Public bug reported:
both built-in and external microphone is not working, my laptop is acer
aspire 4520
ProblemType: Bug
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: vrb658 1581 F.... pulseaudio
/dev/snd/pcmC0D0c: vrb658 1581 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xf4480000 irq 19'
Mixer name : 'Realtek ALC268'
Components : 'HDA:10ec0268,10250127,00100003
HDA:11c11040,10250127,00100200'
Controls : 22
Simple ctrls : 13
CheckboxCommand: alsa_record_playback
CheckboxDescription:
Connect a microphone to your microphone port. Click the Test button, then
speak into the microphone. After a few seconds, your speech will be played back
to you.
Did you hear your speech played back?
CheckboxSubmission: 8303a4a9542457d7dc92d5189687ea1f
CheckboxSystem: 55ba142b3b792c71cc61171c782c3b13
CheckboxTest: alsa_record_playback_external
Date: Wed Nov 11 21:54:36 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
SHELL=/bin/bash
LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: alsa-driver
Tags: checkbox-bug
Uname: Linux 2.6.31-14-generic x86_64
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug checkbox-bug
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microphone is not working
https://bugs.launchpad.net/bugs/480854
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