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How to Completely Erase Hard Disk Data You need to use a degausser if your intention is to completely erase the data on your hard disk. You may be used to deleting data on your hard drive or other storage device using your PC. While the data seems to be removed, it is actually moved to a different compartment of the device. This is why even after formatting a hard drive, it is still possible to recover data from it. However, using a degausser will completely wipe data in the hard drive. Degaussing randomizes the data in the hard drive such that it cannot be recovered through any means. Most consumers are not careful about their data. For example, it is common to find people selling their hard drives without having erased it. Your data can be recovered and used if it falls in the hands of a person with malicious intentions if your hard drive has not been erased clean. Thus, formatting the hard drive before selling it is not enough. It is important to ensure that the data will not be recoverable. Degaussing is the best way of making your data irrecoverable. Regardless of who you are, it is important to degausse your hard drive before selling it. If you are a business looking to replace your aging computers, wiping the hard drive clean is important. If you do not wipe the drives, your company data can get into the wrong hands. Government institutions also usually have sensitive data. With the institutions, degaussing should be a primary requirement. Generally, anyone who is concerned about their data landing in the wrong hands will benefit from degaussing.
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Guide to Degaussing To erase data, degaussing using magnetism. Generally, hard drives have a magnetic strip inside them where data is written. When the storage device is plugged into a powered computer, the data on the magnetic strip is digitized. The files you see on the computer screen are the digitized formats of the data on the magnetic strip.
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Degaussers rely on magnetism to completely wipe off data from hard drives. When a degausser is powered, it produces a strong magnetic field. To erase the data on a hard drive, you have to introduce it into this strong magnetic field, which will in turn randomize the data on the drive’s magnetic strip. The randomizing of the data makes it impossible for any data to be recovered. This explains why it is impossible to recover data from a storage device that has been degaussed. There are a number of degaussers you can buy in the market. One of the common ones is known as an electromagnetic degaussers. The above is an overview of what you should know about degaussers.