Public bug reported:
I noticed that a new kernel was available and booted into it today,
after booting previous issues (display font size on login, and laptop
touchpad/trackpoint not working) were resolved.
However, my external monitor no longer displays in the settings, and
can't appear to be used.
I suspect the kernel update coincides with an nvidia driver update, but
haven't looked into that yet.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
BootLog: Error: [Errno 13] 許可がありません: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 25 09:29:55 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
GraphicsCard:
NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile] [10de:1c8c] (rev a1)
(prog-if 00 [VGA controller])
Subsystem: Lenovo GP107M [GeForce GTX 1050 Ti Mobile] [17aa:2266]
InstallationDate: Installed on 2020-09-08 (16 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: LENOVO 20MFCTO1WW
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ja_JP.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic
root=UUID=50c34368-0155-42cc-a9a9-5520bb25778a ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/08/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: N2EET49W (1.31 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20MFCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN2EET49W(1.31):bd07/08/2020:svnLENOVO:pn20MFCTO1WW:pvrThinkPadX1Extreme:rvnLENOVO:rn20MFCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X1 Extreme
dmi.product.name: 20MFCTO1WW
dmi.product.sku: LENOVO_MT_20MF_BU_Think_FM_ThinkPad X1 Extreme
dmi.product.version: ThinkPad X1 Extreme
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
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https://bugs.launchpad.net/bugs/1897189
Title:
External Monitor No Longer detected
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