Public bug reported:
I like to have dual boot so I installed Windows 10 on my laptop ASUS A541s
(also known as A541sa). Everything works OK.
Then I just installed Kubuntu 17.04 x64 (Spanish language) on it and
after some restarts today, suddenly it got not sounds. The live CD
session had sounds, though (also, the first times I started the
installed Kubuntu 17.04 I had sounds as normally).
Now in Preferencias del sistema --> Multimedia --> Volumen del sonido,
the slide bar is at the left, and when I try to move it to the right (to
gain sound volume) it automatically goes to the left for itself. Also
the speaker button on such window of Volumen del sonido it has a red
hyphen on it (showing sound it's muted) but I can't get rid off it when
clicking on it. I attach an screenshot.
However the Volume control at the system tray shows as normally and its
slide bar moves OK (but there is not sounds).
To restart the OS doesn't help, neither to play with the sound options,
etc.
Indeed this is not the first time I get such sound problem with Ubuntu
and not only with KDE. With the previous Kubuntu 16.10 I had the same
problem, but the sound was just fine when trying Fedora 25 (GNOME
version).
I also have tried (live session) Xubuntu 17.04 (some times I get not
sound other times sound works OK), and also Ubuntu MATE 17.04 (most
times the sound works OK, while the few times I suddenly lost the sound
restarting the system makes it to work again).
As per my experience, IMHO the most prone desktop environment to lose
sound it's KDE, and I don't know how to recover it. XFCE loses sound
some times. The sound on MATE (or GNOME) DE works fine most times and to
restart the system recovers the sound if needed.
The battery light of the laptop some times starts white-blinking in
cycles of four times which repeats again and again until I restart the
laptop (this happened to me in KDE, XFCE and MATE, and with or without
sound).
Thanks in advance, because I prefer Linux over Windows and Ubuntu with
KDE are my favorite Linux choices since years ago.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: ubuntu-release-upgrader-core 1:17.04.7
ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8
Uname: Linux 4.10.0-19-generic x86_64
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Wed Apr 19 18:33:46 2017
InstallationDate: Installed on 2017-04-19 (0 days ago)
InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade zesty
** Attachment added: "Screenshot_20170419_184327.png"
https://bugs.launchpad.net/bugs/1684244/+attachment/4865026/+files/Screenshot_20170419_184327.png
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https://bugs.launchpad.net/bugs/1684244
Title:
No sounds with Kubuntu 17.04 on ASUS A541s
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