In this tutorial we'll show you how to create a bootable/installable copy of OS X 10.10 Yosemite and put it on a USB Flash drive. If you’re having issues trying to create a bootable media, you can get a USB flash drive that comes with Mac OSX ready to install. Once your bootable USB installation media is ready, remove it and insert it into your Mac, power it on, holding down the Option key, and select the USB you just created to reinstall Mac OS X. Once selected, the system will start from the USB drive and will be. You should now see an option to select the USB drive as a boot disk.
Immediately press and hold the Option (Alt) key on the keyboard when it starts. Turn on the system or restart it if it is already on. Simply connect the USB drive you created to an open USB port on your Mac. The best thing to do is download it once and create a bootable install USB drive from the file for all of your Macs.
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. 62 thoughts on “ Create a bootable OS X Yosemite installer USB drive ”.
This entry was posted in MAC and tagged bootable, install, installer, os x 10.10, os x yosemite, usb drive, yosemite by 123myIT. A majority of Mac clients who are moving up to OS X Yosemite ought to experience the standard procedure using the Mac App Store and start the establishment from that point, it’s by a long shot the least demanding methodology and it by and large goes perfectly.