Sometimes the best defragmenter for Windows 10 doesn’t need to do more than just defragment. If we’ve been doing a lot of file deletions and uninstallations, this might be a good way to just do a quick defragment to clean things up. To determine if the disk needs to be defragmented or not, click Analyze disk. Under Current status, select the disk you want to defragment. In the search box, type Disk Defragmenter, and then, in the list of results, click Disk Defragmenter. Open Disk Defragmenter by clicking the Start. In doing so, the contents of the individual sectors must be physically read. It does one thing: defragment the hard drive. To do this, follow these steps: To defragment your hard disk. When defragmenting, all fragments of a file are searched for and saved as a coherent block. Access to the files remains seamless, but will take longer than usual. That’s how, over time, many files are distributed in several single fragments on the hard disk. When deleting files, gaps appear on the hard disk, which later have to be filled by other data fragments. In practice, however, this ideal state exists only shortly after a new hard disk has been formatted in Windows i.e. When reading the data, the read head of the hard disk therefore only has to pass over the data block once in order to read the complete file. Ideally, all files are located one after the other, each as a closed block on the hard disk. The effective speed of a hard disk depends not only on the revolutions per minute (RPM) or data throughput rate in KB/s (kilobytes per second), but essentially on how the files are arranged on the hard disk.
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