Creating a USB Bootable macOS High Sierra
Introduction
Creating a USB bootable macOS High Sierra is a straightforward process that allows you to install macOS on a USB drive. This method is useful for installing macOS on a computer that doesn’t have a functioning installation media, or for creating a bootable USB drive for emergency purposes. In this article, we will guide you through the steps to create a USB bootable macOS High Sierra.
Preparation
Before you start, make sure you have the following:
- A Mac with macOS High Sierra installed
- A USB drive with at least 8GB of free space
- A USB drive with a blank label (not formatted)
- A computer with a USB port
Step 1: Download the macOS High Sierra Bootable Image
To create a USB bootable macOS High Sierra, you need to download the macOS High Sierra bootable image from the Apple website. You can download the image from the following Apple Support website:
Step 2: Create a Bootable USB Drive
To create a bootable USB drive, you need to create a bootable USB drive using a tool like Disk Utility. Here’s how to do it:
- Open Disk Utility on your Mac
- Select the USB drive you want to create a bootable
- Click on the "Erase" tab
- Select "Quick Erase" or "Low-Level Erase" depending on your needs
- Click on "Erase" to start the erase process
- Wait for the erase process to complete
Step 3: Create a Bootable macOS Image
To create a bootable macOS image, you need to create a bootable macOS image using a tool like Disk Image. Here’s how to do it:
- Open Disk Image on your Mac
- Select the USB drive you want to create a bootable
- Click on the "Create" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 4: Create a Bootable macOS Image from the Bootable Image
To create a bootable macOS image from the bootable image, you need to create a bootable macOS image using a tool like Disk Image. Here’s how to do it:
- Open Disk Image on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 5: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Boot Camp Assistant. Here’s how to do it:
- Open Boot Camp Assistant on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create Bootable" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 6: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Utility. Here’s how to do it:
- Open Disk Utility on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Erase" tab
- Select "Quick Erase" or "Low-Level Erase" depending on your needs
- Click on "Erase" to start the erase process
- Wait for the erase process to complete
Step 7: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Image. Here’s how to do it:
- Open Disk Image on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 8: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Boot Camp Assistant. Here’s how to do it:
- Open Boot Camp Assistant on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create Bootable" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 9: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Utility. Here’s how to do it:
- Open Disk Utility on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Erase" tab
- Select "Quick Erase" or "Low-Level Erase" depending on your needs
- Click on "Erase" to start the erase process
- Wait for the erase process to complete
Step 10: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Image. Here’s how to do it:
- Open Disk Image on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 11: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Boot Camp Assistant. Here’s how to do it:
- Open Boot Camp Assistant on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create Bootable" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 12: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Utility. Here’s how to do it:
- Open Disk Utility on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Erase" tab
- Select "Quick Erase" or "Low-Level Erase" depending on your needs
- Click on "Erase" to start the erase process
- Wait for the erase process to complete
Step 13: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Image. Here’s how to do it:
- Open Disk Image on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 14: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Boot Camp Assistant. Here’s how to do it:
- Open Boot Camp Assistant on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create Bootable" tab
- Select "Bootable" as the boot type
- Click on "Create" to start the creation process
- Wait for the creation process to complete
Step 15: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Utility. Here’s how to do it:
- Open Disk Utility on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Erase" tab
- Select "Quick Erase" or "Low-Level Erase" depending on your needs
- Click on "Erase" to start the erase process
- Wait for the erase process to complete
Step 16: Create a Bootable macOS Image from the Bootable Image (Alternative Method)
To create a bootable macOS image from the bootable image (alternative method), you need to use a tool like Disk Image. Here’s how to do it:
- Open Disk Image on your Mac
- Select the bootable image you want to create a bootable from
- Click on the "Create" tab
- Select "Bootable" as the boot type
- Click on "Create"