** Summary changed:

- [UX490UA, Realtek ALC295] Scratchy sound from speakers and no output from 
hedphones
+ [UX490UA, Realtek ALC295] Scratchy sound from speakers and no output from 
headphones

** Description changed:

  The bug is similar to this one:
  https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1648183
  
  But on UX490UA there is even no sound from headphones. I tried some
  fixes recommended for UX390, but none of them worked.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.10.0-30.34-generic 4.10.17
  Uname: Linux 4.10.0-30-generic x86_64
  ApportVersion: 2.20.4-0ubuntu4.5
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  razynt     1348 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  simon     1348 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Thu Aug 10 21:05:39 2017
  InstallationDate: Installed on 2017-08-10 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Speaker, Internal
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [UX490UA, Realtek ALC295, Speaker, Internal] Underruns, dropouts or 
crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/07/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX490UA.302
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX490UA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrUX490UA.302:bd06/07/2017:svnASUSTeKCOMPUTERINC.:pnUX490UA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX490UA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: UX490UA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

** Attachment removed: "CurrentDmesg.txt"
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1709976/+attachment/4930263/+files/CurrentDmesg.txt

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https://bugs.launchpad.net/bugs/1709976

Title:
  [UX490UA, Realtek ALC295] Scratchy sound from speakers and no output
  from headphones

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