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#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE HOW TO#
#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE MAC OS#
#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE INSTALL#
#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE SOFTWARE#

Hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/Yosemite # Convert the boot image to a sparse bundle Hdiutil attach /Applications/Install\ OS\ X\ Yosemite.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app

#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE INSTALL#

If you have followed all the steps correctly, your computer should now boot right into the newly installed operating system, OS X Yosemite, and you could cherish its stunning new UI.ġ- You need download Install OS X Yosemite.app Step 7: Choose the Macintosh HD partition you erased in step 5 and then click Install. Now click on Install OS X and then hit Continue. Step 6: When the erasing process is complete, return to the first screen where you selected Disk Utility. This will wipe all files stored on your startup hard drive. Leave all the settings at their default values and then hit Erase button at the bottom right. Step 5: Click on Macintosh HD from the left hand-side pane and then hit Erase tab on the top-right portion of the window. Step 4: Click on Disk Utility and then hit Continue. This could take a few seconds or minutes. Step 3: Wait until the Yosemite installer appears on screen. Step 2: Choose the USB drive on the start-up drive selection screen and hit Enter/Return on the keyboard. As soon as the start-up chime plays, press the Option key (Alt). Step 1: Ensure the bootable USB flash drive is plugged into your Mac and restart the computer.

#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE HOW TO#

How to Clean Install OS X Yosemite on Your Mac The OS X Yosemite bootable USB flash drive will be ready for use and you can start the clean installation process. Once the process completes, you will see the message " Copy Complete. Do not interrupt the Terminal or eject the flash drive during the process.

This will create the bootable USB flash drive.

Please replace a single "-" with "-" when you enter the above command line in the terminal. Note: The code above has missing double dashes in the quotes. Sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install OS X Yosemite.app -nointeraction

Launch the Terminal app (in Applications/Utilities) and type or paste the following command in, and then hit Enter:.

After downloading the OS X 10.10 Yosemite instakker from the Mac App Store, just quit the installer and set the downloaded file's name to Install OS X Yosemite.app.

Click on Option and ensure GUID Partition Table is selected as the partition scheme, with its name set to Untitled.

Then choose Partition tab and select 1 Partition from Partition Layout dropdown menu.

Now click on Erase button and wait until the format process completes.

#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE MAC OS#

Choose Mac OS Extended (Journaled) in the format box and let the name be Untitled (default).

Select the USB drive from the left sidebar and click on Erase tab.

Plug in your USB drive into the computer and open Disk Utility (in Applications).

#DOWNLOAD OS X YOSEMITE ISO FOR EXTERNAL HARD DRIVE SOFTWARE#

You can do this by using the Time Machine feature in Mac OS X, or third-party software such as Carbon Copy Cloner.ģ) Create a bootable USB flash drive with a storage size of at least 8GB.Ĥ) Download OS X 10.10 Yosemite Final from the Mac App Store and save it to the Applications folder – its default location.įirst, create bootable USB flash drive. MacBook (Late 2008 Aluminium, or Early 2009 or newer)Ģ) Back up important data and settings (photos, videos, music files, documents and the like) on your Mac to an external hard drive.1) Ensure your Mac is compatible with OS X Yosemite.