Ubuntu No Audio After Hibernate

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suspend - No sound after sleep - Ubuntu 20.04 - Ask Ubuntu

https://askubuntu.com/questions/1234807/no-sound-after-sleep-ubuntu-20-04

I have a Xioami notebook pro laptop on Ubuntu 20.04 (same issue on 18.04). After the laptop goes in sleep/hibernate mode, there is no sound that comes out of the speakers. The system settings (settings>sounds) are detecting music is being played and the headphones are working fine after sleep.

[ubuntu] [SOLVED] No Sound on resume from hibernation …

https://ubuntuforums.org/showthread.php?t=1249885

Once I got the sound working on a MBP 5,3 by compiling the updated alsa modules, I found that sound no longer works after hibernation. Alsa needs to be suspended. I installed this code sudo gedit /etc/pm/sleep.d/45sound #!/bin/bash

audio - Ubuntu sound not working after sleep/suspend ...

https://unix.stackexchange.com/questions/134415/ubuntu-sound-not-working-after-sleep-suspend

Whenever I sleep my laptop I mean if I down the flap sound doesn't work, every time i have to restart my laptop for sound to make working. Fo instance right now sound is not working (since I closed the flap few minutes back.) so I check sound app and in output tab its showing. Speakers Built-in Audio. but still I can't hear the output sound.

How to Hibernate in Ubuntu - LinuxPip

https://linuxpip.org/ubuntu-hibernate/

Ubuntu Linux has been prevented users from moving their computers into hibernation mode for a while. In many cases, people do not use Hibernate because it doesn't work or they prefer to suspend instead. Even though Ubuntu's Hibernate mode isn't nearly as popular as Suspend, it's still useful.

Ubuntu 20.04 'no signal' after monitor sleep or monitor ...

https://forums.developer.nvidia.com/t/ubuntu-20-04-no-signal-after-monitor-sleep-or-monitor-turned-off/180056

Great solution! I had exactly the same problems with a Philips 288E2 4K monitor and a GT 1030 card. The monitor would not wake up from sleep mode. I could not install the 450-server drivers in ubuntu 20.04, but with ubuntu 21.04 it worked and the monitor again wakes up after sleep as it should.

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