Today my sound stopped working, I have tried several things listed in the forums and still rolled a big fat 0. Here is my Alsa Info.

!!Script ran on: Tue Jul 8 05:51:51 UTC 2014

!!Linux Distribution

Ubuntu 14.04 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 14.04 LTS" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

!!DMI Information

Manufacturer: TOSHIBA
Product Name: Satellite L55-A
Product Version: PSKLAU-01200E
Firmware Version: 1.20

!!Kernel Information

Kernel release: 3.13.0-30-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes

!!ALSA Version

Driver version: k3.13.0-30-generic
Library version: 1.0.25
Utilities version:

!!Loaded ALSA modules


!!Sound Servers on this system

Installed - Yes (/usr/bin/pulseaudio)
Running - Yes

!!Soundcards recognised by ALSA

0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xc8610000 irq 44

!!PCI Soundcards installed in the system

00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)

!!ALSA/HDA dmesg

[ 11.321684] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 11.321884] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
[ 11.343623] SKU: Nid=0x1d sku_cfg=0x40f79a2d
[ 11.344245] realtek: Enabling init ASM_ID=0x9a2d CODEC_ID=10ec0269
[ 11.353890] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 11.355657] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[ 11.355708] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 11.633485] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
  • Did you try alsamixer (from a terminal) to see if sound is not simply muted ? – alci Jul 8 '14 at 9:13
  • yeah, i also reinstalled everything listed in other post. no matter what i try i can't get sound – user301484 Jul 8 '14 at 9:18
  • May be a silly suggestion: If you're using external speakers, have you accidentally unpluged them / turned the off? – Tim Jul 8 '14 at 11:03
  • If you dual boot with Windows 8, see this answer. If headphones work, and the speaker doesn't work or works intermittently, please click "Does this bug affect you?" in the upper left of this bug. – Isiah Meadows Aug 7 '14 at 6:53

Reinstall the common soundcard drivers packages:

sudo apt-get --purge autoremove build-essential linux-headers-`uname -r` && sudo apt-get install build-essential linux-headers-`uname -r`
  • No external speakers, and i just installed the soundcard packages and still nothing – user301484 Jul 8 '14 at 14:05
  • I'm stumped with this one – user301484 Jul 8 '14 at 14:45
  • Try with --purge and reinstall. i edited the answer. – user308564 Jul 8 '14 at 15:09
  • let me give it a try – user301484 Jul 8 '14 at 15:23
  • 1
    @user301484 See this answer of mine: askubuntu.com/a/466627/258567 – Isiah Meadows Aug 6 '14 at 23:55

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