Hello @DPool
We appreciate any constructive feedback and proper made help requests, but gaslighting content is not something we encourage at all. Please don’t do that.
The suggestion to use Audacity was to test if you can record on it, hence know if sound/microphone recording works.
That helps nobody but yourself, to do what you have to do related to Slack call. You could have 10 systems installed that just work. That is not the topic, or is it?
If you want to continue investigation and get some help, here is how to provide good information in order to be helped:
Audio is something else in Linux than WIndows, it also depends on your hardware. For example:
For slack call you might just need slack-web-jack