How to wipe all personal data without formatting?

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11 Jan 2006
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IM going to sell my old pc to a guy from work but i cant be botherd to format and re-install xp, So how do i wipe all personal data that could still be in the pc like passwords, bank details ect?
 
The only real way to make sure all data is gone is to re-write all the sectors of the hard disk, you can buy programs that do this, or you can do a low level format of the hdd. A normal reformat will not get rid of these details.
 
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