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When I start up the laptop, I first see the Ubuntu 26.04 boot screen,
then it disappears and the primary (built-in) screen remains black. In
the background, Ubuntu starts up normally. When a second monitor is
connected, you can see that it works. To “wake up” the primary screen, I
have to briefly close the laptop. After opening it, it works without any
issues. I’ve attached a GPU log file that clearly shows the link fails
during Ubuntu startup. I’ve already performed a clean install, but it
didn’t help. Everything worked perfectly with Ubuntu 24 LTS and 25.10.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun May 3 10:37:26 2026
InstallationDate: Installed on 2026-04-30 (2 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
ProcEnviron:
LANG=de_DE.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug freeze resolute wayland-session
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Wayland black screen
https://bugs.launchpad.net/bugs/2150832
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