Thank you for your bug report. Could you give the output of this command? $ ubuntu-drivers debug
** Changed in: software-properties (Ubuntu) Importance: Undecided => Low ** Changed in: software-properties (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to software-properties in Ubuntu. https://bugs.launchpad.net/bugs/1874819 Title: Cannot change display driver in Software & Updates Status in software-properties package in Ubuntu: Incomplete Bug description: Fresh 20.04 install: after changing from proprietary nvidia 440 driver to nouveau and restart, the Software & Updates does not allow me to change back to the proprietary drivers, as the buttons are now greyed out. Workaround: sudo ubuntu-drivers devices # shows available drivers sudo apt install nvidia-driver-440 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: software-properties-gtk 0.98.9 ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30 Uname: Linux 5.4.0-26-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Fri Apr 24 15:20:08 2020 ExecutablePath: /usr/bin/software-properties-gtk InstallationDate: Installed on 2020-04-24 (0 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) InterpreterPath: /usr/bin/python3.8 PackageArchitecture: all ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: N/A SourcePackage: software-properties UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1874819/+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