Diskmaker X Yosemite

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Basically, a false mount is a folder created with the same name as your Install drive, and that makes the Install disk adopt the same name with “1” at the end, i.e. “Install Mac OS Sierra 1”. If this error happens: in Finder, click on Go Go to Folder menu; Type /Volumes/. If a folder (not a disk!) is named “Install macOS Sierra”, “Install OS X Yosemite”, or “Install OS X El Capitan”, delete the folder (you may need admin. One Click to Burn Mac OS X 10.10 Yosemite to a USB Flash DriveDiskMaker X (formerly Lion DiskMaker) is an application built with AppleScript that you can use.

DiskMaker X is a practical tool developed with AppleScript that lets you copy an install file for the OS X Yosemite operating system to a USB drive so you can turn it into a boot disk during startup.
To make the copy, you just have to install the DiskMaker X application on your computer, download a copy of Yosemite, and follow the assistant's steps to set it up. You must have a USB drive with at least 8 gigabytes of space and free of important files since the memory will have to be completely reformatted to make a copy of the operating system.
If all goes well, after a few minutes, you'll have a Yosemite installer on the USB drive that you can then use to install a clean copy of the operating system on your Mac. Its own developers describe it as the easiest way to create a boot disk for OS X.
What's more, this tool is not only useful for Yosemite but also supports the Mavericks and Mountain Lion installers as well.
Diskmaker X Yosemite

Diskmaker X Download

DiskMaker X Pro is DiskMaker X, on steroids. Provide the installers, name your disk DMX-Target and launch DiskMaker X Pro. Follow the instructions, copy your installers in the right folder, and within a few minutes, you’ll get a disk with every macOS / OS X installer. Once you have downloaded the Install macOS Sierra and DiskMaker X 6, add both of them to an application. Add DiskMaker X 6 to Application Create Bootable USB for Mac on Windows 10. Go ahead and launch the DiskMaker X 6, after that select a Version of operating systems like Yosemite, El Captain or MacOS Sierra. Since macOS High Sierra is.

Diskmaker X Yosemite

Notes

Diskmaker X 8

Mac OS X 10.6x or higher is required to run this application.

It was 2009 when Apple last released a new operating system on physical media. Things have proceeded remarkably smoothly since version 10.7 switched to download-only installers, but there are still good reasons to want an old, reliable USB stick. For instance, if you find yourself doing multiple installs, a USB drive may be faster than multiple downloads (especially if you use a USB 3.0 drive). Or maybe you need a recovery disk for older Macs that don't support the Internet Recovery feature. Whatever the reason, you're in luck, because it's not hard to make one.

As with last year, there are two ways to get it done. There's the super easy way with the graphical user interface and the only slightly less easy way that requires some light Terminal use. Here's what you need to get started.

  • A Mac, duh. We've created Yosemite USB from both Mavericks and Yosemite, but your experience with other versions may vary.
  • An 8GB or larger USB flash drive or an 8GB or larger partition on some other kind of external drive. For newer Macs, use a USB 3.0 drive—it makes things significantly faster.
  • The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary.
  • If you want a GUI, you need the latest version of Diskmaker X app—we wrote this article based on version 4 beta 2, but if a 'final' version is released alongside Yosemite we'll update the article. This app is free to download, but the creator accepts donations if you want to support his efforts.
  • An administrator account on the Mac you're using to create the disk.

The easy way

Once you've obtained all of the necessary materials, connect the USB drive to your Mac and run the Diskmaker X app. The app will offer to make installers for OS X 10.8, 10.9, and 10.10, but we're only interested in Yosemite today.

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Diskmaker X has actually been around since the days of OS X 10.7 (it was previously known as Lion Diskmaker), but it's more important now because Apple has made alterations to the installer that prevent easy USB drive creation using the built-in Disk Utility app. It's still possible to create a disk manually using a Terminal command (which we'll go into momentarily), but Diskmaker X presents an easy GUI-based way to do it that is less intimidating to most people.

Select OS X 10.10 in Diskmaker X, and the app should automatically find the copy you've downloaded to your Applications folder. If it doesn't detect the installer (or if you click 'Use another copy'), you can navigate to the specific installer you want to use. It will then ask you where you want to copy the files—click 'An 8GB USB thumb drive' if you have a single drive to use or 'Another kind of disk' to use a partition on a larger drive or some other kind of external drive. Choose your disk (or partition) from the list that appears, verify that you'd like to have the disk (or partition) erased, and then wait for the files to copy over. The process is outlined in screenshots below.

The only-slightly-less-easy way

If you don't want to use Diskmaker X, Apple has actually included a terminal command that can create an install disk for you. Assuming that you have the OS X Yosemite installer in your Applications folder and you have a Mac OS X Extended (Journaled)-formatted USB drive named 'Untitled' mounted on the system, you can create a Yosemite install drive by typing the following command into the Terminal.

sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X Yosemite.app --nointeraction

The command will erase the disk and copy the install files over. Give it some time, and your volume will soon be loaded up with not just the OS X installer but also an external recovery partition that may come in handy if your hard drive dies and you're away from an Internet connection.

Cached

Whichever method you use, you should be able to boot from your new USB drive either by changing the default Startup Disk in System Preferences or by holding down the Option key at boot and selecting the drive. Once booted, you'll be able to install or upgrade Yosemite as you normally would.