Without more information it is hard to say. What hotend do you have? What fan (manufacturer, model number) is cooling the hotend? Did this happen to you before or was it printing fine? Did you change anything?
All the Chaos Computer Events are like a different dimension. You can leave your laptop somewhere unattended and the worst thing that may happen to it, is that someone plugs it in to charge.
We all know that more idiots than non-idiots vote… so…