Public bug reported:
I have acer 7730g, installed ubuntu 10.10 amd64, no sound at all.
Notice, the sound is working through the HDMI on my TV, when I select HDMI
output in sound settings.
I've tried to reinstall alsa, modified /etc/modprobe.d/alsa-base.conf
add to the end: options snd-hda-intel model=acer-aspire-7730g
also I tried model=auto, model=acer.
When model=auto sound is working when speaker level is maximum, but certainly
quality is very bad.
So, any ideas to solve this problem ?
p.s. before I used 9.04 and 10.04, sound worked.
lspci: 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD
Audio Controller (rev 03)
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion:
Advanced Linux Sound Architecture Driver Version 1.0.23.
Compiled on Oct 29 2010 for kernel 2.6.35-22-generic (SMP).
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: muran 1548 F.... pulseaudio
muran 12576 F.... alsamixer
/dev/snd/pcmC0D0p: muran 1548 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0500000 irq 47'
Mixer name : 'Nvidia MCP77/78 HDMI'
Components : 'HDA:10ec0888,10250142,00100202
HDA:11c11040,10250142,00100200 HDA:10de0006,10de0101,00100000'
Controls : 40
Simple ctrls : 22
Date: Tue Nov 2 19:05:05 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
LANG=ru_RU.UTF-8
SHELL=/bin/bash
SelectedCard: 0 Intel HDA-Intel - HDA Intel
SourcePackage: alsa-driver
Symptom: audio
Title: [Realtek ALC888] ALSA test tone not correctly played back
dmi.bios.date: 03/10/2009
dmi.bios.vendor: Acer
dmi.bios.version: v0.3636
dmi.board.name: Mammoth
dmi.board.vendor: Acer, Inc.
dmi.board.version: Not Applicable
dmi.chassis.type: 1
dmi.chassis.vendor: Acer, Inc.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAcer:bvrv0.3636:bd03/10/2009:svnAcer,inc.:pnAspire7730ZG:pvrNotApplicable:rvnAcer,Inc.:rnMammoth:rvrNotApplicable:cvnAcer,Inc.:ct1:cvrN/A:
dmi.product.name: Aspire 7730ZG
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer, inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
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acer 7730g no sound
https://bugs.launchpad.net/bugs/669900
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