How to defrag a mac disk

Also, the disk wears out quickly due to the need for accessing the disparate sectors. Defragmentation is the reverse process. The files on the hard disk are reorganized in such a way that the parts of one large file are stored side by side. In short, defragmentation removes the gaps between the recorded parts of the files, collecting them into a single whole part. As a result, defragmentation allows you to speed up your computer. The main purpose of this component is to automatically prevent fragmentation of disk storage.

Moreover, Apple computers use SSD hard drives that have a different algorithm to eliminate fragmentation. Thus, there is no need for Mac disk defrag.

How to Defrag a Mac? Is it Necessary?

The only exception where you may need to defragment Mac is the following circumstance:. The macOS does not provide a tool for defragmenting the hard drive. The only thing Apple recommends is to make a full backup of your data, format the hard drive, reinstall the operating system, and then recover the files. There are several apps for this task:.

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Also, never use these programs on a Mac with an SSD. Otherwise, you can damage your disk and the system. Clean up your Mac periodically in order not to get your startup disk full. Enough free disk space will never cause fragmentation of files. If you want to defrag your Mac, you should make a backup copy with Time Machine and reinstall your operating system.

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Why Mac Hard Drives Don’t Need Defragmenting

What Does Defragmentation Mean? Does a Mac need disk defragmentation? Acquire defragmentation software. Since most OS X Macs, most of the time, don't need defragmenting, no defragmentation tool is included in the computer's Disk Utility program. Another software option is Prosoft's Drive Genius 3, Genius 3 addresses both free space and data fragmentation on a hard drive. Is also offers a graphical window that gives you a color coded preview of how fragmented your hard drive is, as well as several other features to maintain the health of your hard drive. There are other options available.

Be sure to thoroughly check reviews and user ratings before paying for any of them, and be sure to download them from a clean site. Unfortunately, Macintosh computers running System 9 and earlier are now considered so outdated that software for them isn't widely available anymore, even online. To find a defragmentation utility such as Norton Utilities or Alsoft PlusOptimizer , you'll probably have to get in touch with other longtime Mac users about purchasing or trading for a used copy. Install and run the defragmentation utility. If you bought your program online, it should download as a file you can double-click to open.

Follow the instructions on the screen until the program is successfully installed, and then launch it. In most cases, the available options from this point are self-evident. Choose to defragment your hard disk and allow the program to run until finished.

What Is Disk Defragmentation After All?

Generally speaking, you shouldn't move the computer while your hard disk is being de-fragmented. Choose a time to defragment when you won't have to lift, drag, or otherwise move the computer for a while. Be sure to backup up your computer before beginning the defragmentation process. Method 2. Back up files. Fortunately, Mac owners have a plethora of options available to them for doing this.

Choose whichever method suits you the best. Remember that virtual storage and physical storage each have advantages and disadvantages, and remember that anything you don't back up will be gone forever once you reformat your computer's hard drive. Be thorough. Back up with iCloud if most or all of your content is legally purchased files from the iTunes store.

How To Safely Defrag a Mac Hard Drive

The iCloud service backs up all such content automatically on a daily basis, as well as details like user settings, text messages, phone contacts, and so on. For most users, iCloud is more of a smartphone option than a computer option. Back up to an external hard drive. This is the time-honored method most people use to back up their computer. Run a program such as Apple's own Time Machine utility, and point it to the external drive you have connected to your computer. The program will create a backup copy of everything except system files.

You can also back your drive up manually by literally dragging everything you want to save onto your external hard drive's desktop icon en masse , but this is messy, slow, and less reliable than letting a program take care of it for you, in most cases. Back up to physical media. This isn't recommended, as it's easy to misplace or damage the discs, but in a dire emergency it can help you save data and applications that might otherwise have been lost.

Restart from disc.

Load your Mac's Install disc into the optical drive and reset the computer. You'll see a list of language options, and then a menu screen. From this point until you've completely finished reinstalling your system software and reset the computer, do not remove the Install disc from the drive for any reason.

Run Disk Utility. Disk Utility will erase that entire drive. Erasing a hard drive takes time. Be prepared to wait a while and, as before, don't jostle or move the computer while it's erasing. Be very careful not to select your backup drive by accident. If you're worried you might, just unhook it from your computer before you restart it. Reinstall the system software. Once you're done erasing your hard disk, quit Disk Application to find a Mac Installer window.

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Read it if you want, then accept it and click the hard drive you just erased on the next screen. Restart and update.