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#Create bootable usb os x sierra how to
#Create bootable usb os x sierra mac os
#Create bootable usb os x sierra install
#Create bootable usb os x sierra update
#Create bootable usb os x sierra password

To reinstall macOS even if the Recovery Mode isn’t working.This is that special case when a previously created macOS USB installer can rescue a failing Mac since you won’t even need an internet connection to reinstall its operating system. To reinstall macOS when there’s no internet connection.This way, you won’t need to wait for the macOS version to download from the web on each of your computers.

#Create bootable usb os x sierra install

If you have more than one Mac and want to install a new macOS on all of them, you can use a bootable USB macOS installer to speed up the process.

To install the needed macOS on multiple devices.

#Create bootable usb os x sierra update

If you want to update your Mac but are not sure whether a particular app will run on the new macOS, or if you simply want to see how a beta operating system version works before choosing to switch to it completely, it’s possible to keep the previous macOS version and install the other one on a separate APFS volume. If you want to reset your device and make it look as if it’s new, you can create a Mac bootable USB installer, format the internal drive, boot your Mac from that flash drive, and install the new operating system.

To wipe your Mac clean and reinstall the operating system.

Here’s why you might need a bootable USB macOS installer: You might think that you don’t need it yet, but it is always best to have a flash drive with the needed macOS installation file ready, just in case. There are numerous situations when a bootable USB macOS installer may come in handy. Why Does One Need to Make Bootable USB on a Mac?

#Create bootable usb os x sierra how to

So, what do you need to make a bootable USB on a Mac, and how to do it? Let’s dive right into this question. But the truth is, the process of creating a bootable installer for macOS is pretty straightforward and takes just a few clicks of the mouse. You might think that creating such a drive is complicated and something that only a tech-savvy might handle. Whether you want to dual-boot your Mac, have to install the new macOS version on multiple computers (and don’t want to spend hours doing it), or need to reinstall the operating system on your Mac, a bootable USB installer has you covered.

Is it possible to make a bootable USB using Disk Utility on Mac?.

Can I use Rufus to make a bootable USB for Mac?.

Is it possible to create Mac bootable USB from Windows?.

Method #2: (Manual) Make a Bootable USB on Mac via Terminal (createinstallmedia commands).

Method #1: (Quick & Easy) Create macOS Bootable USB Using Disk Drill.

Why Does One Need to Make Bootable USB on a Mac?.

When it's finished the name of your USB installer will be Install macOS Sierra and it will be selectable as a bootable device in Startup Manager: How to choose a startup disk on your Mac - Apple Support. If you wish to continue type (Y) then press return: YĮrasing Disk: 0%.

To continue we need to erase the disk at /Volumes/untitled.

#Create bootable usb os x sierra password

Password: (type your Admin password - it will not be echoed, not even with MacBookAir2:/ john$ sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/untitled -applicationpath /Applications/Install\ macOS\ Sierra.app The name of the USB drive is "untitled" in the following: This is an example of what should happen. Then, drag the Install macOS Sierra icon from your Applications folder into the Terminal window. Then, type (or copy/paste) the following into Terminal: Stop right there do not press Return.ĭrag the USB flash drive icon from your Desktop to the Terminal window, and stop again. Go to the Terminal window, paste that line into the Terminal window, and type a space character. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume Select the following line by dragging your cursor from just prior to the word sudo to past the word volume:

Make the Finder's Applications window small enough so that you can see it, the Terminal window, and the USB drive icon, all at the same time.

Also, the Install macOS Sierra app must be present in your Mac's Applications folder, otherwise the pathname won't be correct.Its name isn't important because createinstallmedia will change it. Make sure its icon is present on your Desktop.

#Create bootable usb os x sierra mac os

Format the USB installer as Mac OS Extended (Journaled) and GUID Partition Map.

To create a standalone installer on a USB flash drive or similar removable media, refer to the following instructions: Create a bootable installer for macOS - Apple Support. Perhaps you will notice something different than what you have been experiencing. The following is the procedure I use and illustrates what you should see.