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Defragment

Disk fragmentation slows the overall performance of your system. When files are fragmented, the computer must search the hard disk when the file is opened to piece it back together. The response time can be significantly longer.

Disk Defragmenter is a utility that consolidates fragmented files and folders on your computer's hard disk so that each occupies a single space on the disk. With your files stored neatly end-to-end, without fragmentation, reading and writing to the disk speeds up.


When to run Disk Defragmenter

In addition to running Disk Defragmenter at regular intervals—monthly is optimal—there are other times you should run it too, such as when:
  • You add a large number of files.
  • Your free disk space totals 15 percent or less.
  • You install new programs or a new version of Windows.

How to Defragment

There are many to defragment hard disk, Here is 2 of them:
  • Use TuneUp Utilities to keep your computer defragmented automatically. [Recommended]
  • Use Windows Disk Defragmenter.

Use TuneUp Utilities [Recommended]

Once you install TuneUp Utilities it will check your computer periodically (when it is idle) and will defragment your computer if its needed.
But if you want to defragment your computer using TuneUp Disk Defragmenter manually, you can start it from TuneUp Utilities interface -> Optimize System -> Defragment Hard Disk.


Use Windows Disk Defragmenter:

Windows 7 users

  1. Click Start, click All Programs, click Accessories, click System Tools, and then click Disk Defragmenter.

  2. In the Disk Defragmenter dialog box, click the drives that you want to defragment, and then click the Analyze button. After the disk is analyzed, a dialog box appears, letting you know whether you should defragment the analyzed drives.
    Tip: You should analyze a volume before defragmenting it to get an estimate of how long the defragmentation process will take.
  3. To defragment the selected drive or drives, click the Defragment disk button. In the Current status area, under the Progress column, you can monitor the process as it happens. After the defragmentation is complete, Disk Defragmenter displays the results.
  4. To display detailed information about the defragmented disk or partition, click View Report.
  5. To close the View Report dialog box, click Close.
  6. You can also schedule the Disk Defragmenter to run automatically, and your computer might be set up this way by default. Under Schedule, it reads Scheduled defragmentation is turned on, then displays the time of day and frequency of defragmentation. If you want to turn off automatic defragmentation or change the time or frequency, click the Configure schedule (or Turn on Schedule, if it is not currently configured to run automatically). Then change the settings, then click OK.
  7. To close the Disk Defragmenter utility, click the Close button on the title bar of the window.

Windows XP and 2000 users:

  1. Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Disk Defragmenter.

  2. In the Disk Defragmenter dialog box, click the drives that you want to defragment, and then click the Analyze button. After the disk is analyzed, a dialog box appears, letting you know whether you should defragment the analyzed drives.
    Tip: You should analyze a volume before defragmenting it to get an estimate of how long the defragmentation process will take.
  3. To defragment the selected drive or drives, click the Defragment button.
    Note: In Windows Vista, there is no graphical user interface to demonstrate the progress—but your hard drive is still being defragmented.
    After the defragmentation is complete, Disk Defragmenter displays the results.
  4. To display detailed information about the defragmented disk or partition, click View Report.
  5. To close the View Report dialog box, click Close.
  6. To close the Disk Defragmenter utility, click the Close button on the title bar of the window.
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