Data removal from hard drive

[wayne_l]

I am planning on donating my computer to local school. It has Windows Vista installed. How do I clean up the hard drive so no data is retrievable?

 

[ksiemb]

I am planning on donating my computer to local school. It has Windows Vista installed. How do I clean up the hard drive so no data is retrievable?

There are many apps available; Best you choose your own solution.
Her are a few
http://www.bing.com/search?q=donating+computer+clean+hard+drive&form=MOZSBR&pc=MOZI