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#Create a hard drive yosemite os x for macbook pro how to#
#Create a hard drive yosemite os x for macbook pro mac os x#
#Create a hard drive yosemite os x for macbook pro install#
#Create a hard drive yosemite os x for macbook pro plus#

I’ve had problems removing Yosemite from both within Mavericks and from recovery utils (accessible via Cmd+R), because Yosemite partition had the remove (minus) button grayed out and partitions were converted to Logical Volume Group (notice also the “Yosemite” name for whole disk instead of “APPLE SSD…”.

#Create a hard drive yosemite os x for macbook pro how to#

Update: If your Mavericks partition is missing and replaced with an OS X Installer drive, here’s how to fix that! Assuming you labeled OS X Yosemite partition descriptively enough, it’ll be easy to pick out. The easiest way to do this is by holding down the OPTION key during boot and selecting the partition volume according to the version of OS X you want to boot. Now that the installation is complete, you can dual boot between OS X Yosemite and OS X Mavericks (or whatever OS X you’re running).

#Create a hard drive yosemite os x for macbook pro install#

Things will continue to evolve with each new release and update though, and you’ll be able to install those updates through the Mac App Store when they become available.ĭual Booting: Switching Between OS X 10.10 and OS X 10.9

Let the installation complete, the Mac will automatically boot into OS X Yosemite when completeĮnjoy OS X Yosemite! Remember, it’s in beta right now, so some things are fairly buggy and not every feature is fully implemented quite yet.

Select “OS X Yosemite” (or whatever you named the partition) as the installation destination.

Return to the OS X Yosemite installer and launch it (look in the /Applications/ folder for “Install OS X 10.10 Developer Preview”.

With the whole system backup complete, Yosemite downloaded, and the partition made, you can now safely install OS X 10.10 onto the separate partition, this will allow you to preserve your existing OS X installation without mucking it up with beta software. Install OS X Yosemite to the New Partition

Choose “Apply” to modify the partition table to create the new partitionĮxit out of Disk Utility when finished, you’re good to start the installation now onto that fresh partition.

Label the new partition something obvious, like “OS X Yosemite”, and then assign the partition a reasonable amount of space, a minimum of 15GB should be required but allocating more space is better if you plan to use Yosemite often (25GB+).

#Create a hard drive yosemite os x for macbook pro plus#

Choose the “Partition” tab, then click on the plus button to create new partition.

Open the Disk Utility app, found in /Applications/Utilities/ and choose your hard drive from the left menu.

#Create a hard drive yosemite os x for macbook pro mac os x#

This insures that your primary Mac OS X installation remains separate and preserved while testing Yosemite: The first thing you’ll do is partition the hard drive of the Mac to create a new partition for OS X 10.10 Yosemite to install on. Once downloaded and having the Mac backed up, do not proceed with the Yosemite installation quite yet, you need to create the partition first if you want to keep the two operating systems separate and dual boot. Always back up everything before doing either, the simplest way to do this for most Mac users is simply to use Time Machine and initiate a backup manually. Back up your Mac – you’re going to be modifying the partition table of the hard disk and installing beta software.

At least 25GB of disk space available to create a separate partition and install Yosemite onto.

Check system requirements to be sure that the Mac can run OS X Yosemite, generally if the Mac will run Mavericks, it will run Yosemite.

Download OS X Yosemite – At the moment, you will need a Mac developer account to do this, anyone can apply for a dev account and pay the fee if desired, this allows you to download the OS X Yosemite Dev Preview installer through the Mac App Store.

This guide is intended for those with access to the OS X Yosemite beta, typically through a developer account. This also allows you to uninstall Yosemite at any point easily if you want to. This allows you to check out OS X Yosemite and dual boot between the OS X 10.10 beta and OS X 10.9 (or 10.8) without each operating system impacting one another, and you can safely switch between the two with a simple reboot process.