After Apple launched Final Version A OS X Yosemite before two days ( October 16 ), most users McIntosh rushed to install the update system is currently free of charge via the Mac App Store . If you use a Mac, but want to do a clean installation of the system (not upgrading ), or have more updates MacBook, and do not want to download the installer system for each of them, or you want to install OS X Yosemite Mac has access to the Internet solution is in Creating a bootable USB drive with this operating system.
How to make a bootable USB OS X Yosemite?
To create a bootable USB-drive Cu OS X Yosemite you need two things:
an USB-drive minimum 8 GB you will have to format
Launcher Install OS X Yosemite.app (Download updates in App Store without installing it, then go to the directory / Applications / Mac to access the launcher)
Then follow the instructions below:
Online Flash Drives in MacBook and run Disk Utility (This app folder in Applications / Utilities section)
from the list on the left, select the USB flash drive then right-click on the tab Erase
choose Mac OS Extended (Journaled) Right Format then click Delete
After formatting the flash drive, go to the section and select 1 Partition drop-down menu below Partitioning
if any, change the section name Your Untitled 1 (or any other name) in Untitled (This is usually the default name of the system you choose)
press Options , select GUID Partition Table , and then click OK
Finally, click the Apply button to prepare the USB-drive Pentru OS X installation Yosemite
Download OS X Yosemite Your Mac App Store ( link to download ), but do not install (after system boot when the launcher Install OS X Yosemite displayed immediately stop the installation , and then make sure that the name of the file download it Install OS X Yosemite.app )
then exit the app Terminal (All Applications / Utilities / ) and type the following command:
Court / Applications / Install OS X Yosemite.app / Contents / Resources / createinstallmedia -Obʺem / Volumes / Untitled -applicationpath / Applications / Install OS X Yosemite.app -nointeraction
When prompted, enter the Administrator password (required to use the command ), and then press Return to start the creation of installation USB Drive
then wait for the process to complete (this can take up to an hour); it will show when Copy complete.Done. wreak in Terminal.
And ready. this is how, you can make a bootable USB OS X Yosemite , which can be used to perform a clean installation of the system . Success!