Write an article based on this "Click the Start menu and select All Programs. Click the Accessories menu and select System Tools. Click Disk Defragmenter. Highlight the disk drive you to defragment. Click Analyze Disk. Click Defragment disk if your computer instructs you to defragment. Click Configure schedule when Disk Defragmenter finishes. Place a check mark next to "Run on a schedule. Set a defragment schedule and click OK. Select your hard drive and click OK."

Article:
For example, if you want your computer's main hard drive defragmented, then highlight "(C:)." It’s near the bottom of the Window. Your computer will analyze the disk drive to determine whether defragmenting the drive is recommended. The defrag process can take anywhere from several minutes to several hours to complete depending on the state of your disk drive. It’s above the list of hard drives. " Choose the frequency at which you would like Windows to automatically defragment your hard drive. Your computer is now set to automatically defragment your hard drives on a schedule.