Automatic Repair Fails

Within Windows recovery select the option to launch command prompt.
With the command prompt open type:

• DISKPART
• list disk
  Find the disk you are trying to fix. This is most likely DISK 0
• sel disk 0
• list part
• list volume
  Find the letter that belongs to the OS
• exit (to exit diskpart)
• bcdboot x:\windows (where x refers to the volume letter belonging to Windows)
  Reboot and see if the computer boots now.

If you get an error message when running the bcdboot command:

• boot into your preferred partition tool
• if the ESP partition exists, delete it.
• if not, make sure the drive is GPT and find a way to create at least 40mb of unallocated space
• reboot back into windows recovery

Within Windows recovery select the option to launch command prompt.
With the command prompt open type:

• DISKPART
• list disk
  Find the disk you are trying to fix. This is most likely DISK 0
• sel disk 0
• list part
• create part efi
• format quick fs=fat32
• list part (verify you see the new partition)
• list volume
  Find the latter that belongs to the OS
• exit (to exit diskpart)
• bcdboot x:\windows (where x refers to the volume letter belonging to Windows)
  Reboot and see if the computer boots now.