Please perform the following steps:

1) Find 3 flash drives that you can format (> or = 8 GB)

2) Make tools that can be used to recover important files, test the drives, and troubleshoot

3) On a working computer:

a) create a new bootable windows 10 iso:
https://www.microsoft.com/en-us/soft...load/windows10
Download Windows 10 ISO File
Create Bootable USB Flash Drive to Install Windows 10


b) bootable Ubuntu flash drive:
Create a bootable USB stick on Windows | Ubuntu tutorials
Create a bootable USB stick on Windows | Ubuntu tutorials

c) Kyhi boot rescue flash drive:
Toolkit Item: Kyhiís Rescue Disk Ė Win10.Guru
Toolkit Item: Kyhiís Rescue Disk Ė Win10.Guru


After testing the drive as per dalchina's post you could perform a reset save files equivalent with the bootable windows 10 iso (reinstall drivers and applications).
Custom Install Windows 10
If this fails backing up files followed by a clean install is another option.
Clean Install Windows 10