Hit the Windows key, type in diskpart and hit enter
You should get a black Command like Prompt window.
List the disks
list disk
You should get a list of the disk you have as well as the number for the disk.
Select the disk you want in our case disk 3. Change the number to the number of your drive
select disk 3
clean the disk
clean
Now you can open up Disk Manager and create a new Simple Volume on your drive.