A recent update has fixed it! 18.04 as released comes with kernel 4.15.0-20-generic, which has the bad video effect. Latest update (2/7/2018) includes 4.15.0-24-generic, which does not (it works perfectly).
Thanks for your interest! ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1777257 Title: Dell Inspiron 17r 5737 Ubuntu 18.04 Video Looks Very Strange Status in linux package in Ubuntu: Fix Released Bug description: 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 is fine, and unplugging the external monitor doesn't change anything. WORKAROUND: Use kernel parameter: nomodeset --- 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 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 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 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777257/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp