- Creating bootable usb mac os sierra how to#
- Creating bootable usb mac os sierra install#
- Creating bootable usb mac os sierra download#
Creating bootable usb mac os sierra install#
If the format is wrong, you will not be able to install the OS, nor a bootable installer. Once it has completed the download, the Sierra.
Creating bootable usb mac os sierra download#
Using a compatible Mac, simply launch the App Store, find Sierra from the homepage sidebar, and download the installer. To create a USB installer for macOS Sierra, you first need to download the installation application from the Mac App Store. Or, if you have a TB cable, you can connect the two Macs, and install Sierra right on your Mac.Īlso, post how you are formatting the potential install drive. Step 1: Download macOS Sierra from the Mac App Store. I am referring to installing the OS, not creating an installer. If could you put her Mac in Internet Recovery Mode by holding Shift+ Option+ Command+ R at startup (this installs the OS that came with the Mac from the Internet which should be Sierra), she could just install the Sierra OS right on the Thumb Drive. I am unsure if it would open on your friend's Mac since she has 10.15. I think the installer, once downloaded, needs to be opened once IIRC. I think there might be some problems though. After you enter the command into Terminal, press Enter or Return on your keyboard. Generally, the latest version supports only the latest version of macOS if you want to install something older than macOS High Sierra, check the list of older versions and download one that’s compatible with your chosen operating system. In the Terminal window that opens, enter the following command. The simplest way to create a boot USB drive is to download DiskMaker X and use it to create your drive. Now, the app will search for a copy of macOS High Sierra. dmg file to open it and drag-and-drop the DiskMaker X app into the Applications folder. Download High macOS Sierra from the Mac App Store. One thing to note is that in order for the creation of the Install OS X El Capitan.app to work you must perform the procedure from InstallMacOSX.pkg to Install OS X El Capitan.app on a mac that is either running El Capitan or was/ is capable of running. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/10.12 -applicationpath /Applications/Install\ macOS\ Sierra.app With the flash drive connected to your Mac, launch Terminal, located in / Applications / Utilities /. Get an an empty flash drive with at least 8GB of storage. This might be old, but this is what I used for Terminal to create my Sierra Installer:
Creating bootable usb mac os sierra how to#
Can you post the How-To that you are using?Īlso, how are you formatting the Thumb Drive? In this video I will show you how to create a bootable USB Flash Drive for macOS Sierra, and will also show you why you need it and how to use it in the futu.