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I can hear the sound from my laptop speakers on the startup but after that when I try to play any music on VLC I don't hear any sound. I can't even hear any sound on youtube so it's not the problem with VLC. If I try running any sound by Guest user then it works.

jatin lamba
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  • Try running "/usr/bin/pulseaudio" in terminal. – ASCIIbetical Nov 30 '13 at 19:42
  • jatin@jatin-HP-ProBook-445-G1:~$ /usr/bin/pulseaudio
    E: [pulseaudio] pid.c: Daemon already running.
    E: [pulseaudio] main.c: pa_pid_file_create() failed. @KunalSangwan     – jatin lamba Nov 30 '13 at 20:05
  • As stated below, try "alsamixer" in terminal. Sometimes the problem is that alsa somehow got muted,So I guess try disabling Auto-Mute Mode. The mute can be toggled with the M key. – ASCIIbetical Nov 30 '13 at 20:48
  • Run "pavucontrol" and go to the "Output Devices" tab (3rd tab) while you play the video. There is a level meter right above the "Advanced" option. While you play the audio, does the Level Meter fluctuate? – marko Oct 02 '17 at 07:58

2 Answers2

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Triedalsamixer in terminal? Remove all of the M's by using the cursor keys to navigate below an output labeled as MM and tap M to unmute it. The cursor up and down keys can also be used to adjust the volume if necessary.

alsamixer

For more possible answer's, see here: No Sound in Ubuntu 12.04

Elder Geek
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Wilf
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If nothing works,reinstall the audio system. Run the following code:

sudo apt-get remove --purge alsa-base pulseaudio
sudo apt-get install alsa-base pulseaudio
sudo alsa force-reload

Hope that helps. !

ASCIIbetical
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