First off, how old is the laptop? Does it have a BIOS screen or a UEFI screen? during the post on start up?
Here are some suggestions on this problem...
Code:
https://www.tenforums.com/tutorials/21284-enable-disable-fast-boot-uefi-firmware-settings-windows.html
This would check if you have that option, or enable fast boot in the laptops BIOS or UEFI settings. (if they are there)
And this..
Code:
https://www.tenforums.com/tutorials/4189-turn-off-fast-startup-windows-10-a.html
This would set it up in the windows platform.