Type select disk X (replace with your HDD's number—be careful!). Type clean to wipe the entire drive (this is instant).
This opens a terminal window with administrator privileges, allowing you to use the powerful diskpart tool.
Use the Microsoft Media Creation Tool for Windows 11 or Windows 10 to turn your USB into a recovery and formatting toolkit. format hdd from usb boot
I can give you the specific commands or steps for your exact situation.
If you prefer a graphical interface with visual confirmation, GParted is superior. Type select disk X (replace with your HDD's
Booting from USB puts the power of low-level disk management back in your hands. Whether you use the cold precision of diskpart or the visual clarity of GParted, you are working outside the constraints of your everyday OS—clean, absolute, and effective.
The solution? You need to boot from an external source. Booting from a USB drive allows you to access the hard drive from the outside, giving you total control to wipe, format, or partition it without any operating system interference. Use the Microsoft Media Creation Tool for Windows
Once your USB is ready, you must tell your computer to start from the USB instead of the internal hard drive. and restart your computer.
This method works on any PC, requires no Linux knowledge, and is highly reliable.