Does not recognize sound card

[Gabor Toth]

Do not know if I am filing it under the correct package.

Since upgrading to Ubuntu 13.04 I have problem with sound. The system does not anymore recognizes that there is an HDMI device plugged in and thus I can not put the sound over the HDMI cable.
More than that: from time to time the system does not recognize the internal sound card and says there is only a "Dummy" device and thus I get no sound at all. It is kind of random and normally when I restart again then the internal sound card and sound devices are recognized.

I have a Dell Inspiron 17R laptop with 4 Gb RAM and I am running the 64 bit version of Ubuntu. I have upgraded from 12.10 where the sound worked perfectly.

I am willing to put time into helping testing or giving more data, just let me know.

Thanks.

Gabor

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gnome-control-center 1:3.6.3-0ubuntu24
ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Tue May 7 21:39:27 2013
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2013-03-19 (49 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to raring on 2013-04-30 (7 days ago)
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu6.1
 deja-dup 26.0-0ubuntu1
 gnome-control-center-signon 0.1.6bzr13.04.05-0ubuntu1
 gnome-control-center-unity 1.2daily13.04.09-0ubuntu1
 indicator-datetime 12.10.3daily13.03.26-0ubuntu1