TRANSCRIPT:
In this episode, Install & Run OS X Yosemite From A USB Flash Drive
Straight to a demo.
Soooooo, Let's Get Started.
What you will need:
An Intel Based Mac System.
A Downloaded copy of OS X Yosemite Installer (Developer Preview)
And finally, a fast USB 3.0 Flash Drive. Recommend 32GB Capacity. You could use 16GB, but the space used from theYosemite install is about 13.5GB leaving about 1.5GB to work with, in terms of space,
If you are thinking of using a USB 2.0 Flash Drive...well; all I can say, it’s Excruciatingly slow, and basically, you won’t get the same experience as with a fast USB 3.0 Flash Drive.
The USB 3.0 flash drive that I will be using is a 32GB JumpDrive P10 by Lexar which claims to have a 265 MB/s write and 245 MB/s read speeds.
I have included links in the description if you would like to find out more and please let me know in the comments below if you would like to see an unboxing of the Lexar P10 flash drive.
On with the demo.
As usual, since we'll be using Disk Utility, you probably know what I'm going to say, as mentioned on many of my videos, don't forget to make a Back Up if you have not already done so...can't say you have not been warned.
Now, with all the basic necessities taken care of, the first thing we'll need to do is format the Flash Drive using Disk Utility, so, after inserting the USB 3.0 flash drive in an available socket, the formatting and partitioning procedures for the USB 3.0 Flash Drive is no different that that shown on some of my previous videos involving creating a USB Boot Disk.
The only difference in this instance, after formatting and partitioning the flash drive, we’ll be installing OS X Yosemite on to it, where before, the OS X installer was copied onto a USB 2.0 boot disk.
Therefore; after formatting and partitioning the USB 3.0 flash drive, simply launch the OS X Yosemite installer and choose to install Yosemite on the flash drive just formatted and partitioned, as shown here.
I’ll just time lapse the installation process from here, which incidentally took about 17 mins and 30 seconds to the point where you begin to enter your location.
Once the required login details have been entered, you are brought to the Yosemite desktop.
At this point, it’s advisable to change the startup disk order from the USB 3.0 flash drive to your default start up drive, which in my case is the Macintosh HD as shown here.
Once that’s taken care of, I’ll just shutdown the Mac and proceed with the power and option key combination to startup the Mac and click the USB flash drive to launch OS X Yosemite as shown.
And that’s all there is to it.
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