How Create Bootable Usb For Mac



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  1. How Create Bootable Usb For Mac Os X Lion
  2. How To Create A Bootable Usb For Mac Os

You may need a bootable macOS Catalina USB drive to cleanly install the operating system or downgrade the macOS beta version. You can follow the steps here to create a bootable disk for any available version. However, since macOS Catalina is the current stable release, let me show you how to make a bootable installer drive.

Before You Begin:

After creating the bootable installer, follow these steps to use it: Plug the bootable installer into a compatible Mac. Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. Your Mac will start up to macOS Recovery. There are 2 Methods to Create a Bootable USB drive of Mac OS on your Windows PC. Method 1: Using TransMac. Download TransMac’s latest version for Windows from this link. Connect your USB drive; Right Click on your USB drive option in TransMac and select Format Disk for Mac; After that, right-click the USB Drive and select Restore with Disk Image. Starting with OS X Lion, Apple did away with DVDs and other media as a method of installing software and switched to a download model instead.Even so, it's still easy to create a USB installation disk for OS X Lion if you want to install Lion on a freshly formatted hard drive, if you're in an emergency booting situation, or if you need to repair your Mac's hard drive.

  • Make sure you have a USB flash drive with at least 16 GB capacity
  • If there are files on it, copy it somewhere else as we will be completely erasing it
  • Your Mac should be compatible with macOS Catalina

How to Create a Bootable macOS Catalina Installer Drive

  1. Download macOS Catalina from the Mac App Store. (You may download beta versions from Apple Public Beta page, or the developer page.)
  2. Once the download completes, the macOS Installer will launch automatically. Close it.
  3. Next, open Finder and click on Applications. Right-click on Install macOS Catalina. Select Show Package Contents.
  4. Open the Contents folder.
  5. Now, open the Resources folder. Keep this folder open.
  6. Open Terminal using Spotlight Search.
  7. In Terminal type the word sudo and then give a space.
  8. From the window in step 5, drag createinstallmedia to the Terminal.
  9. Next, type --volume and give space.
  10. Connect the USB flash drive to your Mac
  11. Launch Finder and click on Go from the top menu bar. Next, click on Go to Folder. Here type /Volumes and hit enter (or click Go).
  12. Click on your Pen drive and drag it into the Terminal window.
  13. Hit the enter/return key. Enter your Mac’s password when asked. (While typing password in Terminal, you won’t see stars or typing confirmation. But keep typing it and hit the enter key when done.)
  14. Next, when prompted, type y and hit the enter/return key again.

Done!

The USB drive will be erased first, and then installer files will be copied to it. Erasing will be relatively quick. However, copying will take considerable time. Even if it is stuck at 0% or 10% for long, do not quit the Terminal window. The process is ongoing.

Signing off…

Note: If you have a Mac with T2 Security Chip (that is, Macs introduced in 2018 or later), first follow this guide to allow booting from external media.

After you create the bootable USB drive, the process to install it is simple. Make sure the USB drive is connected to the Mac. Next, click on the Apple logo from the top left and choose Restart. When you hear the startup sound or see the Apple logo, immediately press and hold the Option key. Select the bootable installer as the startup disk, and follow the instructions.

If you have issues, we have an extensive guide that addresses tips to fix when Mac Recovery Mode is not working.

How Create Bootable Usb For Mac Os X Lion

The founder of iGeeksBlog, Dhvanesh, is an Apple aficionado, who cannot stand even a slight innuendo about Apple products. He dons the cap of editor-in-chief to make sure that articles match the quality standard before they are published.

How Create Bootable Usb For Mac

How To Create A Bootable Usb For Mac Os

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