[Bug 1573345] Re: Dual monitor loses settings after screen sleep

Christopher Harper 1573345 at bugs.launchpad.net
Tue Feb 9 02:34:08 UTC 2021


Confirmed I have the same bug, and the same sound issues as Jeff.m
@vsteel.

1. LG UltraGear (DP-2)
 - After sleep, this one goes away. Display properties -> Enable brings it back.
 - Sound goes to this monitor, but doesn't work?!
2. E2742 (DVI-D-0)
 - After sleep, only monitor that works.

Workarounds:
* Display Properties, Dropdown to LG Ultragear, Enable. Brings it back.
* Audio is much harder. Only thing I could find that re-enables it is HDAJackRetask. For some reason, the OS 'forgets' that I have 5.1 speakers on Realtek ALCS1200A codec, and only goes to the NVidia GPU 83 HDMI/DP.

Gets annoying to apply after every time my system goes to sleep. :/

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https://bugs.launchpad.net/bugs/1573345

Title:
  Dual monitor loses settings after screen sleep

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