It appears the Nvidia driver is somehow not installed properly. Xorg is using software rendering instead of the Nvidia driver on this machine. That's also why it doesn't support the HDMI connector.
Try uninstalling and reinstalling the Nvidia driver. Also check to see if you have any custom Xorg config files that might cause the Nvidia driver to not get loaded. ** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-340 (Ubuntu) ** Summary changed: - HDMI not recognized after upgrading from 18.04 to 20.04.3 + Nvidia 340 Xorg driver is installed but not loaded -- 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/1946987 Title: Nvidia 340 Xorg driver is installed but not loaded Status in nvidia-graphics-drivers-340 package in Ubuntu: New Bug description: I tried both nouveau and nvidia-340 deivers. It used to work at least by the latter one in Xubuntu 18.04, even with HWE kernel When using the nvidia-340 driver: $ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 1920 x 1200, current 1920 x 1200, maximum 1920 x 1200 default connected 1920x1200+0+0 0mm x 0mm 1920x1200 77.00* A device is connected in HDMI and xrand does not even list the connector. When using nouveau, HDMI is listed but it shows as disconnected. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-88.99-generic 5.4.140 Uname: Linux 5.4.0-88-generic x86_64 NonfreeKernelModules: nvidia .proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file. .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 340.108 Wed Dec 11 11:06:58 PST 2019 GCC version: gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04) .proc.driver.nvidia.warnings.fbdev: Your system is not currently configured to drive a VGA console on the primary VGA device. The NVIDIA Linux graphics driver requires the use of a text-mode VGA console. Use of other console drivers including, but not limited to, vesafb, may result in corruption and stability problems, and is not supported. ApportVersion: 2.20.11-0ubuntu27.20 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: XFCE Date: Wed Oct 13 16:27:00 2021 DistUpgraded: 2021-10-13 15:24:05,135 DEBUG Running PostInstallScript: '/usr/lib/ubuntu-advantage/upgrade_lts_contract.py' DistroCodename: focal DistroVariant: ubuntu DkmsStatus: nvidia-340, 340.108, 5.4.0-88-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation G84GLM [Quadro FX 570M] [10de:040c] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company G84GLM [Quadro FX 570M] [103c:30c5] InstallationDate: Installed on 2019-05-08 (888 days ago) InstallationMedia: Xubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-88-generic root=UUID=dd272475-45e5-4fca-b9ab-1b1f3f3015bd ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to focal on 2021-10-13 (0 days ago) dmi.bios.date: 12/01/2011 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68MVD Ver. F.20 dmi.board.name: 30C5 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 71.36 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68MVDVer.F.20:bd12/01/2011:svnHewlett-Packard:pn:pvrF.20:rvnHewlett-Packard:rn30C5:rvrKBCVersion71.36:cvnHewlett-Packard:ct10:cvr: dmi.product.family: 103C_5336AN dmi.product.version: F.20 dmi.sys.vendor: Hewlett-Packard nvidia-settings: ERROR: Unable to load info from any available system ERROR: Unable to load info from any available system version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.105-3~20.04.2 version.libgl1-mesa-dri: libgl1-mesa-dri 21.0.3-0ubuntu0.3~20.04.3 version.libgl1-mesa-glx: libgl1-mesa-glx 21.0.3-0ubuntu0.3~20.04.3 version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.11-1ubuntu1~20.04.2 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/nvidia-graphics-drivers-340/+bug/1946987/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
