Wipe your HDD/SSD clean using Windows Command Prompt

Simple way of cleaning your hard drive using Windows diskpart if you are unable to delete them disk management.

Go to Windows Start and search for Command Prompt.

Before clicking the app, right-click on the app and select Run as administrator.

When the app opens run:

diskpart

On DISKPART> type:

list disk

Replace the X with the disk you want to clean:

select disk X

Run command to quick format:

clean

or

Run command to thoroughly clean (takes longer)

clean all