How to Create OS X El Capitan Bootable USB Disk?

Whenever new OS X release comes to Mac users, it is important to create a Bootable USB as a backup option to clean install. Most of the time upgrade works well, but there are chances your battery performance go poor or OS X corrupt due to apps installed on the computer. That is when we need to perform Clean Installation of OS X as the final troubleshooting method.

Download OS X El Capitan only from Mac App Store which is available right now. Simply launch App Store on your mac computer and you will see El Capitan already featured with free download button.

create os x el capitan bootable usb

OS X El Capitan featured with tons of new features and improvements to existing features. I have installed it on my iMac and Macbook Pro, and so far it is great. As i mostly use my macbook pro at desk, didn’t notice any battery performance problems. There are reports from Macbook Pro and Macbook Air users who have upgraded to El Capitan regarding battery issues.

Another important step to do after downloading the OS X El Capitan is taking backup of the installation file. By default the location of the file set to /Applications folder and the file automatically deleted after completing the OS X upgrade. So it is very important for you to take a backup of the file named “Install OS X El Capitan” from “Applications” folder to create bootable USB or use it later.

Go to Applications folder by opening Finder once the download completed and OS X El Capitan installation wizard pop up comes on your desktop screen.

At this point, copy the file “Install OS X El Capitan” and paste it any folder on your hard disk drive. Now you have the copy of latest OS X released by Apple and you can use it whenever you want and share it with your friends saving 6 gigabytes of bandwidth for them.

Create OS X El Capitan Bootable USB

We are now ready to create the bootable usb disk drive of OS X El Capitan. All you have do is, follow the couple of steps suggested here and you are ready to install El Capitan on any mac computers.

Step 1: Connect USB Disk Drive to your mac computer and Open “Disk Utility” by typing it on Spotlight (CMD + Space Bar) or by going to “Applications – Utilities – Disk Utility”.

create bootable el capitan usb drive

Step 2: Select the USB Drive from the list and on the Right side, select “Erase” tab and rename the USB drive as “Untitled” and click on Erase to perform the operation.

Step 3: Now the USB Drive is ready for  OS X El Capitan installation. Make sure the copy of “Install OS X El Capitan” is there on /Applications folder.

create bootable osx elcapitan usb

Step 4: Launch “Terminal” and copy, paste the following command in Terminal then press Enter.

sudo /Applications/Install\ OS\ X\ El\ –volume /Volumes/Untitled –applicationpath /Applications/Install\ OS\ X\ El\ –nointeraction

create osx elcapitan usb

Step 5: Terminal will prompt for Root password, enter the root password and press enter. USB Disk formatting will start now followed by the copying of files required to create bootable os x el capitan usb drive.

It will take 5 to 10 minutes maximum and the Bootable USB Disk of OS X El Capitan will be ready for use.

If you don’t want to follow these steps and looking for an app to automate all these tasks and get the USB ready with OS X El Capitan then consider using, DiskMaker X which is compatible with OS X El Capitan as well. Download DiskMaker X 5 which comes around 7 MB and create the bootable usb drive easily.

Thanks for reading, and feel free comment below if you have any queries. Have a wonderful day, and don’t forget to share this post with your friends and followers across Twitter, Facebook and Google+.

About the Author: Robin C

Security Consultant, Engineer, Technology Enthusiast and Blogger.

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