Originally Posted by goodndntwin

I'll forgo the comment about checking a laptop since people have beat me to it.

To answer the question, yes, most likely you're bag will be opened. In my experience the Europeans are even bigger sticklers about electronics than the TSA. I've had to put a kindle and ipad in a separate tray and turn them on going thru LHR and FRA while in the US I can just leave them in my bag.