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Macs running operating systems older than OS X As you already know, disk defragmentation can greatly speed up the traditional hard drive. And it may take quite a time to read the file with its pieces situated in different places. And while it is not advisable to turn to such extreme measures, defragmenting a hard drive disk is a safe procedure if, of course, performed accurately. The process described above is applied only to the hard drives.

If you have a newer Mac that comes with SSD solid state drive , you should never defrag its data. SSDs operate in a different way to a traditional HDD and already have a built-in automatic maintenance process. Furthermore, all defragmentation attempts can even hurt your SSD. Flash memory used by a solid state drive has a finite lifespan because of the limited write and read cycles.


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And disk defragmentation is a process of reading the data from one place and writing it to another. So if you defrag SSD, you will perform thousands of write operations each time on the drive. It can speed up the degradation of a solid state drive and lead to its wear and tear.

Therefore, try some alternative methods that may help you speed up the system without disk defrag on Mac.

Permissions are file settings that affect the ability to read, write and execute the file. And if they are no longer set correctly, software that uses the file may not work right.

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It has the Maintenance module that will help you optimize your Mac, including verifying startup disk and repairing disk permissions. You can download CleanMyMac here. Therefore, before defragging your Mac, try to perform the Mac disk cleanup to increase the disk speed. Sometimes your Mac needs a good kick-start to run smoothly. Here are some tricks to speed up your computer.

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Try to update your software to the latest versions as it performs better than the previous ones. Usually system updates include performance and bug fixes that could be the reason of slowdowns. Ensure that your Mac has at least 10 percent of total drive storage available at any time to perform background actions and provide enough space for temporary files, caches, and virtual memory. A large number of apps may launch simultaneously when you turn your Mac on.

It will optimize Mac performance safely and quickly. We hope this article was helpful and you found the answers to all your questions here. Thanks for reading and share this article if you liked it!

Defragging OS X? How is it done?

How To. Blog How To News. Hit Return or Enter to search. How to defrag a Mac?

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Igor Degtiarenko. Mac OS X runs special maintenance programs periodically to clean these out. They run in the wee hours of the morning, so be sure to leave your Mac on overnight sometimes. A reboot can often help. You can also use shareware programs that clean out the logs. Yasu and Onyx are two popular programs.


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Defragment the hard drive. OS X tries to keep individual files from fragmenting, but the disk structure as a whole can suffer from too many small, unused patches. Check out the brand new podcast series that makes learning easy with host Eric Martsolf. Clearing Disk Space on Your Mac.

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iDefrag Review - Hard Disk File Defragmentation Software for Mac OS X