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This began with a Dummy Output audio error. Previously when I had had this problem (caused by leaving my earbuds plugged into the audio jack, shutting the laptop lid, and later reopening it, whereupon there was no sound), I remembered trying uninstalling and reinstalling pulseaudio. Tonight I uninstalled pulseaudio, but can't get it to reinstall. There is another question in here about dependency issues, but I don't know if the package apt is complaining about is or is not, as in the other question, an Ubuntu package.

Currently I have no sound, no detection of sound card (empty result from lspci regarding audio), and no pulseaudio. ALSA is installed but alsamixer gives "cannot open mixer: No such file or directory" even though "which alsamixer" gives a listing in /usr/bin/alsamixer. When I attempt to install pulseaudio with "sudo apt-get install pulseaudio" I get the following message:

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 pulseaudio : Depends: libpulse0 (= 1:8.0-0ubuntu3) but 1:8.0-0ubuntu3.10 is to be installed
              Recommends: pulseaudio-module-x11 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

I've reached the point of despondency with this problem. I've been trying to stay sane in this whole virus situation with the help of some live art party videos on YouTube but now I can't hear any audio. I hope somebody can give me some advice. I've been using Ubuntu for quite a few years now, but this problem has me stymied. The machine is dual-booted with Windows 10 and even that OS can't see the sound card. Thank you in advance for any assistance.

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  • apt-cache policy please, add it to your question. – nobody Mar 27 at 10:35

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