Using this binary you can create an installation drive (similar to what we used to do with InstallESD). Inside the app bundle, there’s a new binary called createinstallmedia (nested in Contents/Resources). The installer is called Install OS X El Capitan and is by default located in the /Applications directory. The format should be Mac OS Extended Journaled. I’ll use mavinstall for the purposes of this article. To make a bootable USB/flash drive of El Capitan like the one that used to come with the MacBook Air, first name the USB drive. Such a little USB drive would be similar to the sticks that came with the older MacBook Air, when we were all still sitting around wondering how you would ever install the OS on a computer with no optical media or Ethernet otherwise. Rather than copy the installer to a local drive you can run it right off a USB disk (or Thunderbolt if you dare). Step 2: On your Mac laptop, press the Power button and hold the Option key until the screen displaying bootable volume options appears.A bootable installer is one of the fastest ways to install El Capitan. Step 1: Plugin the bootable USB drive into the USB port of your Mac system. Afterward, follow the on-screen instructions in the macOS installer window. Step 3: Choose the bootable USB drive and click the 'Continue' option.

Step 2: Press and hold the Power button on your Mac until the Startup Option displaying bootable volumes appears on the screen. Step 1: Plugin the bootable USB flash drive into the USB port on your Mac system. Afterward, follow these instructions in sequence: For Mac with The M1 Apple Silicon Chip

How to Boot the Mac Using the Created Bootable USB Drive?īefore booting your Mac system with a bootable USB drive, check whether you are using a Mac with an Apple Silicon chip or an Intel processor. Your bootable USB drive is all set, and you can use it to install macOS on any Mac system. Once the copying process is complete and Done appears in the Terminal panel, close the Terminal. Step 8: The Terminal will start copying the macOS installer file on your USB after formatting everything on it. You will see this message appear: 'To continue we need to erase the volume at /Volume/Untitled,' press Y and press Enter. Step 7: Afterward, type the Admin password and hit the 'Enter/Return' key.

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