Full Drive Wipe
Use this only only if you want to completely erase the target drive and start fresh.
Open Command Prompt:
- Press Shift + F10 in the Windows setup to open CMD.
- Press Shift + F10 in the Windows setup to open CMD.
Commands
diskpart
list disk
select disk X ← replace X with the target disk number
convert GPT
clean all ← full zero-fill; can take a long time on large drives
exit
WARNING
Clean all writes zeros to the entire disk. All partitions and data are permanently erased. On large HDDs this may take hours; on SSDs it’s faster but still significant.