the man! BTW, why would this have happened?

  5. #105
    Join Date
    Apr 2005
    Beans
    18

    Re: Comprehensive Sound Problem Solutions Guide

    any tips on getting the master volume control to work with the cm9739 onboard sound? pcm slider does adjust most sound levels, but some sounds do come out at full volume...

  6. #106
    Join Date
    Dec 2005
    Location
    Mississauga, ON, Canada
    Beans
    245
    Distro
    Kubuntu 6.10 Edgy

    Re: Comprehensive Sound Problem Solutions Guide

    ivotedforkodos - Don't know. I remember another user having it a while back.

    cyberdude - not familiar with your soundcard, but master alone should work. Try muting/unmuting master (it should do something). Leave your PCM at around 80, any higher and you might hear static. Are you using SPDIF? Sometimes the master only works on the analog or the SPDIF and not on both.

    I'm thinking about moving this guide to the UDSF so that other users can put in their info as well (hopefully without breaking the layout).

  7. #107
    Join Date
    Apr 2005
    Beans
    18

    Question Re: Comprehensive Sound Problem Solutions Guide

    Quote Originally Posted by LordRaiden View Post
    cyberdude - not familiar with your soundcard, but master alone should work. Try muting/unmuting master (it should do something). Leave your PCM at around 80, any higher and you might hear static. Are you using SPDIF? Sometimes the master only works on the analog or the SPDIF and not on both.
    no i'm not using SPDIF, just analog...muting/unmuting master does'nt effect the sounds at all...even when muted, sounds still play

    motherboard
    is based on nforce2 ,with c-media onboard sound (cmi9739)



  8. #108
    Join Date
    Apr 2005
    Beans
    18

    Re: Comprehensive Sound Problem Solutions Guide

    Quote Originally Posted by cyberdude View Post
    no i'm not using SPDIF, just analog...muting/unmuting master does'nt effect the sounds at all...even when muted, sounds still play

    motherboard
    is based on nforce2 ,with c-media onboard sound (cmi9739)


    just found this
    For everyone who's missing volume control with his CMedia 9739 onboard
    sound chip, here are the facts I found out so far. This chip is used
    at least on Epox 8RDA3+ and maybe in every newer nforce2 chipset. (Who
    knows where else it is used?)
    The general problem with the 9739 is that it doesn't have a volume
    control in hardware. As the technical reference (avail. at
    http://www.cmedia.com.tw/e_t_twp.htm) states, there is no PCM volume
    register on chip, only a PCM muting register. Strangely, it also
    states that there is a _Master_ volume register where you should be
    able to set the volume (not only muting)! But I had no success using
    it; changes to that register have no effect. Maybe this is a hardware
    bug, or the tech reference is wrong.
    BTW. CMedia's OSS driver does volume control in software, so they know
    about the problem...
    So it seems that the best solution is to use some kind of software
    volume control.

  9. #109
    Join Date
    Feb 2006
    Location
    Morehead/ KY
    Beans
    19
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: Comprehensive Sound Problem Solutions Guide

    That's what I got:
    Code:
    user5@ubuntu:~$ uname -r
    2.6.12-9-386
    I don't know why I don't have the latest version. I upgraded to Dapper just two weeks ago and the update manager does not show me any new available updates.

  10. #110
    Join Date
    Dec 2005
    Location
    Mississauga, ON, Canada
    Beans
    245
    Distro
    Kubuntu 6.10 Edgy

    Re: Comprehensive Sound Problem Solutions Guide

    Pizza the Hutt - you are using an older kernel - try doing
    Code:
     sudo apt-get update && sudo aptitude dist-upgrade
    This should get you to the latest version of the kernel.

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