[K55VD, Realtek ALC270, Mic, Internal] Recording problem

[daniel.mario]

i just updated the system and after that i dont get any sound in my headphone, my laptop speakers works without a problem tho.
and unfortunately i dont know what was the update files. i cant remember them anymore.

please help me solve this problem.
thanks in advance.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: dan 2213 F.... pulseaudio
                      dan 6592 F.... alsamixer
 /dev/snd/pcmC0D0p: dan 2213 F...m pulseaudio
Date: Tue Nov 6 17:20:52 2012
InstallationDate: Installed on 2012-10-19 (17 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_AlsaRecordingTestStderr:
 o v e r r u n ! ! ! ( a t l e a s t 1 3 . 7 2 4 m s l o n g )
  o v e r r u n ! ! ! ( a t l e a s t 1 4 . 2 8 2 m s l o n g )
  o v e r r u n ! ! ! ( a t l e a s t 1 3 . 3 5 1 m s l o n g )
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Mic, Internal
Symptom_Type: None of the above
Title: [K55VD, Realtek ALC270, Mic, Internal] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/24/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: K55VD.304
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: K55VD
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.:bvrK55VD.304:bd05/24/2012:svnASUSTeKCOMPUTERINC.:pnK55VD:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnK55VD:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: K55VD
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]