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Until this issue started a few days ago, I used both my onboard audio as well as a C-Media PCI audio card.
A few days ago, after a boot, my onboard audio was no longer recognized. I noticed it first in pavucontrol,
and then I checked alsamixer, and it didn't see my onboard audio either. It seemingly dissappeared without
notice.
Here's the output of 'lspci -nn | grep -i audio':
01:00.1 Audio device [0403]: NVIDIA Corporation GK106 HDMI Audio Controller [10de:0e0b] (rev a1)
05:01.0 Multimedia audio controller [0401]: C-Media Electronics Inc CMI8738/CMI8768 PCI Audio [13f6:0111] (rev 10)
The first device is from my Nvidia graphics card. I would love to remove that BTW, I just don't know how.
The second is the C-Media PCI card.
There used to be a third device that was something like:
Audio device: Intel....
or something like that.
The night it happened, I was setting up Windows for a dual boot alongside Arch, and I was in the BIOS changing things, if that helps.
Last edited by TheGrandLyon (2014-11-22 00:14:06)
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Solved. I should have done this BEFORE posting.
I went back into the BIOS (well, UEFI, but it doesn't matter) and found that when I reverted to UEFI defaults that night, it changed the onboard audio controller to AUTO instead of ENABLED. I suppose that makes sense, if it's on auto and sees my other card, it probably thought it wasn't needed...
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