How to Defrag a Computer

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posted on 11 years ago — updated on 1 second ago

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This wikiHow teaches you how to defragment a hard drive, a process that rearranges and better utilizes the space on the drive to improve your PC's performance. Though defragmenting a hard drive is not typically advised for Mac users, you can see this wikiHow to learn how (and when) this might be necessary.

Steps

Windows 10 and 8

Open the Control Panel. The steps are slightly different depending on your operating system: Windows 10: Click the circle or magnifying glass to the right of the Start menu to open the Search bar, type control panel, then click Control Panel. Windows 8: Hover the mouse over the bottom-right corner of the screen to bring up the menu, click Settings, and then click Control Panel.

Select Small icons from the “View by” menu. It’s near the top-right corner of the window.

Click Administrative Tools. A list of admin tools will appear.

Double-click Defragment and Optimize Drives. It’s in the main (right) panel. A list of drives on your computer will appear. If your hard drive is set up to defragment automatically, you’ll see the word “On” under “Scheduled optimization” at the bottom of the window. You can change the schedule by clicking Change settings.

Select your drive and click Analyze. Windows will now check to see if your drive needs to be defragmented. If you have an SSD hard drive (solid state), this button will not be available. This is because it’s not necessary to defragment your SSD drive.

Select your drive and click Optimize. If your hard drive needs to be defragmented, click this button to begin the process. The defragmentation process can take anywhere from several minutes to several hours to complete depending on the state of your disk drive.

Windows 7 and Vista

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. For example, if you want your computer's main hard drive defragmented, then highlight "(C:)."

Click Analyze Disk. It’s near the bottom of the Window. Your computer will analyze the disk drive to determine whether defragmenting the drive is recommended.

Click Defragment disk if your computer instructs you to defragment. The defrag process can take anywhere from several minutes to several hours to complete depending on the state of your disk drive.

Click Configure schedule when Disk Defragmenter finishes. It’s above the list of hard drives.

Place a check mark next to "Run on a schedule."

Set a defragment schedule and click OK. Choose the frequency at which you would like Windows to automatically defragment your hard drive.

Select your hard drive and click OK. Your computer is now set to automatically defragment your hard drives on a schedule.

Windows XP

Click the Start menu and select My Computer.

Right-click your hard drive and select Properties.

Click the Tools tab. It’s at the top of the window.

Click Defragment Now. It’s in the “Defragmentation” group. This opens the Disk Defragmenter window.

Select the drive you want to defragment and click Analyze. Your computer will analyze that disk drive's files and folders to determine whether defragmentation is necessary.

Click Defragment if recommended by the tool. The drive will now be defragmented. This process may take several minutes to several hours. If you see a message that says the drive does not need to be defragmented, there’s no need to take any action.