Right-click the installer and select Show Package Contents from the context menu; b. Drill-down through the Contents Shared Support directories and drag-drop the InstallESD.dmg to the desktop; c. Using Disk Utility's 'Restore' tab, Perform a Restore into the appropriate partition, using InstallESD.dmg as the source. Apr 21, 2018 The 5GB OS X Yosemite installer app that downloads into your Applications folder when you first install it via the Mac App Store. The file name is Install OS X Yosemite. After you upgrade to Yosemite, this file is deleted. So you have to quit the installer once it appears in order to keep this file.
Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierra
First, review this introductory article: Create a bootable installer for macOS. Second, see this How To outline for creating a bootable El Capitan installer. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window. You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X.
Make Yosemite Bootable Usb
Drive Partition and Format
- Open Disk Utility in the Utilities' folder.
- After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.
- Click on the Erase tab in the Disk Utility toolbar. Name the drive, 'MyVolume'. <---- IMPORTANT!
- In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
- Click on the Apply button and wait for the Done button to activate. When it does click on it.
- Quit Disk Utility.
Create Installer
Open the Terminal in the Utilities' folder. Choose the appropriate command line (in red) depending upon what OS X installer you want. Paste that entire command line from below at the Terminal's prompt:
Command for macOS High Sierra:
sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS High Sierra.app
Command for macOS Sierra:
sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS Sierra.app
Command for El Capitan:
sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app
Command for Yosemite:
sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Yosemite.app
Command for Mavericks:
sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Mavericks.app
Press RETURN. You will be asked for your admin password. It will not echo to the Terminal window. Then press RETURN again. Wait for the return of the Terminal prompt signifying the process has completed. It takes quite some time to finish. Be patient.
Sep 13, 2018 1:16 PM
One of the most awaited Operating System of 2014 i.e. Mac Yosemite is now available for use. Apple has recently released the beta version of the latest Yosemite OS with new and advanced features. Who wouldn’t like to try this latest version? Every Mac user would love it! You can easily work with and get familiar with all features of this new Yosemite that too without disturbing the already running Mac installation in simple steps. Yes! you can achieve this by just creating a bootable USB flash drive with Yosemite and then connecting it to the Mac desktop or laptop to install Yosemite from USB securely.
It’s just a few simple step procedure and within minutes you can create Yosemite bootable USB. The process involves two stages – creation of bootable USB flash drive and then installation procedure. Below is the complete step-by-step procedure to achieve this, just read on…
Stage 1: Create Bootable USB Flash Drive
- First connect your USB drive to the Mac computer and launch Disk Utility tool. Now select drive indicating USB flash drive (select the USB drive you want to make the bootable installer) from the available drives list
- Then just click on the “Erase” tab and format the drive as “Mac OS Extended (Journaled)”
- Then just click on “Erase” and confirm the selection
- Go to “Partition” tab and under ‘Partition Layout’ section click on the pull-down menu and change the layout to “1 Partition” from “Current”
- Change the partition name from “Untitled 1” to “Untitled” and then click on “Options” button
- Choose the partition scheme as “GUID Partition Table” and select “OK”
- Once done click on “Apply” to confirm the creation of the partition
- After the partition is successfully created download the Macintosh OS X 10.10 Yosemite installer from Mac App Store, once done quit the installer and set the downloaded file's name to Install OS X Yosemite app.
After completion, launch the Terminal app (located in Applications/Utilities) and type or copy - paste the following command, and then hit Enter:
sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X Yosemite.app –nointeraction
Once done Quit the Disk Utility; With this your OS X Yosemite bootable USB flash drive will be ready for use and you can start the clean installation process.
Stage 2: Clean Install OS X Yosemite on Your Mac
- Now, connect the bootable USB flash drive into your Mac and restart the computer, once the start-up chime plays, just press the Option key (Alt).
- On the start-up drive selection screen choose the USB drive and hit Enter / Return on the keyboard.
- The process might take few minutes, just wait until the Yosemite installer appears on screen
- Once it appears, click on Disk Utility and then hit Continue.
- From the left hand-side pane of the Mac, find and click on Macintosh HD and then on the top-right portion hit Erase tab. Select default values for all options and then hit Erase button at the bottom right; by doing this all files stored on the startup hard drive will be wiped off.
- After completion of the erasing process just return to the first screen and click on Install OS X and then hit Continue.
- Now, select the Macintosh HD partition that was erased in step 5 and then click Install
Os X Yosemite Usb Installer Windows
By following all the above steps correctly, your computer will now boot into the newly installed OS X Yosemite, and you could just enjoy all its stunning new UI and advanced features. However, before performing the process make sure you have proper data backup, as there are chances of losing your data due to interruption or by selecting improper option. In such cases Remo Recover software could help you to perform Mac lost data recovery in just few minutes.