Run diskpart from the Commmand prompt – Run CMD from the Start Menu or Run dialogue box using WinKey + R to get to the command prompt
Then use the commands below in sequence within the diskpart interface
list disk
select disk [#] (adding the reference number from the list command above)
clean (permanent delete content)
create partition primary
format fs=ntfs
assign (gives a drive letter – unspecified)
exit to leave diskpart