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After having worked properly for a month, my sound card went missing. It was probably after I forced a restart (laptop frozen).

I am running Ubuntu 14.04.4 LTS on a laptop with a pretty basic Sound Card Intel 2 Channel High Definition Audio.

aplay -l 

gives

aplay: device_list:268: no soundcards found...

lsmod | grep snd

gives nothing.

I tried many solutions but none seems to work. Any ideas?

10
  • Is the card integrated?
    – Alexiy
    Apr 14, 2016 at 4:43
  • Does the card still work when you boot into another OS (live OS for example) ?
    – Potaito
    Apr 14, 2016 at 6:40
  • @Alexiy yes it is! Apr 14, 2016 at 22:14
  • @potAito I don't have any other OS on the laptop, should try with something from usb or cd? Apr 14, 2016 at 22:16
  • As nothing detects the card, I think it is not supported or is damaged.
    – Alexiy
    Apr 15, 2016 at 2:47

2 Answers 2

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Try checking out Ubuntu's own sound card issues page, it has helped me a few times in the past and gives you simple instructions on testing and re-enabling sound cards: https://help.ubuntu.com/community/SoundTroubleshooting

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  • So it is a helpful checklist, I arrived until point 6 where lspci -v | grep -A7 -i "audio" gives nothing In the bios I found no option to enable the sound card. Still don't know what to do Apr 14, 2016 at 23:22
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The issue was solved by forcing a restart after the computer had frozen. Still not sure whether it's a hardware or software issue or a combination of the two.

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