To begin with, good on you not only for your donation, but for thinking to do this. All too frequently we hear of computers being donated by banks, hospitals, or other institutions and then turning up with all sorts of private information that should have been erased first.
The best way? Well ... how paranoid are you?
Continue reading: How should I erase my hard drive before I give it away?
http://ask-leo.com/C2247
