How to Defragment MacBook Pro

By Elizabeth Falwell

Apple's MacBook Pro runs on the OS X operating system. This operating system self-streamlines, resulting in fewer file and program fragments on your MacBook's hard drive. This means your MacBook Pro usually does not need to be defragmented. In fact, Apple recommends against defragmenting. If you believe your MacBook Pro needs to be defragmented, Apple suggests that you follow a series of specific steps.

Step 1

Restart your computer. Apple advises you that keeping your MacBook Pro on for extended periods of time can reduce its speed. Restarting your MacBook Pro can alleviate this issue and make defragmenting unnecessary.

Step 2

Examine the files stored on your MacBook Pro's hard drive. Although Apple does not recommend defragmenting computers that run on OS X, it does say that users whose hard drive is nearly full, or who frequently create or edit large programs, may benefit from defragging.

Step 3

Browse through Apple's list of third-party disk utilities. Apple does not support or endorse any of these defragmenting and disk optimization programs.

Step 4

Download one of the disk utilities to your hard drive. Options include ProSoft's Drive Genius, as well as iDefrag and iPartition, made by Coriolis Systems.

Step 5

Run your selected third-party program on your computer following the prompts provided by the software. These specific prompts will vary based on the software that you select to defragment your MacBook Pro.

Tips & Warnings

  • Back up all vital files from your hard drive using a USB thumb drive or external hard drive. Delete everything on the hard drive, then reinstall OS X before reinstalling the backed up files. This may help avoid defragmenting altogether.
  • Because Apple does not support or endorse any third-party defragging programs, any damage done or data lost on your MacBook Pro's hard drive due to defragging is not covered under the product's warranty and may result in a nullification of the warranty.