How to Make Mac OS X Mavericks Bootable USB Flash Drive for a Clean Install

Apple recently released Mac OS X Mavericks and it is a free upgrade to those running OS X Snow Leopard, Lion, and Mountain Lion. OS X Mavericks is packed with 200 new features that includes Maps and iBooks and introduces Finders Tab and Tags. It adds new core technologies that bring power and performance enhancements. It improves multi-display support and includes an all-new version of Safari. OS X Mavericks is available for download free of charge at the Mac App Store.

If you want a clean OS install for the new OS X Mavericks, you will need to make a bootable USB flash drive. Unfortunately, the instructions on how to make a bootable drive are not the same when using OS X Lion and Mountain Lion. But do not fret, below is the simple steps on how you can create your own bootable USB flash drive for OS X Mavericks.

Create Mac OS X Mavericks Bootable USB Flash Drive for a Clean Install

Before you can begin, make sure you meet the following requirements:

  • Mac OS X Mavericks downloaded from the Mac App Store
  • USB flash drive with at least 8GB storage capacity

STEP 1: Make sure not to run the OS X Mavericks installer yet. If you have already upgraded, you will need to download the installer again, since it will automatically delete itself after the upgrade. Make sure the installer is located in the Applications folder and is set to its default name Install OS X Mavericks.app.

STEP 2: Once you have the installer, format the USB flash drive as Mac OS Extended (Journaled) by starting Disk Utility.

STEP 3: Select the USB flash drive from the left sidebar and keep the default name as Untitled.

STEP 4: Then, click Erase to begin the format process.

STEP 5: Open a Terminal window and type the following command:

sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install\ OS\ X\ Mavericks.app –nointeraction

STEP 6: Enter your password when Terminal prompts you to. The entire process of creating a bootable disk will take about 20 minutes to complete. DO NOT remove your flash drive until Terminal displays Done.

Once the process is completed, restart your Mac computer. Upon boot up, press and hold the [Option] key, and then select your bootable flash drive from the menu to begin installing OS X Mavericks.

Check out more tips, troubleshooting assistant and technical support help at Supportrix.

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