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Do not drop the hard drive.

Christmas came and vanished, and many of them could get a glittering new computer from Santa Claus this year. But before you sell or dispose of your old computer, you must be ready to place the hard drive. This means that you properly delete all the files, ensuring that no confidential or sensitive information is left accessible.

Data can almost always be restored at least partially. Recently, an author bought a hard drive on eBay, which is being used by a clinic. There were more than 30,000 credit cards. Drives purchased in this way usually contain confidential data. Deleting files or reformatting the hard disk is not enough. Why?

Hard disk has an index like a volume table of contents. Tell me you will not want to go to Chapter 6 again and delete it. The computer is only for Chapt. 6 in the Table of contents blank. In other words, Chapt. 6 is now available for other files as well.

But note that nothing else has happened. The actual data, 6 is still there, happy as a clam, the same place on the disk. The same is true when reformating the disc. In short, deleting files or reformatting a disk simply removes references to the data in question, not the data. This is why you can delete files with special software such as Disk Investigator. Data can also be recovered from formatted disks. So what should I do?

Before you remove or release trash from your old computer, go to such a site for a program that deletes each file or entire hard drive. Keep in mind that some of these programs also delete Windows; in this case, of course your old computer becomes unusable.

There are many other similar programs available. Drop it with your favorite search engine and chase it. These programs ensure that their data is available without abuse for all practical purposes.

You must take precautions in a related note before sending the computer to the repair shop. Even if you trust technicians with stuff, files can be deleted during repair. If the machine is operational, back up all important or sensitive files. Use a handy USB flash drive or external hard disk drive or a range of online (and free) storage services.

Personally, I use my own storage devices. So the data will never leave my hand. You can use any of the backup modes to verify that you have successfully copied the files. Then delete the confidential files from the hard drive. You can reinstall them when you restore your computer from the store.

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