Hi,
I'm Pedro A, Independent Advisor
Try this procedure:
Click on "Start" menu and press the "On/Off" button
Press the "Shift" button on the keyboard and select the "Restart" option
On the choice screen, select the "Troubleshooting" option
Then go to "Advanced options"
Open the "Command Prompt"
You will be asked for your windows user password.
Type the commands below one at a time and hit enter:
md \efi\microsoft\boot
cd /d v:\efi\microsoft\boot
bootsect /nt60 all
bootrec.exe/fixboot
exit
Restart your windows