Ok Duke, thanks for communicate it!
** Changed in: ubuntu
Status: New => Invalid
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headphone cannot be used
https://bugs.launchpad.net/bugs/404765
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ubun
Solved!
Solved!
I solve it!
I referenced the page:
https://help.ubuntu.com/community/SoundTroubleshooting
1. First, You can check whether your computer has been install
build-essential and module-assistant, whether your linux header is updated,
whether you has the alsa source.
Code: