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NO sound in speakers after laptop "sleep" - headphones OK
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Xywa
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PostPosted: Sun Sep 18, 2016 7:46 am    Post subject: NO sound in speakers after laptop "sleep" - headph Reply with quote

Hi,

After turning laptop into "sleep" mode, and then switching power on again - I have no sound on laptop speakers, but headphones works fine. I was trying reboot laptop with time, still the same.

Maybe I should rebuild any package?
Thanks for any ideas.
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Roman_Gruber
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PostPosted: Sun Sep 18, 2016 10:15 am    Post subject: Reply with quote

Sounds a bit stupid, Please check alsamixer and if any channels are muted. And please for every sound device including pulseaudio your hardware sound device (e.g. intel-hda for my notebook), ...
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Martux
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PostPosted: Tue Sep 20, 2016 11:52 am    Post subject: Reply with quote

OP, I am having the same problem here with my Skylake laptop. PA and alsa used. Sometimes I just have a "dummy output" device shown, sometimes the internal line is shown but I still have no sound coming from the speakers. Using KDE from the overlay and ~amd64 system.
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Ant P.
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PostPosted: Tue Sep 20, 2016 8:17 pm    Post subject: Reply with quote

That it's persisting over reboot suggests an ACPI/BIOS problem. Is the sound card still in lspci when that happens?
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Martux
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PostPosted: Tue Sep 20, 2016 8:31 pm    Post subject: Reply with quote

Ant P.: Oh, that's a good point. It's indeed not showing anymore:
Code:

00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)

There's very limited options in BIOS though. I actually suspected powertop, but even after disabling all the powersaving-optimizations, this keeps happening.
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Xywa
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PostPosted: Wed Sep 28, 2016 6:21 am    Post subject: Reply with quote

I switch on "BEEP" during BIOS restart, and this solve my problem. Strange anyway.
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