Public bug reported: This bug has been around since 16.04 and still occurs with 18.04 when using nvidia drivers. When update required for the OS the black screen situation happens after the required reboot. Only way to regain desktop is to login via ssh terminal and run the commands listed here:
https://askubuntu.com/questions/1129516/black-screen-at-boot-after- nvidia-driver-installation-on-ubuntu-18-04-2-lts sudo apt-get update sudo apt-get upgrade sudo apt-get purge nvidia* sudo apt autoremove sudo apt-get install dkms build-essential linux-headers-$(uname -r) echo "# Disable the default Nouveau kernel driver" | sudo tee -a /etc/modprobe.d/blacklist-nouveau.conf echo "# -----------------------------------------" | sudo tee -a /etc/modprobe.d/blacklist-nouveau.conf echo "blacklist nouveau" | sudo tee -a /etc/modprobe.d/blacklist- nouveau.conf echo "blacklist lbm-nouveau" | sudo tee -a /etc/modprobe.d/blacklist- nouveau.conf echo "options nouveau modeset=0" | sudo tee -a /etc/modprobe.d /blacklist-nouveau.conf echo "alias nouveau off" | sudo tee -a /etc/modprobe.d/blacklist- nouveau.conf echo "alias lbm-nouveau off" | sudo tee -a /etc/modprobe.d/blacklist- nouveau.conf cat /etc/modprobe.d/blacklist-nouveau.conf echo "options nouveau modeset=0" | sudo tee -a /etc/modprobe.d/nouveau- kms.conf cat /etc/modprobe.d/nouveau-kms.conf sudo update-initramfs -u sudo service lightdm stop sudo apt-get install nvidia-driver-440 lsmod | grep nvidia sudo lshw -c video | grep 'configuration' sudo reboot ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7.1 ProcVersionSignature: Ubuntu 4.15.0-101.102-generic 4.15.18 Uname: Linux 4.15.0-101-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.14 Architecture: amd64 BootLog: CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' Date: Mon May 18 08:44:05 2020 DistUpgraded: 2019-12-17 11:35:32,743 DEBUG icon theme changed, re-reading DistroCodename: bionic DistroVariant: ubuntu DkmsStatus: bbswitch, 0.8, 4.15.0-101-generic, x86_64: installedError! Could not locate dkms.conf file. File: does not exist. bbswitch, 0.8, 4.15.0-99-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: Subsystem: ASRock Incorporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller [1849:22b1] NVIDIA Corporation GK208 [GeForce GT 630 Rev. 2] [10de:1284] (rev a1) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. GK208 [GeForce GT 630 Rev. 2] [1043:846a] InstallationDate: Installed on 2019-09-26 (234 days ago) InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190227) MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-101-generic root=UUID=89ea4739-64a1-4200-9626-c597e9d5a485 ro quiet splash vt.handoff=1 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to bionic on 2019-12-17 (152 days ago) dmi.bios.date: 02/27/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.50 dmi.board.name: N3150M dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd02/27/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnN3150M:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1 version.libdrm2: libdrm2 2.4.99-1ubuntu1~18.04.2 version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.8-0ubuntu0~18.04.3 version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.8-0ubuntu0~18.04.3 version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Wed Apr 29 07:15:33 2020 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.19.6-1ubuntu4.4 ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879333 Title: Black screen on loading latest system update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1879333/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
