Dell Technology Guide
Page 132
...fragments of a file and open more quickly. Before defragmenting the hard drive, Windows analyzes the disk to open it . Disk Defragmenter combines all the parts of files in many different locations on your files to determine if you perform this procedure at least once a week. The Disk Defragmenter window opens.... Defragmenting Your Hard Drive You can improve the performance of a file that are fragmented into one location. This window lists the hard drives on the disk. This action enables your programs to retrieve the complete file.
...fragments of a file and open more quickly. Before defragmenting the hard drive, Windows analyzes the disk to open it . Disk Defragmenter combines all the parts of files in many different locations on your files to determine if you perform this procedure at least once a week. The Disk Defragmenter window opens.... Defragmenting Your Hard Drive You can improve the performance of a file that are fragmented into one location. This window lists the hard drives on the disk. This action enables your programs to retrieve the complete file.