FWIW this might be relevant: ~$ sudo apt install gnome-control-center Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:
The following packages have unmet dependencies. gnome-control-center : Depends: colord (>= 0.1.30) E: Unable to correct problems, you have held broken packages. ~$ sudo apt install colord Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies. colord : Depends: libsane (>= 1.0.24) E: Unable to correct problems, you have held broken packages. ~$ sudo apt install libsane Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies. libsane : Depends: libsnmp35 (>= 5.8+dfsg) but it is not going to be installed E: Unable to correct problems, you have held broken packages. ~$ sudo apt install libsnmp35 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies. libsnmp35 : Depends: libsensors5 (>= 1:3.5.0) but it is not going to be installed E: Unable to correct problems, you have held broken packages. ~$ sudo apt install libsensors5 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies. libsensors5 : Depends: libsensors-config but it is not going to be installed E: Unable to correct problems, you have held broken packages. ~$ sudo apt install libsensors-config Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: aglfn ca-certificates-java default-jre-headless dus fprintd gir1.2-accountsservice-1.0 gir1.2-gck-1 gir1.2-gcr-3 gir1.2-gdm-1.0 gir1.2-geoclue-2.0 gir1.2-gnomebluetooth-1.0 gir1.2-gweather-3.0 gir1.2-nm-1.0 gir1.2-nma-1.0 gir1.2-totemplparser-1.0 gir1.2-upowerglib-1.0 gnome-todo-common gnuplot-tex gnuplot5-data grilo-plugins-0.3-base java-common kwayland-data liba52-0.7.4 libaribb24-0 libass9 libatk-bridge2.0-dev libatomic1:i386 libatspi2.0-dev libavfilter7 libavresample4 libbasicusageenvironment1 libbs2b0 libcaca-dev libcddb2 libconfig9 libdazzle-1.0-0 libdc1394-22 libdca0 libdrm-amdgpu1:i386 libdrm-dev:i386 libdrm-intel1:i386 libdrm-nouveau2:i386 libdrm-radeon1:i386 libdrm2:i386 libdvbpsi10 libebml4v5 libebook-1.2-20 libebook-contacts-1.2-3 libedata-book-1.2-26 libedata-cal-2.0-1 libedit2:i386 libegl-mesa0:i386 libegl1:i386 libelf1:i386 libenca0 libexpat1:i386 libfaad2 libffi7:i386 libflac-dev libflite1 libfluidsynth2 libfprint0 libgbm1:i386 libgdbm5 libgdm1 libglapi-mesa:i386 libgles1 libgles1:i386 libgles2:i386 libglvnd-core-dev libglvnd-core-dev:i386 libglvnd0:i386 libgnome-todo libgraphene-1.0-0 libgrilo-0.3-0 libgroupsock8 libhfstospell10 libibus-1.0-dev libixml10 libkate1 libkf5attica5 libkf5bookmarks-data libkf5codecs-data libkf5codecs5 libkf5completion-data libkf5config-bin libkf5config-data libkf5configcore5 libkf5configgui5 libkf5configwidgets-data libkf5dbusaddons-bin libkf5dbusaddons-data libkf5dbusaddons5 libkf5doctools5 libkf5globalaccel-data libkf5guiaddons5 libkf5i18n-data libkf5i18n5 libkf5iconthemes-data libkf5itemviews-data libkf5jobwidgets-data libkf5notifications-data libkf5parts-data libkf5service-data libkf5service5 libkf5solid5 libkf5solid5-data libkf5sonnet5-data libkf5sonnetcore5 libkf5textwidgets-data libkf5wallet-data libkf5waylandclient5 libkf5widgetsaddons-data libkf5windowsystem-data libkf5xmlgui-bin libkf5xmlgui-data liblilv-0-0 liblivemedia77 libllvm9:i386 libmad0-dev libmatroska6v5 libmetacity1 libmicrodns0 libmikmod-config libmikmod-dev libmikmod3 libmpcdec6 libmpeg2-4 libmysofa0 libnorm1 libnvidia-cfg1-390 libnvidia-common-390 libnvidia-compute-390:i386 libnvidia-decode-390 libnvidia-decode-390:i386 libnvidia-encode-390 libnvidia-encode-390:i386 libnvidia-gl-390 libnvidia-gl-390:i386 libogg-dev libopengl0 libopengl0:i386 libopenmpt-modplug1 libopusfile0 libpam-fprintd libpciaccess0:i386 libperl5.26 libpgm-5.2-0 