Please try: 1. Selecting 'Ubuntu on Wayland' from the login screen. Do you now get 4K modes offered in Settings?
2. Run: grep . /sys/class/drm/*/modes > kernel-modes.txt and then attach the resulting text file here. ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1893601 Title: 4k not working Status in linux package in Ubuntu: Incomplete Status in xorg-server package in Ubuntu: Incomplete Bug description: Windows 10 is working with 4k monitor, but not Ubuntu 20.04 LTS. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.8 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sun Aug 30 20:35:52 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu DkmsStatus: virtualbox, 6.1.10, 5.4.0-42-generic, x86_64: installed ExtraDebuggingInterest: No GraphicsCard: Intel Corporation HD Graphics 530 [8086:1912] (rev 06) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company HD Graphics 530 [103c:81b4] InstallationDate: Installed on 2020-08-28 (2 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 Device 002: ID 413c:2113 Dell Computer Corp. Dell KB216 Wired Keyboard Bus 001 Device 004: ID 8087:0aa7 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: HP 510-p114 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-5.4.0-42-generic root=UUID=906d29e9-4c50-43be-a8f5-2f6d9df94188 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/02/2016 dmi.bios.vendor: AMI dmi.bios.version: F.13 dmi.board.asset.tag: CNV6370S3L dmi.board.name: 81B4 dmi.board.vendor: HP dmi.board.version: 00 dmi.chassis.asset.tag: CNV6370S3L dmi.chassis.type: 3 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnAMI:bvrF.13:bd08/02/2016:svnHP:pn510-p114:pvr:rvnHP:rn81B4:rvr00:cvnHP:ct3:cvr: dmi.product.family: 103C_53316J G=D dmi.product.name: 510-p114 dmi.product.sku: X6F90AA#ABA dmi.sys.vendor: HP 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 2:1.20.8-2ubuntu2.2 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1893601/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp