s xubuntu e dell-a но няма никакъв звук при теста излиза следното
какво значи и как да подкарам звука


speaker-test 1.0.14

Playback device is plug:front
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory
ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
Playback open error: -2,No such file or directory