[Bug 1874819] Re: Cannot change display driver in Software & Updates

[Christians]

** Description changed:

  Fresh 20.04 install: after changing from proprietary nvidia 440 driver
  to nouveau and restart, then 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
+  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)

** Description changed:

  Fresh 20.04 install: after changing from proprietary nvidia 440 driver
- to nouveau and restart, then the Software & Updates does not allow me to
+ 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)

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https://bugs.launchpad.net/bugs/1874819

Title:
  Cannot change display driver in Software & Updates

Status in software-properties package in Ubuntu:
  New

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)

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