Sound failing on recent Ubuntu 18.04 install

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My sound has suddenly stopped working several weeks after a dual-boot installation of Ubuntu 18.04. I've checked all of my settings and everything appears to be normal (audio output appears to be occurring on pavucontrol, nothing muted, etc.), and have tried multiple fixes that I found online, but nothing seems to be working. I've attached some screenshots of what I'm seeing, any ideas?

sound settings

lspci

pavu

Edit: To make things even stranger, I discovered that the sound will work for a few seconds upon waking the computer up from sleep, before getting increasingly distorted and failing alltogether. I'm assuming the same is true for restarts but that by the time it boots fully and I log in that it has already turned off.

edited Nov 29 at 1:49

asked Nov 28 at 0:30

jbramley

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up vote
0
down vote

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sound settings

lspci

pavu

edited Nov 29 at 1:49

asked Nov 28 at 0:30

jbramley

New contributor

add a comment |

up vote
0
down vote

favorite

sound settings

lspci

pavu

edited Nov 29 at 1:49

asked Nov 28 at 0:30

jbramley

New contributor

sound settings

lspci

pavu

18.04 sound

edited Nov 29 at 1:49

asked Nov 28 at 0:30

jbramley

New contributor

edited Nov 29 at 1:49

asked Nov 28 at 0:30

jbramley

New contributor

edited Nov 29 at 1:49

asked Nov 28 at 0:30

jbramley

New contributor

asked Nov 28 at 0:30

jbramley

asked Nov 28 at 0:30

jbramley

New contributor

jbramley is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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