libplacebo7 libpostproc55 libproxy-tools libpulse-dev libqt5sensors5 libqt5texttospeech5 libqt5waylandclient5 libqt5webchannel5 libqt5x11extras5 libresid-builder0c2a librubberband2 libsdl-gfx1.2-5 libsdl-image1.2 libsdl-mixer1.2 libsdl-ttf2.0-0 libsdl1.2debian libsdl2-gfx-1.0-0 libsdl2-image-2.0-0 libsdl2-mixer-2.0-0 libsdl2-net-2.0-0 libsdl2-ttf-2.0-0 libserd-0-0 libsidplay2 libslang2-dev libsmpeg0 libsndio-dev libsord-0-0 libspatialaudio0 libsratom-0-0 libsrt1 libstdc++6:i386 libsysmetrics1 libtxc-dxtn-s2tc0:i386 libupnp13 libusageenvironment3 libva-wayland2 libvidstab1.1 libvlc-bin libvlc5 libvlccore9 libvoikko1 libvorbis-dev libvorbisidec1 libvulkan1 libwayland-bin libwayland-client0:i386 libwayland-dev libwayland-server0:i386 libwxbase3.0-0v5 libx11-xcb-dev libx11-xcb-dev:i386 libx11-xcb1:i386 libxcb-dri2-0:i386 libxcb-dri2-0-dev libxcb-dri2-0-dev:i386 libxcb-dri3-0:i386 libxcb-dri3-dev libxcb-dri3-dev:i386 libxcb-glx0:i386 libxcb-glx0-dev libxcb-glx0-dev:i386 libxcb-present-dev libxcb-present-dev:i386 libxcb-present0:i386 libxcb-randr0:i386 libxcb-randr0-dev libxcb-randr0-dev:i386 libxcb-render0:i386 libxcb-render0-dev:i386 libxcb-res0 libxcb-shape0:i386 libxcb-shape0-dev libxcb-shape0-dev:i386 libxcb-sync-dev libxcb-sync-dev:i386 libxcb-sync1:i386 libxcb-xfixes0:i386 libxcb-xfixes0-dev libxcb-xfixes0-dev:i386 libxcb-xv0 libxdamage-dev:i386 libxdamage1:i386 libxfixes-dev:i386 libxfixes3:i386 libxi6:i386 libxinerama1:i386 libxkbcommon-dev libxshmfence-dev libxshmfence-dev:i386 libxshmfence1:i386 libxss1:i386 libxxf86vm-dev:i386 libxxf86vm1:i386 libzmq5 mesa-common-dev:i386 mesa-vulkan-drivers mkusb-common mkusb-nox nvidia-compute-utils-390 nvidia-dkms-390 nvidia-kernel-common-390 nvidia-kernel-source-390 nvidia-prime nvidia-settings nvidia-utils-390 openjdk-11-jre-headless openjdk-8-jre-headless pv python3-macaroonbakery python3-protobuf python3-rfc3339 python3-tz screen-resolution-extra shotwell-common sonnet-plugins switcheroo-control timgm6mb-soundfont vlc-bin vlc-data vlc-l10n vlc-plugin-base vlc-plugin-notify vlc-plugin-samba vlc-plugin-video-splitter wayland-protocols xdg-dbus-proxy xserver-xorg-legacy Use 'sudo apt autoremove' to remove them. The following additional packages will be installed: libhpmud0 libqt5gui5-gles libsensors5 libsnmp35 Suggested packages: qt5-image-formats-plugins qtwayland5 lm-sensors Recommended packages: libqt5svg5 The following packages will be REMOVED adobe-flash-properties-gtk adobe-flashplugin apturl cheese columbia-meta compiz compiz-gnome compiz-plugins compiz-plugins-default compton default-jre evolution-data-server ffmpeg freeglut3 freeglut3:i386 freeglut3-dev freeglut3-dev:i386 gdm3 gir1.2-gst-plugins-base-1.0 gir1.2-mutter-5 gir1.2-rb-3.0 gir1.2-totem-1.0 gir1.2-webkit2-4.0 gnome-calendar gnome-getting-started-docs gnome-initial-setup gnome-online-accounts gnome-session-bin gnome-shell gnome-shell-extension-appindicator gnome-shell-extension-ubuntu-dock gnome-startup-applications gnome-todo gnome-user-docs gnome-user-guide gnuplot5-qt gstreamer1.0-clutter-3.0 gstreamer1.0-gl gstreamer1.0-gtk3 guidus hud keditbookmarks kinit kio kwayland-integration libatk-wrapper-java libatk-wrapper-java-jni libavdevice58 libcheese-gtk25 libcheese8 libclutter-1.0-0 libclutter-gst-3.0-0 libclutter-gtk-1.0-0 libcogl-pango20 libcogl-path20 libcogl20 libdbusmenu-qt5-2 libdirectfb-1.7-7 libedataserverui-1.2-2 libegl1-mesa-dev libepoxy-dev libgl1 libgl1:i386 libgl1-mesa-dev libgl1-mesa-dev:i386 libgl1-mesa-dri libgl1-mesa-dri:i386 libgl1-mesa-glx libgl1-mesa-glx:i386 libgle3 libgle3-dev libgles2-mesa-dev libglew-dev libglew1.13 libglew2.1 