What is the default "live session user" password for KDE Neon when installing via live USB?

I was busy installing KDE Neon when my laptop locked itself, and now I can't get back into the desktop to finish the installation. I'm stuck at the login screen for the "live session user". Whatever password or no password that I try, I get the "Unlocking failed" error: I haven't entered or chosen any password yet, so you would think that there isn't any password, but it doesn't work. What is the default "live session user" password for KDE Neon? --- Edit: I have found a link to someone else having the same issue and the answer there is the following: > You have to ctrl alt F3, log in to user neon with blank password, and then set a non-blank password to unlock the screen at ctrl alt F1. However I'm a little confused. I pressed Ctrl+Alt+F3 and logged into neon with a blank password, but now what? How do I "set a non-blank password"? Pressing Ctrl+Alt+F1 just goes back to the login screen and I still can't log in. This is what I see after pressing Ctrl+Alt+F3 and logging in with the neon user: