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There were a few other things bothering me about this install, including the partitioning. Today, I finally reinstalled the OS from scratch. This solved my audio problems, now it's working just fine. No tricks needed. In case a moderator reads this: Please delete this thread. There's nothing useful ...

Even though the Sound Preferences show only a mono device and no left/right slider, the audio is actually stereo. When testing with https://www.audiocheck.net/audiotests_stereo.php it's very clear that I have two separate channels. I can even adjust the balance with amixer sset 'Line Out' 80%,20% . ...

After adding myself to the audio group I can play audio files. However, only in mono. The Sound Preferences show a single output device as "HDA Intel Mono ". pulseaudio is not working either. When I start it with the verbose option, I can see that it shuts down after the line I: [pulseaudi...

After torturing my favorite search engine a bit more, I made some progress. I found that the super user was able to see sound devices and play audio: #sudo aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: Generic Analog [Generic Analog] Subdevices: 1/1 Subdev...

Since I upgraded my desktop to Vanessa, I have no more sound. I still have an old LM 17 in another partition, and sound works fine there. So, the hardware isn't broken. Here we go with some details: #aplay -l aplay: device_list:274: no soundcards found... #amixer -c 0 Invalid card number '0'. pulsea...

Since the Mint installation does not allow to create logical volumes, I followed this guide to build my system with one volume group and three volumes. During the last few days I experimented with upgrading to Linux Mint 20. Since I'm not using Mint's backup tools, I had to do the upgrade in the &qu...

I had exactly the same problem. It turned out that I installed an additional repository from the command line and the new file in /etc/apt/sources.list.d had permissions 600, and that caused the problem for the update manager. After changing the permissions to 644 everything was ok, and now I can ru...

Here is another solution:
https://github.com/mate-desktop/mate-po ... /issues/23

I modified my /etc/grub.d/10_linux because I wanted certain things to be password protected. Ran update-grub, rebooted and everything was fine. Then I wanted to make more changes and found out that the previous edits were lost. Apparently, the system copies /usr/share/ubuntu-system-adjustments/grub/...

I tried it with the released version of 201303 Cinnamon and did three tests:
64-bit and 32-bit versions on HP Laptop 6930p
64-bit version on my desktop HP xw6200
All three failed. Attached is a screen shot with some traces from the desktop.