Ok so my youngling walked across my lenovo e540 and flopped onto my wireless keyboard and now most of my keyboard dosent work i belive he somehow entered a strange combination and would like very much to fix this I'm on Windows 10 and have been trying all kinds of key combos but no luck I system restored no luck I am getting frustrated if you have any ideas I'd love them 56tyghvb space and backspace work i don't even know how to ask for help adequately thank you