You don't seem to have a kernel driver loaded for the Nvidia GPU, so any
ports attached to that GPU (like HDMI usually is) won't be usable.
This can happen if the Nvidia driver was installed and compiled for the
old kernel version but somehow failed to rebuilt for the new kernel
version.
Please try using the 'Additional Drivers' app to reinstall the Nvidia
driver and tell us what version it is.
** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers (Ubuntu)
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New => Incomplete
** Summary changed:
- External Monitor No Longer detected
+ [nvidia] External Monitor No Longer detected
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1897189
Title:
[nvidia] External Monitor No Longer detected
Status in nvidia-graphics-drivers package in Ubuntu:
Incomplete
Bug description:
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
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