Public bug reported:
For some week my external monitor does not work anymore. In gnome-
settings in displays, I have no second display available.
The kernel shows on start-up:
```
kernel: NovaCore 0000:01:00.0: Unsupported chipset: boot42 = 0x117a2031
(architecture 0x11, implementation 0x7)
```
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-generic 6.19.0-3.3
ProcVersionSignature: Ubuntu 6.19.0-3.3-generic 6.19.0-rc6
Uname: Linux 6.19.0-3-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sommer 3105 F.... wireplumber
/dev/snd/controlC1: sommer 3105 F.... wireplumber
/dev/snd/seq: sommer 3096 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 10 12:17:36 2026
InstallationDate: Installed on 2023-04-24 (1023 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
IwDevWlp4s0Link: Not connected.
MachineType: LENOVO 20EQS6LJ00
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.19.0-3-generic
root=/dev/mapper/vgubuntu-root ro quiet systemd.show_status=auto panic=10
mitigations=off kaslr pti=on slab_nomerge page_poison=1 slub_debug=FPZ
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20260108.gitd86b47f7-0ubuntu1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/18/2024
dmi.bios.release: 1.75
dmi.bios.vendor: LENOVO
dmi.bios.version: N1EETA2W (1.75 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20EQS6LJ00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.18
dmi.modalias:
dmi:bvnLENOVO:bvrN1EETA2W(1.75):bd03/18/2024:br1.75:efr1.18:svnLENOVO:pn20EQS6LJ00:pvrThinkPadP50:rvnLENOVO:rn20EQS6LJ00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20EQ_BU_Think_FM_ThinkPadP50:
dmi.product.family: ThinkPad P50
dmi.product.name: 20EQS6LJ00
dmi.product.sku: LENOVO_MT_20EQ_BU_Think_FM_ThinkPad P50
dmi.product.version: ThinkPad P50
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
--
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https://bugs.launchpad.net/bugs/2141416
Title:
External monitor no longer detected (nvidia)
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