That's because "nomodeset" is in your kernel parameter. -- 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/1794836
Title: Update from 16.04 to 18.04 and serious screen lagging problems Status in linux package in Ubuntu: Confirmed Bug description: I have upgraded from Ubuntu 16.04 to ubuntu 18.04, and the refreshing of the screen in browsers, videos, etc... is really annoying. I would like to solve this problem since this is provoking me constant headache --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC1D0c: julia 3959 F...m pulseaudio /dev/snd/pcmC1D0p: julia 3959 F...m pulseaudio /dev/snd/controlC1: julia 3959 F.... pulseaudio CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=UUID=3bf717b5-f3c2-45da-9ec8-5926c846f3ea InstallationDate: Installed on 2014-09-30 (1458 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: Gigabyte Technology Co., Ltd. H81M-D2V Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=es_ES.UTF-8 SHELL=/bin/bash ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-34-generic root=UUID=34beca2c-8810-4dea-81c4-ea789864bd2f ro nomodeset quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-34-generic N/A linux-backports-modules-4.15.0-34-generic N/A linux-firmware 1.173.1 RfKill: Tags: bionic Uname: Linux 4.15.0-34-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 06/25/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: FB dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: H81M-D2V dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrFB:bd06/25/2014:svnGigabyteTechnologyCo.,Ltd.:pnH81M-D2V:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH81M-D2V:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: H81M-D2V dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794836/+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
