Alsamixer returns "cannot open mixer: No such file or directory"

alsamixer returns:

cannot open mixer: No such file or directory

after

sudo apt install jack


sudo lspci -v | grep -i audio returns
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01) 01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1)
        Subsystem: Gigabyte Technology Co., Ltd High Definition Audio Controller 04:00.0 Multimedia audio controller: VIA Technologies Inc. ICE1712 [Envy24] PCI Multi-Channel I/O Controller (rev 02)
        Subsystem: VIA Technologies Inc. M-Audio Delta Audiophile 2496

Thanks!

Had the same problem. Running alsamixer with the -c parameter worked for me:

alsamixer -c 1

1 is the card number (because I have multiple cards attached). You can try different numbers