Now, select the drive you want to defragment from the list and click the 'Optimize' button. If one of your drives does not appear in the list, then it is most likely formatted as exFAT. Keep in mind that Windows 10 can only optimize drives formatted with the NTFS file system. Select the 'Defragment and Optimize Drives' shortcut, which will open the 'Optimize Drives' window.Īll disks on your system that can be optimized and defragmented will be listed here. In the search bar, enter the word 'defragment' and click Ok to see the search results. This community is dedicated to Windows 10, which is a personal computer operating system released by Microsoft as part of the Windows NT family of operating systems. I have 2 TB HDD but only use 400gb of it. The easiest way to start is with the Start button. I've been defragmenting since the last 9 hours but it was stuck on Pass 6: 0 consolidated for now. Now, it's time to learn how to defrag hard drive Windows 10 However, defragmenting your disk, at least occasionally, will help you keep your disks performing as efficiently as possible. When there is a boot issue on the computer, Automatic Repair will start automatically and you will see the computer screen showing Preparing Automatic Repair, Diagnosing your PC, and then Scanning and repairing drive C, D. If you are using external hard drives connected via USB, defragmentation will be more necessary, as they may not connect when Windows starts Automatic Defragmentation. Scanning and repairing drive is a disk checking process in Windows Automatic Repair (the same as Startup Repair).

For solid-state drives, no defragmentation is required. On modern computers, Windows automatically defragments mechanical disks. This greatly reduces the time it takes to access files on disk and the time to read data. Fragmentation is the distribution of blocks of data (fragments) in various places on the hard disk's surface, while defragmentation is the opposite: the location in all of these blocks that make up the file is close to each other in physical space.

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