Create A Bootable Yosemite USB. Step 1: The user will need to download OSX Yosemite from the link is given above in the article. Step 2: The user will need to make a USB Drive that is bootable. To get that, the following needs to be done. Insert a high memory USB Drive. Yosemite Bootable Usb Download Software; Yosemite Bootable Usb Download. Os X Yosemite Bootable Usb Downloads; Download Os X Yosemite Bootable Usb; Download El Capitan OS X is also significant since it’s the last version of Apple Mac OS X releases as its successor Sierra was released in the year 2016 under the brand macOS. OS X Yosemite bootable USB. Step 1: First step is to download OS X Yosemite installation file. The download size is about 5.2 GB and can be downloaded by following the instructions in our how to download OS X Yosemite guide. Step 2: Next step is to download and install DiskMaker X app.
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Want to learn how to create a bootable USB installer for OS X Yosemite?. Here is the complete step by step guide which you can follow on your MAC create the bootable USB disc. We all know that Yosemite OS X is the latest operating system form Apple, which comes with lots of new features and improvement. If you are interested in new OS and want to try it then sign up for the OS X Beta Program here, which will allow them to test the new OS, if selected.
Once you have the installation app for Yosemite (Install OS X 10.10 Developer Preview), don’t install it directly, other wise you will lose the file and can’t make the USB disc. To get started all you nee a *GB or above USB drive, Apple computer with Mac App Store (10.6.8+) and OS X Yosemite installer.
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Step 1. Insert the USB drive or Disc on youir MAC and run the Disk Utility app from the Applications > Utilities folder.
Step 2. Now in the app select the USB drive and Selct the Partition Tab.
Step 3. Under Partition Layout, select 1 Partition from the drop-down menu. And enter the Partition information Name: ”yosemite”, Format: “Mac OS Extended (Journaled)”.
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Step 4. Click the Options... button and Select GUID Partition Table. After that hit the “Ok” button then “Partition” button.
Step 5. Now the partition process will start and this will take some time to format and making USB drive as a 1 partition
Now the USB part is over and lets move to the OS X Yosemite installer package.
Step 6. Go to Applications again and find the Install OS X 10.10 Developer Preview app that you downloaded.
Step 7. Right-click the installer and select Show Package Contents from the context menu. See the Screenshot below:-
Step 8. Now navigate to Contents -> SharedSupport and open InstallESD.dmg
Step 9. This will start the verify process on your MAC. Wait for some time…….
Step 10. Once the verify process is done you will see the Package Folder.
Step 11. Don’t do anything with this Packages folder just yet. First, we need to unhide the files located in this newly mounted OS X Install ESD image.
Step 12. Launch Terminal.app to enter a command to unhide the file and folder on your MAC.
Step 13. Enter the below mention two commands one by one:-
defaults write com.apple.finder AppleShowAllFiles TRUE
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killall Finder
Step 14. Now you will see three more files next to the Package folder (Step 10)
Step 15. Switch back to Disk Utility.app to select the partition name created in step 3.
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Step 16. Now drag the partition from the device list to the Destination box. Also, drag the BaseSystem.dmg to the Source path
Hit the Restore button.
Step 17. Now a new popup screen appears. From here click on Erase to start the restore process, then enter in your admin password and hit OK to proceed.
Step 18. Once the restore process is done, you will see a new window son your screen. Like the screen below:-
Step 19. Here, open the “System” > “Installation” folders and move the Packages file to trash.
Step 20. Now copy the Packages folder from Step 10 and paste it into the Installation folder that you just opened in previous step.
Step 21. Now Hide the system files again using this command on terminal window
defaults write com.apple.finder AppleShowAllFiles NO
That’s it!. To perform a clean install on your MAC, simply insert the USB drive that you created, power on the computer, and hold down the [option] key to access the boot selection menu. From there, select the USB drive partition, and follow the prompts to install OSX 10.10 on your Mac.
There are many ways that you can create a bootable Mavericks USB Drive but this seems to me the far easiest way to do so. In this article I will assume that you already have a reasonable grasp of the OSX system and cut out the lengthy text:
1. Download Yosemite from the Apple Store
Yosemite can be downloaded directly from Apple Store here. After download it will try and install automatically on your Mac. Just cancel out of this.
2. Verify the Installation Files are present
Head over to your Applications folder and check that there is a file which says Install Yosemite
2. Prepare a USB Flash Drive (Must be 8Gb or larger)
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- Plug the USB Drive in to your Mac and open “Disk Utility” (found under applications / utilities in finder)
- Select the USB Drive
- Select the Erase tab
- Ensure that the format is Mac OS Extended (Journaled)
IMPORTANT – Leave the name as “Untitled”. If you change this the next step won’t work
3. Create the Bootable Yosemite USB Drive
Open up Terminal (found in applications)
Type this in:
Wait for the process to complete. Done.
4. Boot from the Yosemite USB Drive
Restart your computer and hold down “Option”. You can now select the USB Drive you just created.
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This article is an updated version of our previous Mavericks USB Install Guide.