It will also install a recovery partition on the USB drive, so don’t be surprised to see it later. Thanks to forum user tywebb13 for sharing this command. This command will basically delete data on the USB drive, and it will make it bootable using the update file downloaded from the store, and named Mavericks.app. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia –volume /Volumes/ mavericksinstall –applicationpath /Applications/Install\ OS\ X\ Mavericks.app –nointeraction Open a Terminal Window and copy or type the following command: Question Macbook Pro 2012 wont start after installing new battery: Question Installing Win 8.1 64bit on Mac Pro 2.8 early 2008 without bootcamp clean install if possible. Step 3: install Mavericks as a bootable USB drive with a script The best thing to do is download it once and create a bootable install USB drive from the file for all of your Macs. The Mac Store will save it as a file on disk, and we will use a script to quickly access it.Īs you download it, the Mac Store will point out that you are already running on Mavericks, but click on Continue and it will download the file. You have to do this since the Mavericks.app installation file was deleted at the end of the previous upgrade. Step 2: retrieve the Mavericks.app file from the Mac Store Download Mavericks from the Mac Store. If you already have a volume using that name, pick another name and change the script below accordingly).īefore doing this, verify that there is nothing that you need on this USB drive – data from it will be lost. Erase all data and rename the drive to a specific name: the script that we will use later will erase the data again, but it does need the correct name for the USB drive.įormat the drive using “Mac OS Extended (Journaled)” and use a new name. Insert it into a USB slot and launch the Disk Utility.
Prepare a USB disk of 8GB+ to receive the Mac OS Mavericks installation (the compressed download from the App Store is 5.3GB, so it will expand somewhat on our disk). Choose the correct createinstallmedia command. Insert a USB drive and change its volume name if needed We will run through the following steps to create a bootable USB for Mac: Get the macOS installer files.