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When I first install Ubuntu in my notebook I can heard the sound in both headphone and also in system speaker. But now I am not hear any sound in my laptop. Whenever I launch the command sudo apt-get updates, sudo apt-get install updates, sudo apt-get upgrades;

Sound issues occur each time I launched these command or installed other software in Ubuntu.

I have also go through each step to solve my problem also resolved the sound issues when I trouble shoot the sound issues using this link : https://help.ubuntu.com/community/SoundTroubleshooting.

But again I launch above mentioned command in my terminal for updates and again facing sound issues this time I am not able to troubleshoot my problem. I am giving some screenshots which help to understand my problem below with my configuration.

My Laptop configuration is:

  1. Laptop - HP 240 G4O
  2. Ram - 8 Gb
  3. OS - Ubuntu 14.o4

It used to open before the issues but now it doesn't show 

hp@hp-HP-240-G4-Notebook-PC:~$ alsamixer
cannot open mixer: No such file or directory


hp@hp-HP-240-G4-Notebook-PC:~$ lspci -v | grep -A7 -i "audio"
00:1f.3 Audio device: Intel Corporation Device 9d70 (rev 21)
Subsystem: Hewlett-Packard Company Device 8131
Flags: bus master, fast devsel, latency 32, IRQ 141
Memory at a1228000 (64-bit, non-prefetchable) [size=16K]
Memory at a1210000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel

hp@hp-HP-240-G4-Notebook-PC:~$ sudo aplay -l
aplay: device_list:268: no soundcards found...

hp@hp-HP-240-G4-Notebook-PC:~$ sudo aplay -l
[sudo] password for hp: 
aplay: device_list:268: no soundcards found...
hp@hp-HP-240-G4-Notebook-PC:~$ pacmd
Welcome to PulseAudio! Use "help" for usage information.  

list-sinks 
1 sink(s) available.
  * index: 0
    name: <auto_null>
    driver: <module-null-sink.c>
    flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
    state: SUSPENDED
    suspend cause: IDLE 
    priority: 1000
    volume: 0: 100% 1: 100%
            0: 0.00 dB 1: 0.00 dB
            balance 0.00
    base volume: 100%
                 0.00 dB
    volume steps: 65537
    muted: no
    current latency: 0.00 ms
    max request: 15 KiB
    max rewind: 15 KiB
    monitor source: 0
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 0
    linked by: 1
    configured latency: 0.00 ms; range is 0.50 .. 2000.00 ms
    module: 12
    properties:
        device.description = "Dummy Output"
        device.class = "abstract"
        device.icon_name = "audio-card"

enter image description here

I am not able to fix it and now it is out of my mind. I am new for Ubuntu but I tried my best. If any other information is needed please let me know.

andrew.46
  • 39,359
sandeep
  • 1

1 Answers1

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It's pretty common issue.

Please try the following:

Fix Alternative #1

Try reinstalling Alsa and Pulse audio in the following manner:

sudo apt-get remove --purge alsa-base pulseaudio

sudo apt-get install alsa-base pulseaudio

And force reload Alsa again:

sudo alsa force-reload

Fix Alternative #2

Open the terminal and edit speech-dispatcher file by using the following command:

sudo gedit /etc/default/speech-dispatcher

In here, change RUN=yes to RUN=no

Reboot.

Let me know if it have worked for you.

Source: It's FOSS

If it doesn't help you can try other solutions HERE

Community
  • 1
Linus
  • 233