![]() Cipherīefore using the cipher command to securely overwrite the free space on your hard drive, be sure you quit all programs. We’ll also mention some third-party tools that do the same thing. Today we’ll show you how to use the cipher command on the command line to securely write over the free space several times to make sure no data can be recovered. If you’re selling a computer or even disposing of one, you should securely wipe the free space on your PC’s hard drive so the files cannot be recovered. The tools, or an experienced hacker, can scan the hard drive and look for the files and restore the links and indexes so Windows can see the files again. ![]() So, until (and possibly after) the data is written over, it can be recovered by special tools or the right set of skills. This is because, as mentioned earlier, you’re only removing the indexes and the links to the data and telling Windows it has permission to overwrite that area of the hard drive. The file still exists on your hard drive however, Windows doesn’t know where the file is. When you delete a file on your computer, the only thing that’s removed is its reference in the master file table. Once your PC is reset and ready to use, you’ll need to think about the new software you’ll need to immediately install, from a new web browser to an antivirus to keep your PC safe from malware.What really happens when you delete a file? You could switch to a passwordless login on Windows 10 to be able to ditch passwords completely. You can set up Windows without a Microsoft account, but you’ll lose access to some additional Windows features. ![]() Your first task is to use a password manager to help you generate a secure password for your PC. Once you know how to reset Windows 10 without the admin password to hand, you’re ready to start again. If your PC doesn’t have a recovery partition available, you’ll need to use one of the methods listed above to factory reset Windows 10 instead. Consult the user manual for your PC or laptop for any special instructions on how to use a recovery partition on your PC, as well as to determine the right key to press. Each manufacturer has its own on-screen instructions for how to activate and trigger this process. ![]()
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