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The instructions for using Windows to create an USB flash drive OS X El Capitan installer are given in my first answer. This answer addresses concerns posted by user Fred - with respect to my first answer. My first answer used the "Copy To…" action to extract the OS X Install ESD folder to the users Downloads folder. Here, this Downloads ...
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Trying to install El Capitan via Bootable USB on MBP 2009...
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Dans cette nouvelle vidéo je présente une méthode pour installer windows 10 sur une clé usb bootable 🎉 Découvrez mon site internet :dédié à la réparation de...
- 5 min
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- windroitech
- Overview
- What you need to create a bootable installer
- Use Terminal to create the bootable installer
- Commands
- Use the bootable installer
- Learn more
You can use an external drive or secondary volume as a startup disk from which to install the Mac operating system.
These advanced steps are primarily for system administrators and other experienced users who are familiar with entering commands in Terminal.
•A USB flash drive or other secondary volume with at least 14GB of available storage, formatted as Mac OS Extended
•A full macOS installer
To download a full installer, your Mac must be using macOS High Sierra or later, the latest version of macOS Sierra, or the latest version of OS X El Capitan. Your Mac must also be compatible with the macOS that you're downloading. Enterprise administrators: download from Apple, not a locally hosted update server.
Download a macOS installer using the App Store or your browser
1.Plug the USB flash drive into your Mac.
2.Open Terminal, which is in the Utilities folder of your Applications folder.
3.Type or paste one of the commands below into Terminal, then press Return to enter the command. Each command assumes 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 the volume has a different name, replace MyVolume in the command with the name of your volume.
4.When prompted, type your administrator password. Terminal doesn't show any characters as you type. Then press Return.
5.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.
6.After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
Depending on which macOS you downloaded, enter one of the following commands in Terminal as instructed above.
•Remember to replace MyVolume in the command with the name of your volume.
Mac with 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. 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. 2.Turn on the 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 installation instructions.
Any other Mac
1.Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. 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. 2.Turn on your Mac, then immediately press and hold the Option (Alt) key. 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 onscreen arrow or press Return. 5.If you're using a Mac with the Apple T2 Security Chip and you can't start up from the bootable installer, make sure that Startup Security Utility is set to allow booting from external or removable media. 6.Choose your language, if prompted. 7.Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.
For information about the createinstallmedia command and the arguments you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:
/Applications/Install\ macOS\ Sonoma.app/Contents/Resources/createinstallmedia
/Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia
/Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia
/Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia
/Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia
Feb 27, 2024 · In here when the window will come up, you just have to click OK. Create Bootable USB for Mac OS X El Capitan with TransMac. A new pop up box will appear, click on the three-dots, and then select the macOS X El Capitan.DMG file from Windows. Then click on OK. Choose Mac OSX El Capitan DMG file. Since the file is huge so it will take quite time ...
- How to create a bootable USB drive. If you're currently running macOS Mojave, click this link to find the Mojave installer in the App Store. For Catalina, click here.
- After the downloading process is complete, close the App Store. The installation window should appear afterwards. [*red]Click the "Install macOS (whatever version you have downloaded)" menu at the top left of the screen, and select "Quit Install macOS (whatever version you have) ."
- Insert your USB drive into your Mac's USB port. Open Finder to find your USB or if your Finder preferences have been set, you can find it on the Desktop.
- Launch Terminal. You can either use Spotlight or navigate to "Utilities" inside of Applications within Finder and double click Terminal. Translate.
Sep 3, 2024 · Insert the bootable USB drive into the Mac. Turn on the Mac and immediately press and hold the Option (⌥) key until you see the startup disk selection screen. Select the USB drive to boot from it. Follow the on-screen instructions to install macOS. This is an indirect but efficient solution to make a macOS bootable USB on Windows 10 or ...
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Apr 26, 2021 · Launch Terminal. Copy and paste the command given below into Terminal. Enter the Mac password and press Enter. Wait while Terminal erases and copies the files to the USB drive. When the process is completed, quit Terminal. This article explains how to make a bootable USB installer for OS X El Capitan (10.11) using Terminal on the Mac.