Thank you for your bug report, could you look in /var/log/dpkg.log what
was updated? Could you try to start a previous kernel from the boot menu
see if that makes a difference?
** Tags added: bionic
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1877542
Title:
Ubuntu 18.04.4 Inspiron 5379 No sound ALC3253 alsa-driver
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
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
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