Sure The Keyboard Shortcuts for Lock Screen is set to Ctrl+Alt+L Found in Settings -> Keyboard Shortcuts -> Lock screen -> Ctrl+Alt+L
1) I can't lock the screen using the (keybinding / shortcut) Ctrl+Alt+L https://i.imgur.com/VKiXvZV.png 2) I can lock the screen by clicking on the lock option but the screen doesn't go blank https://i.imgur.com/JDHEs2Q.png 3) Here's something that looks interesting I found in the journalctlr file Oct 02 19:18:52 sys76 gnome-shell[2577]: meta_window_raise: assertion '!window->override_redirect' failed Oct 02 19:18:52 sys76 gnome-shell[2577]: meta_window_lower: assertion '!window->override_redirect' failed Oct 02 19:18:56 sys76 gsd-media-keys[2742]: Couldn't lock screen: Cannot invoke method; proxy is for the well-known name org.gnome.ScreenSaver without an owner, and proxy was constructed with the G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START flag 4) The full file is below ** Attachment added: "journalctl -b 0 > jour.txt file requested" https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1898153/+attachment/5416816/+files/jour.txt -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1898153 Title: I upgraded from 18.04 to 20.04.1 and the screen doesn't lock or go blank at the set time. Status in gnome-control-center package in Ubuntu: Incomplete Bug description: I upgraded from 18.04 to 20.04.1 and the screen doesn't lock or go blank at the set time. I think this issue also effects the shortcuts not working also. I'm using nemo as my file manager I followed these instructions below https://itsfoss.com/install-nemo-file-manager-ubuntu/ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1898153/+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