Running Disk Defragmenter

To run Disk Defragmenter, perform the following steps:

1. Click the Start button, point to Programs, point to Accessories, point to System Tools, and then click Disk Defragmenter.
   The Disk Defragmenter Window appears.

The Disk Defragmenter Window

2. Click to highlight the volume that you want to defragment.
3. Click the Analyze button.
   The first gray bar labeled Estimated disk usage before defragmentation: begins filling with colored bars, indicating the status of files in the volume being processed.

   When the analysis is complete, a window appears advising whether the volume needs to be defragmented.

4. Click the Defragment Now button.
   The second gray bar labeled Estimated disk usage after defragmentation: begins filling with colored bars, indicating the status of files in the volume being processed.
   A status indicator along the bottom of the Disk Defragmenter window tracks the progress of the defragmentation process.
   A notice is displayed when the process is complete.

NOTE:

If you repeatedly receive the message Drive Contents Have Changed: Restarting, while performing the defragmentation process, refer to the Microsoft Knowledge Base Article: 310541 — "Drive's Contents Have Changed: Restarting" Message When You Use Disk Defragmenter"