[OptiPlex 7040, Realtek Generic, Black Headphone Out, Front] Background noise or low volume

[efrain avila]

White noise all the time, no matter volume level. I tried disable power save option. It didn't work.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.10.0-35.39~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: efrain 1971 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Sep 28 10:10:31 2017
InstallationDate: Installed on 2017-04-03 (178 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Audio Interno - HDA Intel PCH
Symptom_Jack: Black Headphone Out, Front
Symptom_Type: High background noise, or volume is too low
Title: [OptiPlex 7040, Realtek Generic, Black Headphone Out, Front] Background noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/06/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.5.9
dmi.board.name: 0Y7WYT
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.5.9:bd02/06/2017:svnDellInc.:pnOptiPlex7040:pvr:rvnDellInc.:rn0Y7WYT:rvrA00:cvnDellInc.:ct3:cvr:
dmi.product.name: OptiPlex 7040
dmi.sys.vendor: Dell Inc.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2017-09-28T10:04:33.733342