Why is the Windows 8.1 quick start not working?

Question

Windows

The computer after some time after reinstalling Windows (more precisely, I handed it in for repair to change the screw) stopped shutting down and rebooting normally. the only thing that he can normally do in this regard is to turn on))) only a hard cutting down of the pressed button for 5 seconds helps. power buttons. tell me where to dig? I understand that the jamb is either in intel rapid storage or in some BIOS settings, but I'm not so friendly with hardware to know which ones (
if it's a laptop - Dell XPS 15 if someone tells something.