It's not possible that you don't have a local disk. Every computer has a disk drive that is known as a local disk which is local to your system. That's where the operating system runs from and where all of your files are located.
Are you sure you're looking in the right place? Maybe provide a screenshot for us of the screen where you are seeing your D: Drive on. Usually it's on a page called "This PC" or "My Computer" or something along those lines.