** Description changed: Setup: Laptop + external monitor - Output set to be on external only - Test Case: - 1. Boot the system - - Actual result - After boot there is a purple screen but the login dialog is not displayed and the user cannot login - It is not possible to switch to the laptop internal monitor either with the keyboard function keys or by unplugging the cable. + On this machine, if an external display is attached it is considered as the primary display and it disabled the internal display. The all the output goes to the external display (including grub and boot messages) + But when gdm comes up, it considers the internal display as the primary display. + The internal display stays off and the login dialog in not visible. The external display is all purple and it is not possible to switch to the laptop internal monitor either with the keyboard function keys or by unplugging the cable. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gdm3 3.26.1-3ubuntu2 ProcVersionSignature: Ubuntu 4.13.0-15.16-generic 4.13.4 Uname: Linux 4.13.0-15-generic x86_64 ApportVersion: 2.20.7-0ubuntu2 Architecture: amd64 Date: Thu Oct 12 09:40:56 2017 InstallationDate: Installed on 2013-09-03 (1499 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130902) ProcEnviron: - TERM=linux - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=fr_FR.UTF-8 - SHELL=/bin/bash + TERM=linux + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=fr_FR.UTF-8 + SHELL=/bin/bash SourcePackage: gdm3 UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.gdm3.custom.conf: 2017-09-06T19:41:19.336760
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1723025 Title: no login screen when booting with an external monitor attached To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1723025/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
