Computer Systems
How can I remove my existing data from the computer systems before I sell my computer to someone?
I heard from someone that rebooting and re-installation of the Windows systems will not completely remove all the existing data from the systems. Which means, there is possibility that some of the data in the computer systems can me retrieved if they want to.
What could I done to ensure the removable of existing data from the computer systems?
You can format your computer.
If you still feel your computer have topmost secret data, remove the hard disk and install a new harddisk and sell your computer.

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