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. 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. How to make a bootable El Capitan Installer. Download and keep a copy of the ‘Install OS X El Capitan’ App. (Download from App store but make a copy of it before you install it as the Apple Installer deletes it after you use it.) Put it in your ‘Applications’ folder. Format your blank USB (8GB is a good size) as Apple OS X Extended.
| ### |
| # 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 |
DiskMaker X (formerly Lion DiskMaker) is an application built with AppleScript that you can use with many versions of OS X to build a bootable drive from OS X installer program (the one you download from the App Store). As soon as you launch the application, it tries to find the OS X Install program with Spotlight. Then, it proposes to build a bootable install disk and make it look as nice as possible. It’s the easiest way to build an OS X Installer in a few clicks ! Then you can use the Install drive to fully re-install the OS on a freshly formated drive, or install it on your many Macs without re-downloading the full installer.
Jump over the break to learn how to use DiskMaker X…
1. Get an an empty flash drive with at least 8GB of storage
2. Download OS X El Capitan
3. Download DiskMaker X
4. Double-click on the .dmg file to open it and drag-and-drop the DiskMaker X app into the Applications folder
5. Now load DIskMaker X. When you load the app, it will ask you which version of OS X do you want to make a boot disk of. You can choose Mavericks, Yosemite and of course, El Capitan. We’ll choose El Capitan
El Capitan Usb Installer
6. Now, the app will search for a copy of OS X El Capitan. Once it found your El Capitan copy, it will ask you if you want to use the copy that it found or you want to use another copy. If you downloaded it from the app store ( step 2 ), choose ‘Use this copy’
7. Now the app will ask you about your thumb drive, and it will tell you that will be completely erased before copying OS X El Capitan onto it…
8. Now the app will format your flash drive and ask you for your admin password. Once you enter your admin password, DiskMaker X will start copying the necessary El Capitan files onto your flash drive.
NOTE: this process will take a while. Be patient….
Bootable Usb Os X El Capitan
9. When you’re done, the app will tell you that the boot disk is ready, you’ll see that your flash drive has been renamed as OS X 10.11 Install Disk and it will be opened. Now all you have to do is restart your Mac and and after you here the chime sound, press the Option ( Alt ) key until you see the option to choose the flash drive to boot from.