Public bug reported:
The default resolution of my external monitor is 4K UHD (3840 ⨉ 2160). I
set its resolution to a lower value (2560 ⨉ 1440). The external monitor
is attached to a laptop. When I close the laptop lid, the built-in
display is turned off, which is desired, however, the external monitor
goes back to its default resolution (3840 ⨉ 2160), which is not desired.
When I open back the lid, the built-in display is turned on, and the
external monitor resolution stays with the default value (3840 ⨉ 2160),
which is also not desired.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: mutter 3.36.3-0ubuntu0.20.04.1
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Jul 24 08:56:58 2020
InstallationDate: Installed on 2020-04-26 (88 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1888800
Title:
Resolution of external monitor goes back to its default resolution
when laptop lid is closed
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