This should install the version of OS X that you had installed. I suggest using Ethernet if possibleīecause it is three times faster than wireless. Note : You will need an active Internet connection. Reinstall OS X: Select Reinstall OS X and click on the Install button. The Erase button and wait until the process has completed. The Security button and set the Zero Data option to one-pass.
Set the format type to Mac OS Extended (Journaled.) Optionally, click on Click on the Erase tab in the DU main window.ģ.
The only way to create enough space on your Mac to upgrade macOS is to get rid of files on your Mac. They include log files, resources, instructions, and everything else the operating system needs. After DU loads select your startup volume (usually Macintosh HD) from the Simply, they are all the files macOS installs and that are needed to boot and run your Mac. Select Disk Utility from the main menu and click on the Continue button.Ģ.
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears.ġ. However, I don't quite get what you are doing to reinstall Yosemite because you don't need to use the App Store directly.īe sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a nonprofit organization.There is no cost for Yosemite, however, you must have a valid and active account which means a current credit or debit card.
You can get the full hardware details of the Mac from the System Report. Related: 7 Best MAC Memory Clean Apps to Improve System Performance.
iPad and Mac must not be sharing a cellular and internet connection. To use wirelessly, both devices must have Bluetooth, Wi-Fi, and Handoff turned on and must be within 10 meters (30 feet) of each other. Both devices must be signed in to iCloud with the same Apple ID using two-factor authentication.