In order to create a bootable USB with OS X Yosemite (10.10), you need to use an 8 GB+ USB storage device.

Step 1

Creating a bootable USB drive of OS X Yosemite 10.10 if you want to save it on a external drive for future usage or just want to install it on multiple Mac computers. To make OS X Yosemite bootable USB installer drive, there are few requirements. Lets see what are those. Apple released the new Mac OS X 10.10 Yosemite in the Mac App Store for everyone to download and install for free on October 16th, 2014, but downloading a 5+ GB file for each of your computers will take some serious time. The best thing to do is download it once and create a bootable install USB drive from the file for all of your Macs. It has dark and light color schemes, new icons, Lucida Grande with Helvetica Neue as the system typeface defaults. Related Versions of Download Yosemite DMG. OS X 10.10.5 Delta update 10.10.4 to 10.10.5 (1.02 GB) OS X 10.10.5 Combo update 10.10 to 10.10.5 (2.12 GB). Mac OS X Yosemite 10.10.5 (14F27) Installer.

Download 'Install OS X Yosemite.app' from App Store.

Step 2

Create a Bootable OS X Yosemite 10.10 USB Drive - Duration. How to Setup OS X Yosemite Download Install From Server. With Mac OS X 10. 5 Yosemite Official the system has been made more powerful as well as easy to use while retaining the basic elements. I already have 10.10.2 installed and running on my MacBook Pro (2008 4,1). However, I would like to reinstall/refresh Yosemite (-but not a 'clean' reinstall that wipes everything). Whether from the App Store or the Recovery Partition, the reinstall/refresh process never completes, even leaving computer alone for 24+ hours.

Open Disk Utils and create one HFS+ Partition on the USB called 'Install.' On the Partition options select GUID.

Step 3

Open 'Terminal' and paste the following command:

Enter 'admin password' and wait a few minutes, until you see:This is a fast option, and it does not provide too much feedback. If you want to use a graphical interface, you can use DiskMakerX. (4.0 Beta 3 or newer).

Follow Steps 1 and 2, after that just run the program, select 10.10, 'Install OS X Yosemite.app' and wait for the program to finish.

Depending on your USB device, the process could take 5 to 15 minutes. A USB 3.0 drive is recommended.

Once you're there, you have only a few more things to do in order to start the installation of your new Yosemite OS X version. Simply plug in your bootable USB drive, reboot the system and press the Option key during the booting process. Select the USB drive as a boot source and the installation process should start. Follow the on-screen instructions and you should be good to go.

In order to create a bootable USB with OS X Yosemite (10.10), you need to use an 8 GB+ USB storage device.

Step 1

Macbook Pro Os Download Usb

Download 'Install OS X Yosemite.app' from App Store.

Step 2

Open Disk Utils and create one HFS+ Partition on the USB called 'Install.' On the Partition options select GUID.

Step 3

Open 'Terminal' and paste the following command:

Enter 'admin password' and wait a few minutes, until you see:This is a fast option, and it does not provide too much feedback. If you want to use a graphical interface, you can use DiskMakerX. (4.0 Beta 3 or newer).

Follow Steps 1 and 2, after that just run the program, select 10.10, 'Install OS X Yosemite.app' and wait for the program to finish.

Depending on your USB device, the process could take 5 to 15 minutes. A USB 3.0 drive is recommended.

Make Yosemite Bootable Usb

Once you're there, you have only a few more things to do in order to start the installation of your new Yosemite OS X version. Simply plug in your bootable USB drive, reboot the system and press the Option key during the booting process. Select the USB drive as a boot source and the installation process should start. Follow the on-screen instructions and you should be good to go.