The fact that reformatting a hard drive doesn’t completely erase the data stored on it is both a blessing and a curse depending on your circumstances. For example, if you reformat your hard drive ...

How do I format a hard drive? A computer hard drive stores your files, allowing you to access them at any time. The majority of the time, you want these files to remain stored properly and safely.

I'm trying to reformat my hard drive (only have one) and it won't let me b/c the os is on the hard drive. I tried creating a start-up disk with Windows XP so that I could boot to DOS and format from a ...