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How does a defrag work?

Updated: 10/3/2023
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10y ago

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Double click 'My Computer', then right click once on the drive you wish to defragment (usually C:/), select 'Properties' from the drop down menu and left click it, then double click the 'Tools' tab at the top and select 'Defragment'.

From your start menu, find Accessories, left click to open list of accessories choose System Tools, left click, choose defragment (left click), choose the drive you wish to defrag, usually C/:, left click and it will start the defragmenting process. If you have never defragmented before, it may take awhile, so don't be alarmed. It also a good idea to close any programs you may have running, as this slows down defragmentation. Good luck!!

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8y ago
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15y ago

Start/All Programs/Accessories/System Tools/Disk Defragmenter

but the one that comes with windows is rubbish, 3rd party disk defragmenter like Defraggler are much better. True, the Windows program is just too slow and may not be able to defrag thoroughly on heavily fragmented drives. Besides it needs atleast 15% free space. I recommend Diskeeper. Its totally automatic and has advanced options like low free space and system file defrag.

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13y ago

To being the process click Start then Run then type "dfrg.msc" (without the quotes). You can also get to the defragment program by going to Start > All Programs > Accessories > System Tools > Disk Defragmenter.

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13y ago

You defragment you computer by, in Windows, going to Start -> All Programs -> Accessories -> System Tools -> Disk Defragmenter. Macs file system does not need defragmenting, and all current Linux file systems.

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10y ago

A defrag usually looks for file fragments that match the size of other files that are fragmented. It then moves those fragments to other locations and fills the space with cotinuous files from elsewhere. Typically a defrag will begin to look for space closer to the beginning of the drive and will seek to fill that space with the files that are already closest to that region. Files that aren't fragmented are physically shifted to take up space and remove gaps. Depending on how fragmented the drive's contents are, and how much empty space is on the drive, the process will take varying amounts of time. It's similar to organizing a deck of well-shuffled cards into suits and ranks. With a large, empty table you have plenty of room to build each suit in order. If you have to use just your hands, it takes longer and is a more complicated process, but it can still be doned.

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12y ago

It depends on the version of windows you have installed on your computer. You will find the defrag options in the control panel. You simply follow the wizard and it will take you through it.

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15y ago

go to start\all programs\accessories\system tools\ defrag tool let it run and it should defrag your hard drive

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Related questions

Use defrag in a sentence?

Many people believe that your computer will work more efficiently if you defrag it regularly.


Disk defrag doesn't work in vista?

That is a statement not a question tard and it does work.


How does defrag work?

When you defragment your computer, it places all kinds of clustered files into a more organized form, taking less time to find them. Be careful not to defrag more than once every couple months, since that will destroy your hard drive if you over defrag.


How to defrag System Reserved?

You don't need to defrag the system reserve but if you want to anyway there is a program called auslogis disk defrag that lets you defrag system reserve


What command to defrag the drive from a command prompt window?

Defrag


Why do you Defrag comps?

you don't have to but when your computer gets fraged it starts to move slower because it is trying harder to find the information. when you defrag your computer it moves the info to places were it can find it better.so you can work faster.


What command is used to defrag the drive from a command prompt window?

depends on the OS, but for most it is : defrag <DRIVE> example: defrag c:


Do you have to be on the Internet to defrag?

No! In fact, it's best that you're NOT online while doing a defrag. Anytime defrag hits a part of a hard drive where the information is changing, defrag restarts doing that portion of the drive. While on the Internet, your PC is constantly sending and receiving files and changing what's on the hard drive. Your defrag will take a lot longer.


How do you defrag with Windows xp?

Start-All programs-accesories-Systerm tools-defrag


How do you run defrag with vista?

As far as I am aware, in Vista, you can't select specific drives to defrag. It's all or nothing. Do note that Vista uses a type of automatic defrag. That said, the automatic defrag in Vista is not as good as some of the third party solutions. The commercial defragmenters offer more control and features than the Vista defragger. Generally, automatic defrag is better than older manual or scheduled defragging since defragging takes place in the background without user intervention. Files are maintained in an optimal condition while the user can continue to work on the PC as usual.


Does a defrag program create copies of data?

Usually not, The best Defrag program to use is the one the came Pre Installed in windows its located under Start, All Programs, Accessories, Tools - Or System Tools Defrag. What defrag does is put similar files together in order kinda like how a library puts books on a shelf, That way they can find them easier defrag is virtually the same.


Can you defrag a Mac SSD?

1 . Mac machines which comes with HDD requires defragmentation. SSD's no need. 2 . You don't need to regularly defrag a Mac's hard drive, OS X has HFS+ file ,which automatically defrag files of certain size. 3. Download Stellar Drive Defrag 4.. Install it and scan whole Mac, it will take some time and defrag your Mac properly.