Reformatting
Reformatting a computer wipes the data stored on its hard drive, allowing for a clean installation of the system and programs. ... Note that reformatting will erase all your computer's files, so first copy anything you want to keep to another hard drive, USB drive or burnable discs (CDs or DVDs). Reformatting a computer wipes the data stored on its hard drive, allowing for a clean installation of the system...