Merlin: 1) For you personally with your hardware, what was the most recent kernel/release where this issue did not happen?
2) As per the sticker of the monitor itself (not from the Bug Description, or the result of a terminal command), could you please provide the full manufacturer and model? 3) How are you connecting the laptop to the monitor, via straight HDMI cord, adapter/dongle, etc.? ** Tags added: bios-outdated-a10 ** Tags added: regression-release ** Description changed: - When booting 18.04 on my Dell 5737 I am greeted with an image like the - attached. The colours are clearly incorrect and the display looks to be - of low resolution. This is true whether booting from a fresh - distribution copy on a memory stick or the subsequent patched install. + When booting 18.04 on my Dell 5737 built-in screen the colours are incorrect and the display looks to be of low resolution. This is true whether booting from a fresh distribution copy on a memory stick or the subsequent patched install. A screenshot: + https://launchpadlibrarian.net/374791190/2018-06-16%2016.46.54.jpg + The image on an external monitor appears unaffected. - This looks like a reappearance of - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1300349 and - https://ubuntuforums.org/showthread.php?t=2204287 Someone else appears - to have the same issue on a similar machine: - https://askubuntu.com/questions/1036968/no-red-color-on-screen-after- - installing-18-04-on-dell-inspiron-3737/1047143#1047143 + WORKAROUND: Use kernel parameter: + nomodeset - Adding "nomodeset" does make the machine usable but obviously isn't - ideal. - - "lsb_release -rd" gives Ubuntu 18.04 LTS release 18.04. - --- + --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: merlin 1635 F.... pulseaudio - /dev/snd/controlC1: merlin 1635 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: merlin 1635 F.... pulseaudio + /dev/snd/controlC1: merlin 1635 F.... pulseaudio CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-04-28 (52 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) MachineType: Dell Inc. Inspiron 5737 Package: linux (not installed) ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=en_GB.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=en_GB.UTF-8 + SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-23-generic root=UUID=649ad923-d0b7-420a-a0e8-c5753dea246c ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 RelatedPackageVersions: - linux-restricted-modules-4.15.0-23-generic N/A - linux-backports-modules-4.15.0-23-generic N/A - linux-firmware 1.173.1 + linux-restricted-modules-4.15.0-23-generic N/A + linux-backports-modules-4.15.0-23-generic N/A + linux-firmware 1.173.1 Tags: bionic Uname: Linux 4.15.0-23-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 08/25/2016 dmi.bios.vendor: Dell Inc. dmi.bios.version: A09 dmi.board.name: 0V3MXK dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A09 dmi.modalias: dmi:bvnDellInc.:bvrA09:bd08/25/2016:svnDellInc.:pnInspiron5737:pvrA09:rvnDellInc.:rn0V3MXK:rvrA00:cvnDellInc.:ct8:cvrA09: dmi.product.family: 00 dmi.product.name: Inspiron 5737 dmi.product.version: A09 dmi.sys.vendor: Dell Inc. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777257 Title: Dell Inspiron 17r 5737 Ubuntu 18.04 Video Looks Very Strange To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777257/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
