remove model=Acer from alsa-base.conf your have AC97 controller and hdmi graphic card
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1188316 Title: alsa driver bug Status in “alsa-driver” package in Ubuntu: New Bug description: alsa driver bug ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1.1 ProcVersionSignature: Ubuntu 3.2.0-45.70-generic-pae 3.2.44 Uname: Linux 3.2.0-45-generic-pae i686 NonfreeKernelModules: fglrx AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.3 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: sh4d0x 1913 F.... mixer_applet2 Card0.Amixer.info: Card hw:0 'ICH6'/'Intel ICH6 with AD1981B at irq 21' Mixer name : 'Analog Devices AD1981B' Components : 'AC97a:41445374' Controls : 34 Simple ctrls : 23 Card1.Amixer.info: Card hw:1 'HDMI'/'HDA ATI HDMI at 0xf0510000 irq 43' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100100' Controls : 6 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Thu Jun 6 20:08:49 2013 InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3) MarkForUpload: True PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. SourcePackage: alsa-driver Symptom: audio UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/16/2004 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 786C1 v01.05 dmi.board.name: 0968h dmi.board.vendor: Hewlett-Packard dmi.chassis.asset.tag: FRB44902K4 dmi.chassis.type: 6 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr786C1v01.05:bd06/16/2004:svnHewlett-Packard:pnHPCompaqdc7100CMT(DX438AV):pvr:rvnHewlett-Packard:rn0968h:rvr:cvnHewlett-Packard:ct6:cvr: dmi.product.name: HP Compaq dc7100 CMT(DX438AV) dmi.sys.vendor: Hewlett-Packard mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-06-04T21:37:34.710012 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1188316/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp