There's also a message in the upper corner saying, "Power Manager: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Method call timed out."
Using Xubuntu 16.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1605189 Title: Authentication is required for suspending the system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1605189/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs