To begin the Windows 7 clean install process, you'll need to boot from the Windows 7 DVD if you're using a Windows 7 DVD, or boot from a USB device if your Windows 7 installation files are located on a flash drive or other external USB drive.
Iji malite usoro ntinye dị ọcha nke Windows 7, ị ga- ebu bido si Windows 7 DVD ma ọ bụrụ na ị na-eji Windows 7 DVD, ma ọ bụ buut site na ngwaọrụ USB ma ọ bụrụ na faịlụ Windows 7 gị dị na windo ma ọ bụ ndị ọzọ ọkwọ ụgbọala USB dịpụrụ adịpụ.