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my sound was working perfectly fine while suddenly it stopped after an update... I tried reinstalling alsamixer and stuff - did not work. When I start alsamixer, here is what i get:

enter image description here

Also in the upper right corner, when the sound menu is opened, the slider is inactive, same for the options in the Settings. Here is what I get with:

$ lspci | grep -i 
audio00:03.0 Audio device: Intel Corporation Device 0a0c (rev 0b)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev 04)

Here is another:

cat /proc/asound/cards
0 [MID            ]: HDA-Intel - HDA Intel MID
                  HDA Intel MID at 0xf2610000 irq 62
1 [PCH            ]: HDA-Intel - HDA Intel PCH
                  HDA Intel PCH at 0xf2614000 irq 63

Ideas?

1 Answer 1

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Your main soundcard is the 2nd one (the first is HDMI soundcard, attached to HDMI screen plug) .

So , in Alsamixer, press F6 , select 2nd soundcard : you will see more faders .Then set volumes and unmute faders (using arrow keys and "m" key to unmute. )

You can also install and run pavucontrol (Pulseaudio volume control) to access the 2nd sound card in the "output device" tab (click green button near it to make it default)

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