boot problems startrep.exe

  1. Windows 10 Windows 10 not booting after restart

    Hi, I need urgent help with my Windows 10 64-bit. It was upgraded from win 8. was working fine. I turned off and turned back on after a few hours and it's not booting up any more. It's a laptop computer from Toshiba. All I get when I press on/off button is Toshiba logo, after a few seconds below...