El Capitan Usb Installer

05-10-2021
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These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.

What you need to create a bootable installer

  • A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14 GB of available storage
  • A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra or El Capitan

El Capitan 10.11.6 is now released as the latest version of Download El Capitan. For OS X El Capitan users this update is recommended. The upgrade to OS X El Capitan v10.11.6 enhances your Mac's reliability, performance and protection and is advised for all users. Solves a problem that can prevent parental control accounts from saving settings. To create a bootable El Capitan installer drive, you need the El Capitan installer from the Mac App Store and a Mac-formatted drive that’s big enough to hold the installer and all its data.

Download macOS

  • Download: macOS Big Sur, macOS Catalina, macOS Mojave or macOS High Sierra
    These will be downloaded to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
  • Download: OS X El Capitan
    This will be downloaded as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It will install an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

  1. Connect the USB flash drive or other volume that you're using for the bootable installer.
  2. Open Terminal, which is in the Utilities folder of your Applications folder.
  3. Type or paste one of the following commands in Terminal. These assume that the installer is in your Applications folder and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace MyVolume in these commands with the name of your volume.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.


After typing the command:

  1. Press Return to enter the command.
  2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
  3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
  4. After the volume has been erased, you may see an alert stating that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
  5. When Terminal says that it's been completed, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.

Use the bootable installer

Create El Capitan Usb Installer From Dmg

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

  1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
  2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes.
  3. Select the volume containing the bootable installer, then click Continue.
  4. When the macOS installer opens, follow the onscreen instructions.

Intel processor

  1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
  2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
  3. Release the Option key when you see a dark screen showing your bootable volumes.
  4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
    If you can't start up from the bootable installer, make sure the External Boot setting in Startup Security Utility is set to allow booting from external media.
  5. Choose your language, if prompted.
  6. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

Learn more

El Capitan Usb Installer

A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.

For information about the createinstallmedia command and the arguments you can use with it, make sure the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:

Description

A bootable USB pre-loaded with Mac OS X 10.11 El Capitan Installer! Simply plug the OS X El Capitan 10.11 USB into your mac computer, and install OS X El Capitan on your Macbook or iMac Computer. Ti cc2540 usb driver download. Canada-post shipping within 1 business day of purchase from Alberta Canada. This is the same DMG file that comes from the app store, and can fully install licensed OS X El Capitan on any compatible mac computer.

Before you proceed, please keep in mind this software is no way modified and remains the intellectual property of Apple Inc.

El Capitan Usb Installer Not Working

If you have any questions, please don’t hesitate to ask. I respond to all e-mails usually within a few hours, sometimes instantly if I’m near my computer. I’m not a giant shop, just a small time computer technician with 7+ years experience repairing macs, iPhones and other Apple products. I used to have a brick and mortar store but now operate out of my family home in Alberta Canada.

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Package Includes: 1x NEW OS X El Capitan 10.11 USB

Compatibility: Make sure your mac can support El Capitan, if you are unsure weather your Mac is OS X El Capitan compatible, contact us before purchasing.

Sim card reader mac os x. How to install? It’s as easy as 1…2…3

  1. Plug OS X El Capitan 10.11 USB into your mac
  2. Start mac hold down “option key” while booting
  3. Select USB drive and follow installer steps

The OS X El Capitan USB functions just like an official recovery dvd. You can use disk utility, re-format your hard drive, and re-install OS X on your Mac.

How to find out my mac model? Plug your serial number into the Apple Serial Check website.

It is important you know the full model of your Macbook, for example Macbook Pro 15″ Late 2015. Knowing your exact mac model helps you to check compatibility with different versions of OS X.

What OS X versions can my model support? Once you have your exact model (see above) view this Mac OS X Compatibility list to see which versions of OS X will work with your mac.

Once you are sure your mac is compatible go ahead and place an order to have the OS X El Capitan USB quickly mailed to you!