Hi all,

After the very last update of KDE neon i noticed my volume was greyed out and no option were given from system settings/multimedia.
I tried to remove and re-install pulseaudio but still no sound at all.

this is what i have: lspci -k

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00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
        Subsystem: Intel Corporation 2nd Generation Core Processor Family DRAM Controller
        Kernel driver in use: snb_uncore
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
        Kernel driver in use: pcieport
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
        Subsystem: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller
        Kernel driver in use: mei_me
        Kernel modules: mei_me
00:19.0 Ethernet controller: Intel Corporation 82579V Gigabit Network Connection (rev 05)
        DeviceName: Intel(R) 82579V Gigabit Network Device
        Subsystem: Intel Corporation 82579V Gigabit Network Connection
        Kernel driver in use: e1000e
        Kernel modules: e1000e
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
        Subsystem: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller
        Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
        DeviceName: Intel(R) High Definition Audio Device
        Subsystem: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
        Kernel driver in use: pcieport
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)
        Kernel driver in use: pcieport
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5)
        Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
        Subsystem: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller
        Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation H61 Express Chipset LPC Controller (rev 05)
        Subsystem: Intel Corporation H61 Express Chipset LPC Controller
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller (rev 05)
        Subsystem: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller
        Kernel driver in use: ahci
        Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
        Subsystem: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
01:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 710] (rev a1)
        Subsystem: Gigabyte Technology Co., Ltd GK208B [GeForce GT 710]
        Kernel driver in use: nvidia
        Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
01:00.1 Audio device: NVIDIA Corporation GK208 HDMI/DP Audio Controller (rev a1)
        Subsystem: Gigabyte Technology Co., Ltd GK208 HDMI/DP Audio Controller
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
02:00.0 PCI bridge: Integrated Technology Express, Inc. IT8892E PCIe to PCI Bridge (rev 10)
04:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9172 SATA 6Gb/s Controller (rev 11)
        Subsystem: Intel Corporation 88SE9172 SATA 6Gb/s Controller
        Kernel driver in use: ahci
        Kernel modules: ahci
05:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03)
        Subsystem: Intel Corporation uPD720200 USB 3.0 Host Controller
        Kernel driver in use: xhci_hcd


Then I tried: aplay -l

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**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 1: ALC892 Digital [ALC892 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


Any ideas or advices?

I followed the instructions on this post.
Now works fine!

viewtopic.php?f=309&t=167390