Raymond, here are the output of hda-jack-sense-test -a with no external mic in the mic jack
$ sudo hda-jack-sense-test -a Pin 0x03 (Unknown Digital Out): present = No And now with the mic plugged in the mic jack: $ sudo hda-jack-sense-test -a Pin 0x03 (Unknown Digital Out): present = No There is no change! What does this mean? Thanks. -- 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/1245020 Title: [Acer AO722] Internal microphone don't work Status in “alsa-driver” package in Ubuntu: New Bug description: The "Mic Boost" setting in Alsamixer reverts to zero after each boot and the microphone stops working until alsamixer setting is changed again. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-12-generic 3.11.0-12.19 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic i686 NonfreeKernelModules: fglrx ApportVersion: 2.12.5-0ubuntu2.1 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: sushenjit 2368 F.... pulseaudio /dev/snd/pcmC1D0p: sushenjit 2368 F...m pulseaudio /dev/snd/controlC0: sushenjit 2368 F.... pulseaudio Date: Sat Oct 26 13:13:55 2013 HibernationDevice: RESUME=UUID=67e8714a-d8e0-422e-b9fb-f41ebf64d499 InstallationDate: Installed on 2012-05-20 (524 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) Lsusb: Bus 002 Device 004: ID 04f2:b209 Chicony Electronics Co., Ltd Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Acer AO722 MarkForUpload: True ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=b42fc94e-bbb7-444d-a5e8-25218dfc4101 ro elevator=noop quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.11.0-12-generic N/A linux-backports-modules-3.11.0-12-generic N/A linux-firmware 1.116 SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-10-23 (3 days ago) dmi.bios.date: 12/06/2011 dmi.bios.vendor: Acer dmi.bios.version: V1.08 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: JE10-BZ dmi.board.vendor: Acer dmi.board.version: Base Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.08 dmi.modalias: dmi:bvnAcer:bvrV1.08:bd12/06/2011:svnAcer:pnAO722:pvrV1.08:rvnAcer:rnJE10-BZ:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.08: dmi.product.name: AO722 dmi.product.version: V1.08 dmi.sys.vendor: Acer --- ApportVersion: 2.12.5-0ubuntu2.1 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: sushenjit 2437 F.... pulseaudio /dev/snd/pcmC1D0p: sushenjit 2437 F...m pulseaudio /dev/snd/controlC0: sushenjit 2437 F.... pulseaudio DistroRelease: Ubuntu 13.10 HibernationDevice: RESUME=UUID=67e8714a-d8e0-422e-b9fb-f41ebf64d499 InstallationDate: Installed on 2012-05-20 (527 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) Lsusb: Bus 002 Device 002: ID 04f2:b209 Chicony Electronics Co., Ltd Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Acer AO722 MarkForUpload: True NonfreeKernelModules: fglrx Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=b42fc94e-bbb7-444d-a5e8-25218dfc4101 ro elevator=noop quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 RelatedPackageVersions: linux-restricted-modules-3.11.0-12-generic N/A linux-backports-modules-3.11.0-12-generic N/A linux-firmware 1.116 Tags: saucy Uname: Linux 3.11.0-12-generic i686 UpgradeStatus: Upgraded to saucy on 2013-10-23 (6 days ago) UserGroups: adm cdrom dip disk lpadmin plugdev sambashare sudo WifiSyslog: Oct 29 07:41:58 Arthur NetworkManager[1048]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted dmi.bios.date: 09/25/2012 dmi.bios.vendor: Acer dmi.bios.version: V1.11 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: JE10-BZ dmi.board.vendor: Acer dmi.board.version: Base Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.11 dmi.modalias: dmi:bvnAcer:bvrV1.11:bd09/25/2012:svnAcer:pnAO722:pvrV1.11:rvnAcer:rnJE10-BZ:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.11: dmi.product.name: AO722 dmi.product.version: V1.11 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1245020/+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