- Create Bootable El Capitan Usb
- Create A Bootable Os X El Capitan Disk Image
- Bootable Usb Os X El Capitan
این دستورالعمل گام به گام نحوه ایجاد یک فلش مموری USB با OS X 10.11 El Capitan برای نصب تمیز در iMac یا MacBook را شرح داده و همچنین احتمالاً در صورت.
Introduction
Apple officially released OS X 10.11 El Capitan operating system in September 2015 as an update through Apple App Store. This actualization will update core of your system and preserve your user data.
8 replies on “How to Create Bootable USB OS X El Capitan Installer Drive?”. Sir can I install “final cut pro.dmg” or any other important “. Ketahui bagaimana pemasang OS X El Capitan mempunyai utiliti untuk mencipta pemacu kilat USB bootable, ia boleh menghidupkan mana-mana peranti bootable ke pemasang. How to create USB installation flash drive with OS X 10.11 El Capitan with createinstallmedia, Terminal, Finder and DiskMaker X applications. OS X El Capitan Installer. Official OS X El Capitan Installer from the Mac App Store. Un-archive the zip archive and you will get the app Installer. A bootable ISO or bootable USB can be made from this installer. Instructions on how to do that are on the Internet/Youtube.
However, if you want to have a clean installation of El Capitan on your Mac you will need to create a special installation USB drive and in this article we will show you how.
Four ways how to create El Capitan USB installation flash drive:
Preparation - get OS X El Capitan installer and USB flash drive
Download El Capitan installer (Install OS X El Capitan.app in Applications folder) available in Mac App Store.
Prepare a flash drive with OS X Disk Utility. Format it with GUID Partition Table and name it as Untitled. The minimal capacity of flash drive must be 8 GB.
How to create El Capitan installation USB drive with createinstallmedia tool
The createinstallmedia is a command line tool distributed with OS X installer.
When you have prepared your USB flash drive and El Capitan installer is downloaded from App Store ► open Terminal and type command:
sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X El Capitan.app --nointeraction
In our case 'Untitled' is the name of USB flash drive! Replace 'Untilled' by name of your flash drive.
Wait a few minutes and your El Capitan installation USB drive will be prepared.
To install OS X El Capitan ► restart computer ► hold the Option key and select Installation USB drive from the menu.
How to create El Capitan USB installation with Terminal commands
When your USB flash drive is ready and El Capitan installer downloaded from App Store ► Open Terminal and type the following sequence of commands:
sudo hdiutil attach /Applications/Install OS X El Capitan.app/Contents/SharedSupport/InstallESD.dmg
sudo asr restore -source /Volumes/OS X Install ESD/BaseSystem.dmg -target /Volumes/Untitled -erase -format HFS+
sudo rm /Volumes/OS X Base System/System/Installation/Packages
sudo cp -a /Volumes/OS X Install ESD/Packages /Volumes/OS X Base System/System/Installation/Packages
sudo cp -a /Volumes/OS X Install ESD/BaseSystem.chunklist /Volumes/OS X Base System
sudo cp -a /Volumes/OS X Install ESD/BaseSystem.chunklist /Volumes/OS X Base System
sudo cp -a /Volumes/OS X Install ESD/BaseSystem.dmg /Volumes/OS X Base System
hdiutil detach /Volumes/OS X Install ESD
Now wait until your bootable installation flash drive with OS X 10.11 El Capitan is made.
To install OS X El Capitan ► restart computer ► hold the Option key and select Installation USB drive from the menu.
How to create El Capitan USB installation with Disk Utility and Finder
When your USB flash drive is ready and El Capitan installer downloaded from App Store ► Open Terminal and type:
Create Bootable El Capitan Usb
defaults write com.apple.finder AppleShowAllFiles 1 && killall Finder
This command allows you to view hidden files in Finder.
Create A Bootable Os X El Capitan Disk Image
Now Open Finder ► Applications ► Install OS X El Capitan.app ► right click ► Select Show Package Contents option.
Navigate to Contents/SharedSupport ► Mount InstallESD.dmg file
Open OS X Install ESD archive in Finder and mount BaseSystem.dmg archive

Connect USB drive and open Disk Utility (/Applications/Utilities)
Select the USB drive from the list of disks, select Restore tab and pick Select OS X Base System archive as a source and USB flash drive as the destination. When ready click on Restore button.
After the Restore process is finished, open Finder ► open USB drive (OS X Base System) ► go to the System/Installation folder and select Packages file and delete it.

Open OS X Install ESD volume in Finder, select Packages folder and copy them to System/Installation folder on USB drive.
Also copy BaseSystem.chunklist and BaseSystem.dmg files from InstallESD.dmg volume to root of USB flash drive (OS X Base System).
Now your El Capitan installation USB drive is prepared and ready for use.
To install OS X El Capitan ► restart computer ► hold the Option key and select Installation USB drive from the menu.

How to create El Capitan USB installation disk with DiskMaker X
DiskMaker X tool is Wizard like tool that allows you create OS X installation disk. Download DiskMaker X to your Mac and copy it to Applications folder.
Bootable Usb Os X El Capitan
When you have prepared your USB flash drive and El Capitan installer is downloaded from App Store ► open DiskMaker X.
Select version of OS X (in our case El Capitan)
Select copy of OS X installation app
Select USB drive that will be used for USB installation
And wait a few minutes till the the DiskMaker X finish creating process.
To install OS X El Capitan ► restart computer ► hold the Option key and select Installation USB drive from the menu.
| ### |
| # This script assumes 2 things |
| # 1. One have already downloaded the El Capitan ( /Applications/Install OSX El Capitan.app) installer through Appstore or at leaast put 'Install OSX El Capitan.app' into the /Apps folder |
| # 2. A fresh 8 GB+ USB Memory is inserted and have the name 'Untitled' |
| # |
| # Installation instructions: |
| # 1. Insert a USB stick into your computer (it will be totally erased - make sure you backup your important files on that USB) |
| # 2. Open up a terminal (Terminal.app, iTerm etc) |
| # 3. Fire up Disk utilities |
| # - I.e `open /Applications/Utilities/Disk Utility.app` |
| # 4. Erase your USB and create a OSX Journal partition called 'Untitled' (this is important). Wait for it to be completed. |
| # 5. Run the following command below: |
| ########################################################################## |
| sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X El Capitan.app --nointeraction |
| ########################################################################### |
| # You should now see something like: |
| # sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X El Capitan.app --nointeraction |
| # Password: |
| # Erasing Disk: 0%... 10%... 20%... 30%...100%... |
| # Copying installer files to disk... |
| # Wait and drink a cup of coffee |
| # If you want to know some stats (Read/write speed), you can fire up another terminal (or tab), i.e <Apple button>+T and run this command: |
| iostat -d 1 |