Things to try:

Try 1:

• Start the pc using F11 to boot into recovery mode.
• Select Advanced and then Command prompt.
• Run

chkdsk c: /r /x

• If chkdsk only scans, run sfc /scannow and reboot.

Try 2:

• Boot into Windows Recovery Environment using the Windows 10 USB or DVD. 
• Click on Repair your computer.
• Click on Troubleshoot and in the Advanced options. 
• Select Command Prompt.
• Type the following commands into the prompt and press Enter key after each command.

bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd

Try 3: Perform a Start up repair

• Download an ISO image of Windows 10 and try to install again using the Media Creation tool. http://www.microsoft.com/en-us/software-download/windows10
• Insert the installation DVD or USB and boot Windows 10 from it.
• Select “Troubleshooting” from the first Window and then select “Advance Options”.
• Then select “Automatic Repair” from “Advanced options” window.