libglewmx1.13 libglu1-mesa libglu1-mesa:i386 libglu1-mesa-dev libglu1-mesa-dev:i386 libglvnd-dev libglvnd-dev:i386 libglx-mesa0 libglx-mesa0:i386 libglx0 libglx0:i386 libgoa-backend-1.0-1 libgstreamer-gl1.0-0 libgtk-3-dev libkf5authcore5 libkf5bookmarks5 libkf5completion5 libkf5configwidgets5 libkf5crash5 libkf5globalaccel-bin libkf5globalaccel5 libkf5globalaccelprivate5 libkf5iconthemes-bin libkf5iconthemes5 libkf5idletime5 libkf5itemviews5 libkf5jobwidgets5 libkf5kiocore5 libkf5kiofilewidgets5 libkf5kiogui5 libkf5kiowidgets5 libkf5notifications5 libkf5parts-plugins libkf5parts5 libkf5service-bin libkf5sonnetui5 libkf5textwidgets5 libkf5wallet-bin libkf5wallet5 libkf5widgetsaddons5 libkf5windowsystem5 libkf5xmlgui5 libkwalletbackend5-5 libmutter-5-0 libnux-4.0-0 libnvidia-fbc1-390 libnvidia-fbc1-390:i386 libnvidia-ifr1-390 libnvidia-ifr1-390:i386 libpolkit-qt5-1-1 libqt5gui5 libqt5opengl5 libqt5printsupport5 libqt5quick5 libqt5quicktest5 libqt5svg5 libqt5waylandcompositor5 libqt5webkit5 libqt5widgets5 librhythmbox-core9 libsdl-gfx1.2-dev libsdl-image1.2-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev libsdl1.2-dev libsdl2-dev libsdl2-gfx-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-net-dev libsdl2-ttf-dev libsensors4 libsensors4:i386 libsmpeg-dev libsnmp30 libtotem0 libwebkit2gtk-4.0-37 libwxgtk3.0-0v5 libyelp0 lm-sensors mencoder mesa-utils metacity minecraft-launcher mkusb mplayer mutter nautilus-share nux-tools nvidia-384 nvidia-driver-390 oem-superkey-workaround openjdk-11-jre openjdk-8-jre qgit qtwayland5 rhythmbox-plugins shotwell signon-ui signon-ui-x11 steam:i386 sysstat totem totem-plugins ubuntu-docs ubuntu-release-upgrader-gtk ubuntu-session update-manager update-notifier vdpau-va-driver vlc vlc-plugin-qt vlc-plugin-skins2 vlc-plugin-video-output vlc-plugin-visualization x11-utils xorg xscreensaver-gl xscreensaver-gl-extra xserver-xephyr xserver-xorg xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-evdev xserver-xorg-input-libinput xserver-xorg-input-synaptics xserver-xorg-input-wacom xserver-xorg-video-all xserver-xorg-video-amdgpu xserver-xorg-video-ati xserver-xorg-video-fbdev xserver-xorg-video-intel xserver-xorg-video-nouveau xserver-xorg-video-nvidia-390 xserver-xorg-video-qxl xserver-xorg-video-radeon xserver-xorg-video-vesa xserver-xorg-video-vmware xwayland yelp zenity The following NEW packages will be installed libqt5gui5-gles libsensors-config libsensors5 libsnmp35 The following packages will be upgraded: libhpmud0 1 to upgrade, 4 to newly install, 216 to remove and 2 not to upgrade. Need to get 4,045 kB of archives. After this operation, 900 MB disk space will be freed. Do you want to continue? [Y/n] n Abort. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1861991 Title: upgraded to focal yesterday, I've got no control panel, my theme is weird, and alt-tab isn't working Status in gnome-shell package in Ubuntu: New Bug description: I don't have the skills to pick apart this mess, sorry. If there's anything I can do to help debug it give me a shout. Thank you. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.34.3-1ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed Feb 5 09:24:24 2020 DisplayManager: gdm3 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-20160624-2 InstallationDate: Installed on 2018-02-24 (710 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47 RelatedPackageVersions: mutter-common 3.34.3-1ubuntu1 SourcePackage: gnome-shell UpgradeStatus: Upgraded to focal on 2020-02-05 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1861991/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp