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Part 12. Maintaining Your System > Task 5: Defragmenting a Disk

Task 5: Defragmenting a Disk

Click the Defragment Now button in the Tools tab of the Properties dialog box for the disk you want to scan. (Refer to Task 2 for help opening the Properties dialog box.)

Click the drive you want to defragment to select it.

Click the Defragment button.


When a file is stored on your hard drive, Windows places as much of the file as possible in the first available section (called a cluster), and then goes to the next cluster to put the next part of the file. Over time, your disk files may become fragmented. To help prevent potential problems with fragmented files, you can defragment your disk, putting files in clusters as close to each other as possible. Defragmenting your disk is a general-maintenance job that you should perform every few months for best results.


Creating a Restore Point

Be careful when defragmenting. You might want to create a restore point first so that you can restore your system to its pre-defragment state in the event of a problem. See Task 10 in this part about creating restore points.

Disk Defragmenter's progress is indicated by the progress bar in the Disk Defragmenter window.

When the process completes, Disk Defragmenter displays the results. Click View Report.

The Defragmentation Report dialog box displays detailed information about the disk that was defragmented.



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