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1. Install mac os x yosemite usb install#
2. Install mac os x yosemite usb update#
3. Install mac os x yosemite usb download#
4. Install mac os x yosemite usb free#

If you are using an 8 GB thumb drive, the whole disk will be erased. For this walkthrough, we used an 8 GB USB thumb drive. Choose the best option for the drive you wish to use. It will default to using the installer it found, but will also give you the option to use a different copy.ĥ.) The next window will ask if you are using an 8GB thumb drive or another kind of disk. It will default to Yosemite (10.10).Ĥ.) After choosing the OS you wish to use, you will be presented with a window notifying you that DiskMaker X found an installer.

Install mac os x yosemite usb install#

From there launch “DiskMaker X 4b4”ģ.) The first window will welcome you to DiskMaker X and ask you to choose which OS you want to make a bootable install drive for. Drag the Mountain Lion on a rock to the Applications folder that the arrow is pointing to.Ģ.) Open Finder and go to your Applications folder. Here is our brief walkthrough for making an install drive:ġ.) Open the DiskMaker X disk image (.dmg) file and you will get a window with the application and a shortcut to the Applications folder. For a walkthrough of creating a bootable OS X Mavericks USB install drive, click here. So don’t forget to backup your data first!įor more about OS X 10.10 and its new features, check out our convenient Yosemite Compatibility and Transition Guide. It should be noted that DiskMaker X erases the volume or the drive you chose, according to the options you chose.

All you need is an 8 GB (minimum) USB thumb drive, a USB, FireWire, or Thunderbolt drive or an SD-Card the OS X 10.10 Yosemite Installer from the App Store and the DiskMaker X application.

Install mac os x yosemite usb free#

Like the previous versions, DiskMaker X is free of charge (however, donations are accepted). Luckily, DiskMaker X helps fill the void by allowing you to make a bootable OS X 10.10 Yosemite USB install drive, making a task such as installing on several different machines easier. So if you previously relied on DVD installs, you will be unable to do so with this version.

Install mac os x yosemite usb download#

And like the previous versions of OS X dating back to OS X 10.7, Yosemite is only available for install via download from the Mac App Store.

Install mac os x yosemite usb update#

Update 09/2015: For help creating a bootable USB install drive for OS X El Capitan, click here.Īpple released the latest and greatest Mac operating system last month in the form of OS X Yosemite. That’s done with the “Erase” tab:Īs you can see, you’ll want to choose “Mac OS Extended (Journaled)” and click “Erase…” when you’re ready.UPDATE 09/2017: Create a Bootable macOS High Sierra Install Drive with DiskMaker X 7 If it’s not - and most USB flash drives are formatted for Windows, not Mac - then you need to reformat the drive. That’s the “after” picture because what the Yosemite installer is looking for is the Partition Map Scheme (lower right). Then look at the very bottom of the window where it shows all the data about the drive: Launch Disk Utility and choose the Kingston HyperX flash drive (or whatever other external drive you’re trying to use). That’s not good.įortunately, clicking on it reveals the problem:įind your “Utilities” folder in the “Applications” folder, and identify Disk Utility: The HyperX flashdrive is plugged in so I’ll click on “Show All Disks…” to choose it:īut, hmmm, it’s greyed out, indicating it’s not a selectable option. “BigHD” is my main drive on my MacBook Pro. Given your question, I’m going to assume you’ve already downloaded the disk image (“.dmg”) for the Yosemite installer. And that’s what this article covers.įor this task, I’m using a lovely Kingston 64GB HyperX external USB 3.0 flash drive (about $85 on Amazon). The other problem with using an external drive is making sure that it’s formatted correctly.

How many of your USB drives are that big? Of course, you can use an external hard drive too, and the process is similar, so that’s not a complete show-stopper. General rule of thumb for a modern operating system install is to have at least 30GB of space. There are two problems with this strategy, however: First is size. Boot up into Yosemite to play, experiment and test, then go back to the stable, shipping Mavericks for your production work. So yes, installing the OS on an external drive or second partition or similar is very smart. There’s also going to be all sorts of extra system logging for debugging purposes so performance isn’t going to be as snappy as people would prefer and there are issues of upgrading mailbox formats, bookmarks, preferences, etc, just to find out that if you need to back up to 10.9 Mavericks, well, you’re in a big jam. With a public beta, it’s inevitable that people are going to leap onto the bandwagon so they can have a preview of Mac OS X 10.10 “Yosemite”, just to find that there’s a reason that “beta” is in the name at this point and have things fail to work properly or even at all.