Same thing happened to me when I partially closed lid of my HP EliteBook 8460. Restarted it after fresh install of Ubuntu 17.10 desktop (from the basic Ubuntu 17.10 image running default Gnome desktop). Now it is stuck in the portrait mode. Tried to use icon from the upper corner but with no luck.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1726509 Title: screen rotates randomly on ubuntu 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1726509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs