Can you please help me re to my laptop problem. I bought 1 HP expectre x2 laptop and Im not familiar with its features. After installing some applications, keyboard suddenly stopped working.sometimes it does sometimes not. Touchpad is ok(working). I dont know what is the problem, the hardware or the settings of my laptop. we tried to detached the screen from the keyboard and turn it back sothe keyboard works again.but after a sec.the keyboard stopped.