This is the most reliable built-in method for completely overwriting a drive with zeros. Microsoft Community Hubhttps://techcommunity.microsoft.com How to Wipe hard drive on my Windows 7 computer?
You’re reinstalling Windows 7 on the same PC. disk wipe windows 7
: Insert the USB drive, restart your computer, and enter the BIOS settings. Set the USB drive as the first boot device. This is the most reliable built-in method for
You’re getting rid of the computer permanently. restart your computer