Public bug reported:

After software update on 17 June 2026, the current screen display only
support up to 640 x 480 (unable to change).

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 7.0.0-28.28~24.04.1-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.28.2-0ubuntu0.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: KDE
Date: Sun Jul 19 19:10:28 2026
DistUpgraded: Fresh install
DistroCodename: noble
DistroVariant: ubuntu
GraphicsCard:
 NVIDIA Corporation GP107 [GeForce GTX 1050] [10de:1c81] (rev a1) (prog-if 00 
[VGA controller])
   Subsystem: ZOTAC International (MCO) Ltd. GP107 [GeForce GTX 1050] 
[19da:2454]
InstallationDate: Installed on 2026-03-27 (114 days ago)
InstallationMedia: Ubuntu-Studio 24.04.4 LTS "Noble Numbat" - Release amd64 
(20260210)
MachineType: To be filled by O.E.M. To be filled by O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-28-generic 
root=UUID=2c00f0b9-eaef-4113-b402-9092f850deb0 ro quiet splash acpi=force 
apm=power_off reboot=pci preempt=full rcu_nocbs=all threadirqs vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/29/2021
dmi.bios.release: 4.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B75
dmi.board.vendor: INTEL Corporation
dmi.board.version: To be filled by O.E.M.
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.:bvr4.6.5:bd09/29/2021:br4.6:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnINTELCorporation:rnB75:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuTobefilledbyO.E.M.:pfaTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: To be filled by O.E.M.
dmi.product.sku: 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 N/A
version.libdrm2: libdrm2 2.4.125-1ubuntu0.1~24.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 25.2.8-0ubuntu0.24.04.2
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20210115-1build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.17-2ubuntu0.1

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug kubuntu noble resolution ubuntu

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https://bugs.launchpad.net/bugs/2161236

Title:
  Incorrect screen display resolution

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