No sound on Ubuntu 20.04
100809
Internal speaker (Audio) is not working in Ubuntu 20.04 LTS after upgrading from Ubuntu 18.04 LTS
102403
How to fix no sound output from speakers or headphones?
95709
Why are my Macbook's internal speakers not available?
132860
JACK breaks audio. How do I fix it?
152290
How do I change the start up sound?
143516
How to reinstall PulseAudio (Ubuntu 12.04)
25189
No sound on HDMI with Radeon driver
32539
Dont know where to connect HD AUDIO or AC-97, & USB
62575
Can I make my Ubuntu make sounds when I press Caps Lock etc.?
131945
Sound only works from left speaker?
114802
Sound not working at all
128530
Windows 10 Audio input to programs broken
140244
Audio is working, but the speaker test doesn't work
10131
Is there a way of leveling/compressing the sound system-wide?
42981
Will proprietary software-based sound enhancements work with Ubuntu? (BeatsAudio, Dolby)
73312
Ubuntu 20.04 no sound out of Bluetooth headphones
27308
How can I change the default audio device from command line?