Internal speakers work, only having trouble with the headphone output, (I have had this problem in every distrobution I´ve tried)
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC2D0c: yoyo 1917 F...m pulseaudio
/dev/snd/pcmC0D1p: yoyo 1917 F...m pulseaudio
/dev/snd/controlC0: yoyo 1917 F.... pulseaudio
/dev/snd/controlC1: yoyo 1917 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sun Mar 10 18:44:38 2019
EcryptfsInUse: Yes
InstallationDate: Installed on 2019-03-10 (0 days ago)
InstallationMedia: Ubuntu 14.04.5 LTS "Trusty Tahr" - Release amd64+mac (20160803)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Headphone Out, N/A
Symptom_Type: No sound at all
Title: [iMac12,1, Cirrus Logic CS4206, Green Headphone Out, N/A] No sound at all
UpgradeStatus: Upgraded to bionic on 2019-03-10 (0 days ago)
dmi.bios.date: 09/25/2018
dmi.bios.vendor: Apple Inc.
dmi.bios.version: 82.0.0.0.0
dmi.board.name: Mac-942B5BF58194151B
dmi.board.vendor: Apple Inc.
dmi.chassis.type: 13
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-942B5BF58194151B
dmi.modalias: dmi:bvnAppleInc.:bvr82.0.0.0.0:bd09/25/2018:svnAppleInc.:pniMac12,1:pvr1.0:rvnAppleInc.:rnMac-942B5BF58194151B:rvr:cvnAppleInc.:ct13:cvrMac-942B5BF58194151B:
dmi.product.family: iMac
dmi.product.name: iMac12,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
Thanks for helping build a better Ubuntu. Could you run the following command in the terminal?
$ sudo apt-get install --install-
Restart your computer, and tell us if it works now.
Thanks.