Installing the .deb from post #10 solved this issue for me. I tested it before and after several times on two computers.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to unity-greeter in Ubuntu. https://bugs.launchpad.net/bugs/1278681 Title: Cannot type password until I have clicked something else Status in “unity-greeter” package in Ubuntu: Confirmed Bug description: If I try to type my password to log in, nothing happens, but when I select the volume settings at the top of the screen, or something like that, then I am able to enter my password. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/1278681/+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