Do you have any indications maybe the whole hard drive has failed?
Something you can do is create a USB thumb drive boot stick.
Look this over and see if it's something you want to try: Install Ubuntu Rescue Remix to a Flash Drive
It's not 'Windows' but there's a chance it will bootup your One and maybe even give you access to the hard drive to same important data and personal files.
Do you have any indications maybe the whole hard drive has failed?
Something you can do is create a USB thumb drive boot stick.
Look this over and see if it's something you want to try: Install Ubuntu Rescue Remix to a Flash Drive
It's not 'Windows' but there's a chance it will bootup your One and maybe even give you access to the hard drive to same important data and personal files.