Public bug reported:
I have a laptop that I use as a desktop, keeping it closed.
After I disconnect both the HDMI monitor and USB keywords and mouse
(both connected through an external USB hub) and then connect all of
them together, the monitor (with the Gnome unlock screen) does not light
up.
Workaround: Mechanically open and close back my laptop.
Note that while disconnected from the laptop, I usually connect these
devices to another PC.
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: gnome-common (not installed)
ProcVersionSignature: Ubuntu 6.14.0-29.29-generic 6.14.8
Uname: Linux 6.14.0-29-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 18 22:32:53 2025
InstallationDate: Installed on 2024-04-20 (516 days ago)
InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64
(20240220)
SourcePackage: gnome-common
UpgradeStatus: Upgraded to plucky on 2025-08-30 (19 days ago)
** Affects: gnome-common (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug plucky wayland-session
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https://bugs.launchpad.net/bugs/2125153
Title:
No display after disconnecting and commecting a monitor
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