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[fl64 <flsixtyfour@xxxxxxxxx>]

Updating the BIOS did not cause any improvement

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https://bugs.launchpad.net/bugs/1594568

Title:
  Dell E7250 noise by login screen.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Dell E7250 with Realtek ALC3235 causes the white noise by login screen.
  ---
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  user       1229 F.... pulseaudio
   /dev/snd/controlC1:  user       1229 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=d6ff3a4b-5b93-41ce-ac67-3baa4956ff37
  InstallationDate: Installed on 2016-06-21 (0 days ago)
  InstallationMedia: It
  MachineType: Dell Inc. Latitude E7250
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-24-generic root=UUID=eec28b9f-4576-4375-a70d-0e80b10967c9 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-24-generic N/A
   linux-backports-modules-4.4.0-24-generic  N/A
   linux-firmware                            1.157
  Tags:  xenial
  Uname: Linux 4.4.0-24-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/12/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0V8RX3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd01/12/2016:svnDellInc.:pnLatitudeE7250:pvr:rvnDellInc.:rn0V8RX3:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E7250
  dmi.sys.vendor: Dell Inc.

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