Here is the easiest way to make a bootable USB recovery disk using a USB flash drive, so you can repair and/or restore your Mac OS X operating system if it is ever corrupted.
Will work in El Captain 10.11, Yosemite 10.10, and Mavericks 10.9 see download links below

Download Os X Yosemite 10.10 Bootable Usb For Intel Pcs

Os X Yosemite 10.10 Bootable Usb For Intel Pcs Computer Bootable Usb Windows 10 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. An 8GB USB Flash Drive or larger where you would be burning the OSX Yosemite copy to. The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder; An Administrator account on your Mac; Method 1: Using DiskMaker X. Using Diskmaker X is the easiest way to burn or make a bootable USB Flash drive. Here is how to go about it. Follow these instructions to create a bootable USB installer for Apple Mac OS 10.10 Yosemite. Prepare the USB Flash Drive. Insert a blank USB flash drive of 8GB or larger, but not unnecessarily too large since it would be wasted space. Run the Disk Utility program found under Applications in the Utilities folder. Then follow these steps. If you wish to use DiskMaker X to create the bootable OS X 10.10 Yosemite USB drive, here is what you need to do Connect the USB drive to your Mac. Open DiskMaker X and select Yosemite (10.10).

New Video on how to do it in Mac Os X 10.12 Sierra

Download Diskmaker here

Straight Download here for El Capitan

Install Os Yosemite Dmg

SD Card Recovery For Mac Computer in MINUTES DISCLAIMER: Use these tips at your own Risk Disclaimer – use these tips and all Mac tips on this channel at your own risk. – mac tips youtube
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