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Upgrade to OS X Yosemite (10.10)


Check the Yosemite Known Issues Page in the IS&T Knowledge Base for software compatibility. Staff should check with their department’s IT support provider to determine when to upgrade. 


Before performing any upgrade, always back up your computer using Crashplan or the backup system provided by your local IT support provider (local Time Machine backup, etc.).

Prerequisites

  • OS X 10.6.8 (Snow Leopard) or later
  • 8 GB of available disk space
  • 2 GB of RAM
  • Administrator account access

Supported models:

  • iMac (Mid 2007 or newer)
  • MacBook (Late 2008 Aluminum, or Early 2009 or newer)
  • MacBook Pro (Mid/Late 2007 or newer)
  • Xserve (Early 2009)
  • MacBook Air (Late 2008 or newer)
  • Mac mini (Early 2009 or newer)
  • Mac Pro (Early 2008 or newer)

Instructions

Installation can take 40 minutes or more to complete.

  1. Obtain Yosemite via the IS&T download grid.
     Before upgrading on their own, departmental users should first check with their local IT support regarding the roll-out plan of any new operating system.
  2.  Double click the installer DMG from your download folder.

  3. When the DMG opens, double click OS X Yosemite Launcher.

  4. You will see the Yosemite Launcher Welcome Screen, click OK to begin. The install files will now copy to the Applications folder and automatically launch the installer.

  5. From the window labeled Install OS X select the button labeled Continue.

  6. When presented with the license agreement, click Agree.

  7. Click Agree again from the slide-down screen.

  8. Select a drive to install OS X Yosemite on (if you only have one disk available on your Mac, you don't have to select anything) and click Install.

  9. Enter the username and password for your user account when prompted and select OK
    Note: Account must have a password, if user does not have a password, one must be set in System Preferences at this time




  10. The application will now download the installation files.
    installing progress screen
  11. Once these files have been downloaded, you can either click Restart to restart your Mac or it will restart automatically after a set period of time.
    ready to restart screen

  12. Upon restart, OS X Yosemite will begin installing. You cannot use your computer during this time.
    installing progress screen after restart

  13. When the installation has completed, your computer will automatically restart.
    Result: OS X Yosemite (10.10) has been successfully installed.

To learn what's new in OS X Yosemite, visit Apple's Yosemite page.

For additional Yosemite documentation, visit the Yosemite landing page in the Knowledge Base.

IS&T Contributions

Documentation and information provided by IS&T staff members


Last Modified:

May 05, 2016

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