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Chapter 3. Health Care for PCs > Defragmenting Your Hard Drive

Defragmenting Your Hard Drive

When a file is stored to a hard drive, it is broken into tiny chunks, and each piece is stored in the first available sector of the hard drive. After the drive starts getting full and files are deleted (creating certain random sectors available here and there on the hard drive), file parts are no longer saved in adjacent sectors.

Thus a file may be scattered (or fragmented) all over the drive, which can slow down its retrieval. To improve the speed of your PC, you should defragment your hard drive. Defragmenting reorganizes the parts of each file so that they are once again adjacent to each other on the hard drive, eliminating excess search time.


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