To achieve the same effective resolution as 2560x1440, you can choose 3840x2160 and then set:
Fractional Scaling = On Scale = 150% -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-460 in Ubuntu. https://bugs.launchpad.net/bugs/1923437 Title: Can't add custom mode 2560x1440 after installing nvidia drivers Status in nvidia-graphics-drivers-460 package in Ubuntu: New Bug description: Hello ! I have 2 monitors 1) one is 4K 2) another one is FULLHD, when I installed lubuntu I had 4k monitor work at maximum 4k and another at fullhd , I want to change that 4k monitor to 2560x1440(2k). after install nvidia drivers there is no 2560x1440 resolution in "monitor settings" resolutions tab like it was before installing drivers. when trying to add it manually from xrandr, at some point it gives me that error: X Error of failed request: BadName (named color or font does not exist) Major opcode of failed request: 140 (RANDR) Minor opcode of failed request: 16 (RRCreateMode) Serial number of failed request: 35 Current serial number in output stream: 35 in short , I can't set monitor to 2560x1440. what it might be ? -------------------------------------------------------------------------- 1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu Description: Ubuntu Hirsute Hippo (development branch) Release: 21.04 2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center Unable to locate package pkgname 3) What you expected to happen have 2560x1440 resolution option after installing nvidia driver 4) What happened instead have no 2560x1440 listed in "monitor settings" and can't even create it manually from xrandr commands Best Regard ! ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: xorg 1:7.7+22ubuntu1 ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7 Uname: Linux 5.11.0-13-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.driver.nvidia.capabilities.gpu0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/capabilities/gpu0' .proc.driver.nvidia.capabilities.mig: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/capabilities/mig' .proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0000:01:00.0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.suspend: suspend hibernate resume .proc.driver.nvidia.suspend_depth: default modeset uvm .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 460.67 Thu Mar 11 00:11:45 UTC 2021 GCC version: gcc version 10.3.0 (Ubuntu 10.3.0-1ubuntu1) ApportVersion: 2.20.11-0ubuntu62 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: unknown CompositorRunning: None CurrentDesktop: LXQt Date: Mon Apr 12 14:07:34 2021 DistUpgraded: Fresh install DistroCodename: hirsute DistroVariant: ubuntu DkmsStatus: nvidia, 460.67, 5.11.0-13-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: NVIDIA Corporation GP107 [GeForce GTX 1050] [10de:1c81] (rev a1) (prog-if 00 [VGA controller]) Subsystem: eVga.com. Corp. GP107 [GeForce GTX 1050] [3842:6150] InstallationDate: Installed on 2021-04-12 (0 days ago) InstallationMedia: Lubuntu 21.04 "Hirsute Hippo" - Beta amd64 (20210331) MachineType: ASUS All Series ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.11.0-13-generic root=UUID=acd8d9c8-3bd0-4c68-9a02-19818e4cf3c3 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/05/2017 dmi.bios.release: 5.11 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3802 dmi.board.asset.tag: Default string dmi.board.name: X99-DELUXE dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3802:bd09/05/2017:br5.11:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnX99-DELUXE:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: ASUS MB dmi.product.name: All Series dmi.product.sku: All dmi.product.version: System Version dmi.sys.vendor: ASUS version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.104-1build1 version.libgl1-mesa-dri: libgl1-mesa-dri 21.0.1-2 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.10-3ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200714-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460/+bug/1923437/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
