When having external monitor connected, you will see 3 displays in the Display utility
** Description changed: CID: 201202-10511 Dell Inspiron 5420 After boot to desktop, there will be an "Unknown" display work as an extended display on this system with 12.04.5 The problem with this issue is that you will be able to move the cursor out of your screen, even open an application on the extended display. Steps: 1. Install 12.04.5, boot to desktop with no external monitor connected - 2. Open the "Display" utilty, check whether there is an "Unknwon" display + 2. Open the "Display" utility, check whether there is an "Unknown" display Expected result: * There should be only a "Laptop" display Actual result: * An "Unknown" display available ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.13.0-32-generic 3.13.0-32.57~precise1 [modified: boot/vmlinuz-3.13.0-32-generic] ProcVersionSignature: Ubuntu 3.13.0-32.57~precise1-generic 3.13.11.4 Uname: Linux 3.13.0-32-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.6 Architecture: amd64 Date: Mon Aug 11 22:36:12 2014 InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807.1) MarkForUpload: True ProcEnviron: - TERM=xterm - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: linux-lts-trusty UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1355562 Title: [Dell Inspiron 5420] An "Unknown" display appears with no external display connected on 12.04.5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1355562/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
