Can you explain what you are trying to use for sound? Is it with headphones?
Also, can you please try booting 18.04 and tell us if that has working sound? http://releases.ubuntu.com/18.04/ ** Package changed: xorg (Ubuntu) => pulseaudio (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1814554 Title: son Status in pulseaudio package in Ubuntu: Incomplete Bug description: le son ne fonctionne pas je ne peux pas écouter une vidéo ou un live ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3.1 ProcVersionSignature: Ubuntu 4.13.0-1028.31-oem 4.13.16 Uname: Linux 4.13.0-1028-oem x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Mon Feb 4 16:48:16 2019 DistUpgraded: Fresh install DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-osp1-20171027-1 DistroCodename: xenial DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation Device [8086:3e9b] (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:0885] InstallationDate: Installed on 2019-01-21 (14 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20171027-10:57 MachineType: Dell Inc. G3 3579 ProcEnviron: LANGUAGE=fr_FR PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-1028-oem.efi.signed root=UUID=20a56de0-6162-4a7f-b0ba-a98f17fcec10 ro acpi_osi=Linux-Dell-Video quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/01/2018 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.5.1 dmi.board.name: 00FK8Y dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.5.1:bd11/01/2018:svnDellInc.:pnG33579:pvr:rvnDellInc.:rn00FK8Y:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: GSeries dmi.product.name: G3 3579 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.91-2~16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1 version.xserver-xorg-core: xserver-xorg-core N/A version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1814554/+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