Use the Terminal to create a MacOS USB boot

  1. Connect the external drive to your Mac. (In the Terminal command you will use, I use Untitled to represent your external drive. If your drive is named something else, you need to change Untitled to the name of your drive.)
  2. Launch Terminal (/Applications/Utilities/Terminal.app).
  3. Copy the following:

    sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ macOS\ Sierra.app

  4. Go back to Terminal and paste the copied code at the prompt.
    sierra install disk terminal 01

  5. Terminal will ask for a password. This is your user password. Terminal doesn’t display characters when you type it in. Hit Return.
  6. Terminal will tell you that it will erase your drive. To confirm that you want to continue, type Y and hit Return.
    sierra install disk terminal 02

  7. You’ll see that Terminal erases your drive. When that part is done, your Mac may ask you if you want to use the drive for Time Machine. Click Don’t Use.
    sierra drive time machine

  8. Terminal will copy the installer file to your drive. This will take a few minutes.
    sierra install disk terminal 03

  9. After copying, Terminal is done. You should see Terminal display a “Copy complete” and Done notice. You can quit Terminal and your drive is ready for use.
    sierra install disk terminal 04

Trả lời

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