# Check if volume is muted
amixer get Master
 
# List sound cards
aplay -l
cat /proc/asound/cards
 
# Check PipeWire service
systemctl --user status pipewire pipewire-pulse wireplumber

Application
  |
PipeWire (audio server)
  |
ALSA (kernel audio driver)
  |
Hardware sound card

systemctl --user status pipewire
systemctl --user status pipewire-pulse
systemctl --user status wireplumber

systemctl --user restart pipewire pipewire-pulse wireplumber

# List audio output devices
wpctl status
 
# View default output device
wpctl inspect @DEFAULT_AUDIO_SINK@
 
# Set volume
wpctl set-volume @DEFAULT_AUDIO_SINK@ 0.8
 
# Unmute
wpctl set-mute @DEFAULT_AUDIO_SINK@ 0

# List all sinks (output devices)
wpctl status | grep -A 20 "Audio"
 
# Set default output (replace ID with actual device ID)
wpctl set-default <DEVICE_ID>

rm -rf ~/.config/pipewire ~/.local/state/pipewire
systemctl --user restart pipewire pipewire-pulse wireplumber

# List sound cards
cat /proc/asound/cards
 
# If it shows "no soundcards found", the sound card driver is not loaded
sudo dmesg | grep -i "snd\|sound\|audio\|hda"

alsamixer

sudo alsactl store

# Intel HDA sound card
sudo modprobe -r snd_hda_intel
sudo modprobe snd_hda_intel
 
# If loading fails
sudo dmesg | tail -20

# Check HDMI audio output
aplay -l | grep HDMI
 
# Switch to HDMI output in PipeWire
wpctl status
wpctl set-default <HDMI_DEVICE_ID>

# Confirm Bluetooth audio device is connected
wpctl status | grep -i bluetooth
 
# If there is a codec issue, install additional support
sudo apt install libspa-0.2-bluetooth
 
systemctl --user restart pipewire pipewire-pulse wireplumber

# Check browser audio permissions
snap connections firefox | grep audio
 
# Ensure the audio interface is connected
sudo snap connect firefox:audio-playback

# Check recording devices
arecord -l
 
# Test the microphone
arecord -d 5 -f cd test.wav
aplay test.wav
 
# Check input devices in PipeWire
wpctl status | grep -A 10 "Sources"
wpctl set-mute @DEFAULT_AUDIO_SOURCE@ 0

# Fully restart the user audio stack
systemctl --user restart pipewire pipewire-pulse wireplumber
 
# Inspect PipeWire / WirePlumber logs to locate errors
journalctl --user -u pipewire -u pipewire-pulse -u wireplumber -b --no-pager
 
# Inspect the live graph (nodes, links, devices)
pw-top        # top-like live view
pw-cli ls Node
wpctl status

rm -rf ~/.config/pipewire ~/.local/state/pipewire ~/.config/wireplumber
systemctl --user restart pipewire pipewire-pulse wireplumber

# Generate a complete audio diagnostic report
sudo apt install alsa-utils
alsa-info.sh --upload