Fast Startup Disabler allows you to disable/enable Fast Startup (aka hybrid boot or hybrid shutdown) feature available on Windows 8/8.1/10.
This utility is geared towards users that are experiencing problems with the Fast Startup feature like dual boot issues, PC hanging on reboot, or if any unexpected system reboots occur. Fast Startup Disabler permits you to turn off Fast Startup in a simple manner.
One nice thing with Fast Startup Disabler is all the changes are immediate, there is no need to reboot your machine. Another nice thing is you can run it from a USB with the portable version so that you always have the ability to disable/enable Fast Startup no matter where you are.