Bila Fedora anda tidak mengeluarkan suara, coba terlebih dahulu meng-unmute

alsaunmute

bila masih tetap tidak terdengar suara install

yum install alsa alsa-utils alsa-firmware

jalankan

speaker-test -Dplug:front -c2 -l4 -twav
## output 
speaker-test 1.0.28
 
Playback device is plug:front
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 64 to 1048576
Period size range from 32 to 524288
Using max buffer size 1048576
Periods = 4
was set period_size = 262144
was set buffer_size = 1048576
 0 - Front Left
 1 - Front Right
Time per period = 10.932257
 0 - Front Left
 1 - Front Right
Time per period = 10.929498
 0 - Front Left
 1 - Front Right
Time per period = 10.931128
 0 - Front Left
 1 - Front Right
Time per period = 10.931893

anda akan mendengar suara Front Left dan Front Right

Bila masih tetap belum terdengar jalankan perintah

alsamixer

lalu setting semua sampai 100 %
alsamixer

Tambahan Troubleshooting

Lihat program/user yang sedang menggunakan resource audio

lsof /dev/snd/*
## output
COMMAND    PID  USER   FD   TYPE DEVICE SIZE/OFF  NODE NAME
alsactl    844  root    6r   CHR  116,2      0t0 13818 /dev/snd/controlC0
alsactl    844  root    7r   CHR  116,7      0t0 16633 /dev/snd/controlC1
pulseaudi 1845 tommy   16u   CHR  116,7      0t0 16633 /dev/snd/controlC1
pulseaudi 1845 tommy   23u   CHR  116,7      0t0 16633 /dev/snd/controlC1
pulseaudi 1845 tommy   24u   CHR  116,2      0t0 13818 /dev/snd/controlC0
pulseaudi 1845 tommy   31u   CHR  116,2      0t0 13818 /dev/snd/controlC0
xfce4-vol 1846 tommy    8u   CHR  116,2      0t0 13818 /dev/snd/controlC0
xfce4-vol 1846 tommy   11u   CHR  116,7      0t0 16633 /dev/snd/controlC1
vlc       3221 tommy  mem    CHR  116,3          13819 /dev/snd/pcmC0D0p
vlc       3221 tommy   19u   CHR  116,3      0t0 13819 /dev/snd/pcmC0D0p
vlc       3221 tommy   25r   CHR 116,33      0t0 15957 /dev/snd/timer
vlc       3221 tommy   26u   CHR  116,2      0t0 13818 /dev/snd/controlC0

Debug alsa

alsa-info.sh --no-upload

Cek apakah soundcard anda terdeteksi

aplay -l

dan

lspci | grep Audio
## ouput
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
01:00.1 Audio device: NVIDIA Corporation GF108 High Definition Audio Controller (rev a1)

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