Sound is on maximum and mixer doesn't change the sound level in KDE or Gnome (asus notebook)

I am not an expert. I only went through change to pipewire yesterday.

If you mask something it will not run and you will not be able to start it.

First I removed pulseaudio. It informed about dependencies so first I removed them. Command
sudo pacman -Rns pulseaudio
will first display those dependencies

Then I installed:

pamac search -i 'pipewire|pulseaudio'
pipewire-pulse                                                                              1:0.3.23-1  extra 
    Low-latency audio/video router and processor - PulseAudio replacement
pipewire-media-session                                                                      1:0.3.23-1  extra 
    Low-latency audio/video router and processor - Session manager
pipewire-jack                                                                               1:0.3.23-1  extra 
    Low-latency audio/video router and processor - JACK support
pipewire-alsa                                                                               1:0.3.23-1  extra 
    Low-latency audio/video router and processor - ALSA configuration
pipewire                                                                                    1:0.3.23-1  extra 
    Low-latency audio/video router and processor
manjaro-pipewire                                                                            20210109-1  community 
    Meta package for pipewire support.
libpipewire02                                                                               0.2.7-1     extra 
    User space API to deal with multimedia pipelines (0.2)
lib32-libpulse                                                                              14.2-2      multilib 
    A featureful, general-purpose sound server (32-bit client libraries)

and pipewire-media-session and pulse-pa

I unmasked, enabled and started all related services and sockets

systemctl --user list-unit-files | grep -E 'pulseaudio|pipewire'
pipewire-media-session.service                                          enabled   enabled      
pipewire-pulse.service                                                  enabled   enabled      
pipewire.service                                                        enabled   enabled      
pipewire-pulse.socket                                                   enabled   enabled      
pipewire.socket                                     enabled   enabled      

You do it like this, for example

systemctl --user unmask pipewire.service
systemctl --user enable pipewire.service --now
systemctl --user start pipewire.service --now

Then I checked for errors:

systemctl --user status pipewire*

Also check different sound sources and applications like, mp3 or video from disk from audacious and youtube Firefox. In Audacious you have options: output alsa or pulseaudio. I have set pulseaudio because it works with pipewire-pulse I think.

Also check your system settings
https://forum.manjaro.org/uploads/default/original/3X/e/3/e304815b9751a867dddca95c2a3c400cd037c593.png

I also get this error but it doesn’t affect my sound. It works ok in my system now.

Also there are some files in
/home/user/.config/pipewire/media-session.d/

check if you have something with Off in those files.

I had some entries with Off and I deleted them.

Follow this:
https://wiki.archlinux.org/index.php/PipeWire