Public bug reported:
Hello,
After last general update sound stops working on all interfaces. speakers,
headphones nor HDMI provide any sound output even bluetooth headphones can't be
connected.
It seems that interface is connected to HDMI
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC3253 Analog [ALC3253 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "alsa-info.txt"
https://bugs.launchpad.net/bugs/1877542/+attachment/5368233/+files/alsa-info.txt
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https://bugs.launchpad.net/bugs/1877542
Title:
Ubuntu 18.04 No sound ALC3253 alsa-driver
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