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#Jesus vigo revisits create a usb installer for os x yosemite how to
#Jesus vigo revisits create a usb installer for os x yosemite for mac os x
#Jesus vigo revisits create a usb installer for os x yosemite mac os x
#Jesus vigo revisits create a usb installer for os x yosemite install

You will see two “OS X Base System” volumes in the Finder’s left-hand pane. Use the Finder to navigate to the USB flash drive.Once complete, the “Install Yosemite” partition will be renamed to “OS X Base System”.Depending on the speed of your USB flash drive, it may take several minutes or longer to complete this operation.

The USB flash drive will be written with the contents of “BaseSystem.dmg” file.Click the Restore button and then the Erase button.Drag the “Install Yosemite” partition under the USB flash drive to the “Destination” field.The “Source” field will be populated with “BaseSystem.dmg”. Select the “BaseSystem.dmg” in the left-hand pane and click on the “Restore” tab.Use Disk Utility to clone the “BaseSystem.dmg” to the USB flash drive:.(Double-click won’t perform any action because it is a hidden file.)

#Jesus vigo revisits create a usb installer for os x yosemite install

In the “OS X Install ESD” volume, right-click on the “BaseSystem.dmg” file and select “Open” to mount it.A volume called “OS X Install ESD” will show up on the desktop and under DEVICES in the Finder.

Open Contents, then SharedSupport, and double-click on the InstallESD.dmg (disk image) file to mount it.

Right-click (hold the “control” key and click) on it and select “Show Package Contents”.

Launch the Finder and locate the “Install OS Yosemite.app” file.

Restore the Yosemite installation image to the USB flash drive: This format operation should take less than a minute to complete.

Click the “Erase…” button at the bottom and then the “Erase” button in the popup dialog.

Click on the “Erase” tab, select “Mac OS Extended (Journaled)” for “Format” and input a name like “Install Yosemite” (or anything because this name will be overwritten later).

On the left-hand pane, select the USB drive (not the partition under it, if any).

Launch the “Disk Utility” to format the USB Flash drive.

Plug in a USB flash drive of size 8GB or larger.

# Close all Finder instances (and re-launch so settings take effect). # Configure Finder to show hidden system files.ĭefaults write AppleShowAllFiles TRUE Launch the “Terminal” app and run this command to move the downloaded installer app to your user’s “Downloads” folder: To keep that file, you will want to move it out of the Applications folder so it won’t be deleted after an upgrade. Note: If you run the Yosemite installer to upgrade your Mac, the downloaded installer file will be deleted automatically after the upgrade is completed. Launch “App Store” and search for “OS X Yosemite”.

#Jesus vigo revisits create a usb installer for os x yosemite mac os x

(If you want an earlier version like Mac OS X 10.9 Mavericks, you’ll need to get it from elsewhere.) It is the version currently available for download from the “App Store”.

#Jesus vigo revisits create a usb installer for os x yosemite how to

The instructions I found that worked, using Disk Utility, were located at How to Make a Bootable OS X Mavericks USB Install Drive and How to Create a Bootable Install USB Drive of Mac OS X 10.10 Yosemite.įirst, download the latest Mac OS X version, which is 10.10 Yosemite. I tried several methods which failed to create a bootable USB flash drive before finding one that succeeded.

#Jesus vigo revisits create a usb installer for os x yosemite for mac os x

You will need an 8GB USB flash drive for Mac OS X Yosemite or Mavericks. These instructions will also work for Mac OS X 10.9 Mavericks (excluding a Yosemite-specific step) and differ significantly from the instructions for creating a Mac OS X 10.6 Snow Leopard installer. In this post, I will go over instructions on how to create a bootable USB flash drive containing the Mac OS X 10.10 Yosemite installer.

I followed the instructions below to successfully create a bootable installer for Mac OS X 10.11 El Capitan, which is the last version to support the 2008 Core 2 Duo Macbook Pro. I needed to upgrade my sister’s 2008 Macbook Pro and found that the existing Mac OS X 10.6 Snow Leopard did not support the “createinstallmedia” tool I got a “Failed to start erase of disk due to error (-9999, 0)” error. Update 2: The instructions below will work to manually create a Mac OS X 10.11 El Capitan USB installation drive. Update: Go to Install macOS Sierra Using Bootable USB Flash Drive if you want to install macOS 10.12 Sierra instead.