How to Completely
Erase a Hard Disk Drive
A new year has begun and
perhaps you have decided to perform a system upgrade or get rid of your old
computer system and purchase a new one.But before you sell or donate your old
computer, it is very much necessary to completely erase your Hard Disk Drive.Yes,
every one of us are aware of this fact and so, we delete the contents of the
hard disk either by using the DELETE key on our keyboard or by Formatting
the hard disk.
Deleting and Formatting – Just
Not Secure Enough
But the fact is, the data will
still be on the hard disk even after deleting it or formatting the hard disk.
Using the delete key on your keyboard will only remove the shortcuts to the
files making them invisible to users. Deleted files still reside on the hard
drive and a quick Google search will show many options for system recovery
software will allow anyone to reinstate that data.
hard drive is a bit more secure way to erase the hard disk. Formatting a
disk will not erase the data on the disk, only the address tables. It makes it
much more difficult to recover the files. However a computer specialist would be
able to recover most or all the data that was on the disk before the reformat.
For those who accidentally reformat a hard disk, being able to recover most or
all the data that was on the disk is a good thing. However, if you’re preparing
a system for retirement to charity or any other organization, this obviously
makes you more vulnerable to data theft.
Erasing the Hard Disk through
So it is necessary for us to
use a 100% secure way to erase the hard disk.The secure way of
erasing the hard disk is called Disk Wiping.Disk wiping is a
secure method of ensuring that data, including company and individually licensed
software on your computer and storage devices is irrecoverably deleted before
recycling or donating the equipment. Because previously stored data can be
brought back with the right software and applications, the disk wiping process
will actually overwrite your entire hard drive with data, several times. Once
you format you’ll find it all but impossible to retrieve the data which was on
the drive before the overwrite. The more times the disk is overwritten and
formatted the more secure the disk wipe is.
There are a variety of disk
wiping products available that you can purchase, or freely downloaded online to
perform more secure disk wipes.One of my favorite disk wiping software is
You have to use this tool by
burning the iso image file onto a CD or by using a floppy
disk.After burning this tool you have to boot your PC and follow the screen
instructions to completely erase the hard disk.