How to Make More Room on an OS X Startup Disk


A lack of free space on an OS X startup disk can slow the computer, cause other performance problems and result in difficulty when you need space for applications or files. However, you can take steps to make more room on your computer.

Things You'll Need

  • Disk-scanning utility for Mac
  • Obtain a disk-scanning utility for Mac and use it to check your hard drive and identify where on your disk you may be wasting space. These types of utilities show you the size of various folders and the contents of the folders. This can help you identify large files or applications that you can uninstall, trash or archive.

  • Uninstall applications you don't use. Many programs include uninstallers in the program folder. Use the uninstaller that is included with an application, if one is available. Otherwise, you can drag the application to the Trash. Many programs create preference files that include your personal settings. These are not removed when you drag the application to the Trash. If you want to remove the preference files for an application, use a third-party application removal program for Mac.

  • Drag files that you don't need to the Trash, and archive those that you don't use regularly. External drives, DVDs and online file archiving services allow you to store files that you don't want to throw away, thereby letting you regain space on the hard drive.

  • Navigate to the Finder, click on the "File" menu and select "Empty Trash." Confirm that you want to empty the Trash by clicking "Empty Trash" in the dialog box.

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