you have to post output of alsa-info.sh pactl list
pactl stat examine system log and look for edid of your monitor which your graphic driver and drm get from your monitor -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1244361 Title: HDMI/DisplayPort is selected as sound output even when connected display has no sound capability Status in “pulseaudio” package in Ubuntu: Incomplete Bug description: On upgrade to Ubuntu 13.10, I noticed my sound doesn't work by default if my external display is plugged in. I have an HP EliteBook 7940m connected via display port to an HP ZR2440w monitor which has no speakers. When it is connected I have to go into sound settings and re-select the laptop speakers to hear sound. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: gnome-control-center 1:3.6.3-0ubuntu44 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 ApportVersion: 2.12.5-0ubuntu2 Architecture: amd64 Date: Thu Oct 24 11:15:37 2013 InstallationDate: Installed on 2013-01-14 (283 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64+mac (20121017.3) MarkForUpload: True SourcePackage: gnome-control-center UpgradeStatus: Upgraded to saucy on 2013-10-23 (1 days ago) usr_lib_gnome-control-center: activity-log-manager 0.9.7-0ubuntu4 deja-dup 27.3.1-0ubuntu1 gnome-control-center-datetime 13.10.0+13.10.20131016.2-0ubuntu1 gnome-control-center-signon 0.1.7~+13.10.20130724.1-0ubuntu1 gnome-control-center-unity 1.3+13.10.20131004-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1244361/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
