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[Nam La <1320020@xxxxxxxxxxxxxxxxxx>]

Same here.

Just installed Ubuntu 14.x LTS to avoid issues with my Broadcom 43142 (I
tried Fedora first.

This is a less-than-a-week old Asus X555LN that had W8.1 installed from
factory and completely removed from the Hard Drive.

* Secure Boot has been disabled.
* No dual boot here.
* Sound worked fine in Windows 8.1, Fedora 22 (unfortunately, WLAN did not and that's why I decided to try this Ubuntu LTS) and Windows 7 (I decided to try W7 just to do a Dual Boot but then I desisted and installed Ubuntu).
* Sound works fine through headphones.
* Toggling between speakers and headphones does not resolve the issue.
* doing
 $ alsa force-reload 
does not resolve the issue.
* Disabling auto-mute via 
$ alsamixer
does not resolve the issue.


$ lspci | grep Audio 
shows 

00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev 04)

$ pulseaudio 
shows 

E: [pulseaudio] pid.c: Daemon already running.
E: [pulseaudio] main.c: pa_pid_file_create() failed.

Still looking for any additional information/entries at forums/tuts to
try. Please advise if this thread will be followed up on and if we can
expect any resolution. Thank you.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1320020

Title:
  [Inspiron 1470, Realtek ALC272, Speaker, Internal] No sound at all

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  I can get perfect sound through headphones, and the kernel recognizes
  the internal speaker, but nothing is ever played through it. I have
  personally tested a pair of earbuds to make sure that sound could play
  through the headphone port, and that isn't a problem. The sound driver
  just refuses to recognize the existence of the speaker, even though
  the kernel does.

  I wouldn't be surprised if the last upstream update had something to
  do with it.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  isiah      7361 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Thu May 15 18:07:52 2014
  InstallationDate: Installed on 2014-01-29 (106 days ago)
  InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
  Symptom_Card: Built-in Audio - HDA Intel
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  isiah      7361 F.... pulseaudio
  Symptom_Jack: Speaker, Internal
  Symptom_Type: No sound at all
  Title: [Inspiron 1470, Realtek ALC272, Speaker, Internal] No sound at all
  UpgradeStatus: Upgraded to trusty on 2014-05-04 (11 days ago)
  dmi.bios.date: 03/23/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0M7CYJ
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A05
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A05
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd03/23/2011:svnDellInc.:pnInspiron1470:pvrA05123:rvnDellInc.:rn0M7CYJ:rvrA05:cvnDellInc.:ct8:cvrA05:
  dmi.product.name: Inspiron 1470
  dmi.product.version: A05123
  dmi.sys.vendor: Dell Inc.

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