Does the same problem happen if you select 'Ubuntu on Wayland' from the login screen?
** Summary changed: - booting interrupted + ThinkPad T400 sleeps immediately after login ** Package changed: xorg (Ubuntu) => gnome-shell (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1900057 Title: ThinkPad T400 sleeps immediately after login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1900057/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp