![]() ![]() “What is the best way to clean the hard drive of my laptop? I’m going to sell it to someone but want to ensure all personal files are securely erased. Many users are looking for a way to zero out hard drive on websites. Once the data is overwritten with zeros, the process can’t be canceled and the data cannot be recovered by most data recovery tools. The process to zero out a hard drive is also called low-level formatting. In this way, each bit present in the hard drive will be replaced by a zero value. Zero filling is the method of completely wiping a hard drive. To completely wipe a hard drive, you need to remove the binary data by overwriting the zeros and ones with new data. Because it is easy to restore the deleted data with some data recovery software. ![]() If you want to remove data stored on the hard drive permanently, it’s not enough to simply delete it by pressing Shift + Delete or emptying the Recycle Bin. ![]() The computer understands the data stored on the platter by reading it as binary data. One side of the magnetic polarity is 0, and the other is 1. ![]() If the computer needs to read any information from the hard drive, it reads the magnetic polarities on the platter. The data is stored on the surface of magnetic and rotating platters in the hard disk case.
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