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.
I am using Stellar Drive Defrag tool to defrag my Mac. It has many advance features, free version of this tool will show you the status of fragmentated drive. You can either defrag whole Mac or any selected drive, you do not need to worry about increasing temperature of your Mac drive during defrag process. This tool has temperature bar to make you aware of temperature of your Mac drive.
it's okay to do it once in a few months for a hdd but NEVER defrag an ssd
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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 do you mean?If your mac is loading slow on startup, it is most likelyto do with its SSD; so I'd recommend getting that checked out, or clearing up some space :)
Crucial UK offers server, mac and performance memory. They can help you find a solution by manufacturer or memory type and offer mac support and SSD support.
Defrag
depends on the OS, but for most it is : defrag <DRIVE> example: defrag c:
How can get ssd solution
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.
Start-All programs-accesories-Systerm tools-defrag
Many people believe that your computer will work more efficiently if you defrag it regularly.