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Thread: No audio after upgrade

  1. #1
    Join Date
    Mar 2011
    Beans
    5

    No audio after upgrade

    I upgraded to Ubuntu 12.04. I do get welcome music while logging in but thereafter there is no audio at all. Apparently, the system fails to detect audio hardware. Everything is greyed out (inaccessible) in sound settings. Any help?

  2. #2
    Join Date
    Jul 2009
    Location
    Hippiesoldierstan
    Beans
    2,029
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: No audio after upgrade

    hi ubu... this has happened to me many times on various versions of Ubuntu at first
    Later on it seems to settle once a few updates have gone through...


    This sometimes works

    reload 2 or three times ; sometimes it clicks in sometimes not


    ===========

    this also but probably not if greyed-out


    once you have loaded Ubuntu
    open your systems monitor gui or open
    Code:
    gnome-system-monitor
    find pulse audio then right-click and kill ...

    it is very off-putting since sound is a basic need on a machine; i wish you the best... someone will come along with cleverer tricks no doubt
    Linux is Latin for off-the-beaten-track
    what I like MOST about our Ubuntu community ... exchanging tips to make things better .... The World should take heed :]
    ShanArt

  3. #3
    Join Date
    Jun 2007
    Beans
    12,226

    Re: No audio after upgrade

    What shantiq refers to (killing/restarting) pulseaudio can be accomplished easily with one command:
    Code:
    pulseaudio -k
    Indeed, it does sound like a pulseaudio issue since sound works before login (when pulse starts). Some folks who upgrade releases have to remove their pulseaudio user configuration files so that pulse will generate fresh ones. Use the following command and log out/in.
    Code:
    rm -rf ~/.pulse*

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