Mac Os El Capitan Bootable Usb

I'm a bit confused by your post on what you are trying to do here. Are you trying to boot into Recovery Mode to install macOS to an external USB drive or are you trying to boot from a macOS USB installer to install macOS to the internal drive?

Boot from the USB Drive. Restart your computer and boot from the USB drive (Press Esc/F8/Del to access the boot selection menu). Use the arrow keys to select Boot OS X Install from Install OS X El Capitan (It should be selected by default). Press the spacebar and select Boot Mac OS X in verbose mode. As has been the case for the last few releases of OS X, the easiest method to make a USB install drive is with the free program, Diskmaker X. It’s been updated today to support El Capitan.

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Mac Create Bootable Usb From Iso

  1. When the OS X El Capitan and Unibeast downloaded, open Disk Utility and click Erase then enter a.
  2. Now Create bootable USB for Mac OS El Capitan on Windows. Now it is the time to create a bootable USB installer using TransMac, To install Mac OS El Capitan on VirtualBox on Windows 10 you need a Bootable USB here you will learn the steps of creating a bootable USB installer for Mac OS El Capitan on Windows.
  3. The copy of the install app self deletes after installing El Capitan, so make sure you keep a copy of the InstallMacOSX.dmg if you need it in future, or you could just make a copy of the Install OS X El Capitan.app prior to installing and moving it to an external drive for safe keeping. It is also possible to create a bootable USB installer.

Here are the instructions for creating a bootable macOS USB installer:

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Mac Os El Capitan Bootable Usb

Install Mac Os On Usb

Mac Os El Capitan Bootable Usb

Make sure to carefully read the section regarding macOS 10.11 as there are extra steps required to extract the real installer from the downloaded .dmg archive to the Applications folder. After running the .pkg file from the mounted .dmg file you can then proceed to use the command line to create the bootable macOS USB installer itself.


Macs are very picky about the drives used for booting a Mac plus the quality of many USB sticks is extremely poor so try using another USB stick especially a different brand.

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When erasing the drive make sure to select the whole physical drive within Disk Utility and erase the physical drive as GUID partition and MacOS Extended (Journaled). The physical drive should be the top most item which is usually identified by the make & model of the drive itself.

Mac Os El Capitan Bootable Usb Installer


Aug 21, 2021 12:52 PM