Install Mac Os High Sierra On External Hard Drive

01.08.2020by
  1. Access Hard Drive On Mac
  2. Mac External Hard Drive On Windows 10

When you have the need to format a hard drive under macOS 10.13 High Sierra, it typically requires the use of third-party hard drive format software like Disk Utility. In this article, we will introduce you a few tools you can use for formatting hard drive under macOS 10.13 High Sierra. First of all, get your data backed up before do the format. Now, let's start to format a hard drive under macOS 10.13 High Sierra with some easy tools.

Install Mac Os High Sierra On External Hard Drive

If you want to permanently erase data on the hard drive, you can try the solution 3. Solution 3: format and erase hard drive under macOS 10.13 High Sierra with AweEraser for Mac. AweEraser for Mac is a data erasure application. It can format your hard drive and erase all the data on your hard drive, beyond the scope of data recovery. Connect the external hard drive to your Mac. Launch Disk Utility (press Cmd + spacebar and start to type Disk Utility). Before this next step - if you are running High Sierra or later you will need.

Solution 1: format hard drive under macOS 10.13 High Sierra with Disk Utility

Step 1: Open Disk Utility
Open Finder > Applications > Utilities > Disk Utility

Access Hard Drive On Mac

Step 2: Select the hard drive on the left.
Note: If you don't see two passages filed at that point change the view in plate utility to demonstrate the drive and the volume. The view catch is in the upper left-hand side, change to Show All gadgets. This component was presented in macOS 10.13 High Sierra
Step 3: Select ‘Erase ‘ which opens the accompanying window.
Step 4: Rename the drive
Step 5: Select OS X Extended (Journaled) for Format
Step 6: Select GUID Partition Map for Scheme
Note: If you don't see the plan choice, at that point you have chosen the volume and not the drive. Tap on the view catch in the upper left-hand side, change to Show All Devices. Select the non-indented section for your Seagate drive.
Cautioning: Formatting the drive will eradicate all data on the drive, so you should duplicate any data you need off the drive before arranging.
Step 7: Select Erase once more.
Step 8: Plate Utility will begin organizing the drive.
Step 9: Once total, click done.
Please note that the formatted data on your hard drive still can be recovered by data recovery software.

Solution 2: format hard drive under macOS 10.13 High Sierra with AweCleaner for Mac

Mac External Hard Drive On Windows 10

Step 1: Download and install AweCleaner for Mac on your Mac.

Step 2: Run AweCleaner for Mac to format your hard drive. F lux app review.

Launch AweCleaner for Mac > Click Disk Manager > Select the hard drive and click on 'Format' button.

The data formatted by AweCleaner can be recovered by data recovery software. If you want to permanently erase data on the hard drive, you can try the solution 3.

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Solution 3: format and erase hard drive under macOS 10.13 High Sierra with AweEraser for Mac

AweEraser for Mac is a data erasure application. It can format your hard drive and erase all the data on your hard drive, beyond the scope of data recovery. It means the data on your hard drive will be permanently erased.

Step 1: Download and install AweEraser for Mac on your Mac.

Step 2: Launch AweEraser for Mac to format your hard drive.

Launch AweEraser for Mac > Choose mode 'Erase Hard Drive' > Select your hard drive > Click on 'Erase' button. Then AweEraser for Mac will format your hard drive and permanently erase all data on the hard drive. The erased data will be lost forever.

Related Articles

Reinstall from macOS Recovery

macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery.

1. Start up from macOS Recovery

To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.

Command (⌘)-R

Reinstall the latest macOS that was installed on your Mac (recommended).

Option-⌘-R

Upgrade to the latest macOS that is compatible with your Mac.

Shift-Option-⌘-R

Reinstall the macOS that came with your Mac, or the closest version still available.

You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.

When you see the utilities window, you have started up from macOS Recovery.

2. Decide whether to erase (format) your disk

You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.

3. Install macOS

When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.

  • If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
  • If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
  • If the installer is for a different version of macOS than you expected, learn about macOS Recovery exceptions.
  • If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.

Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.

If your Mac restarts to a setup assistant, but you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.

macOS Recovery exceptions

The version of macOS offered by macOS Recovery might vary in some cases:

  • If macOS Sierra 10.12.4 or later has never been installed on this Mac, Option-Command-R installs the macOS that came with your Mac, or the closest version still available. And Shift-Option-Command-R isn't available.
  • If you erased your entire disk instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available. You can upgrade to a later version afterward.
  • If your Mac has the Apple T2 Security Chip and you never installed a macOS update, Option-Command-R installs the latest macOS that was installed on your Mac.
  • If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS that is compatible with your Mac.

If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.

Other ways to install macOS

  • You can also install macOS from the App Store or Software Update preferences. If you can't install macOS Catalina, you might be able to install an earlier macOS, such as macOS Mojave, High Sierra, Sierra, El Capitan, or Yosemite.
  • Or create a bootable installer disk, then use that disk to install macOS on your Mac or another Mac.
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