Deleting your data from computers, laptops and other devices

Thinking about selling your item, tablet or computer? Laptops, mobile phones and other devices may contain personal information that you wouldn’t want others to see, such as passwords and credit card information.

There are few ways of deleting your data.

Physical destruction – This involves physically destroying the media – CHIPS, CARDS OR HARD DRIVE so that it can no longer be used or recovered. 

Secure deletion software 

This involves using software to overwrite data one or more times.

Restore to factory settings

Many devices offer a function to ‘Restore to factory settings’. This will return the device to the state in which you bought it.


Formatting media recreates the data structures and file system.