[System Product Name, Realtek ALC882, Green Line Out, Rear] No sound at all

[Devid]

Totalmetne absent audio. With the previous version before the current ubuntu 16:04 everything worked regularly.
Using the command "sudo lspci" the results are the following about:

- 00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01)
- 04:00.1 Audio device: NVIDIA Corporation GF119 HDMI Audio Controller (rev a1)

can you help me?

Thank's

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic i686
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: alfiere 1632 F.... pulseaudio
 /dev/snd/controlC0: alfiere 1632 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Oct 2 21:27:10 2016
InstallationDate: Installed on 2016-09-11 (20 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta i386 (20150805)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Audio interno - HDA Intel
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: alfiere 1632 F.... pulseaudio
 /dev/snd/controlC0: alfiere 1632 F.... pulseaudio
Symptom_Jack: Green Line Out, Rear
Symptom_Type: No sound at all
Title: [System Product Name, Realtek ALC882, Green Line Out, Rear] No sound at all
UpgradeStatus: Upgraded to xenial on 2016-09-13 (18 days ago)
dmi.bios.date: 01/09/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1702
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5LD2
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1702:bd01/09/2007:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5LD2:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer