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.
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To boot from your external Sierra drive, plug it into the Mac in question, press the power button, and hold the “Option key until the recovery disk screen appears. From there, you can select your external drive and click the arrow to boot into it for that session. Seagate Backup Plus 5TB External Hard Drive Portable HDD – Light Blue USB 3.0 for PC Laptop and Mac, 1 year MylioCreate, 2 Months Adobe CC Photography (STHP5000402) 4.6 out of 5 stars 3,734 $114.99 $ 114. 99 $159.99 $159.99.
Best Portable External Hard Drive For MacSolution 1: format hard drive under macOS 10.13 High Sierra with Disk Utility
Step 1: Open Disk Utility
Open Finder > Applications > Utilities > Disk Utility
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
Step 1: Download and install AweCleaner for Mac on your Mac.
Step 2: Run AweCleaner for Mac to format your hard drive.
Launch AweCleaner for Mac > Click Disk Manager > Select the hard drive and click on 'Format' button.
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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.
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.
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Have you ever thought of carrying your Mac OS on an external device and gain access to it at any time? If the reaction is yes, then you have arrived at the right post. We will be providing you with the information through which you can install macOS High Sierra on an external drive.
Part 1. How to Install macOS High Sierra on the External Drive
Before beginning the process, there are a few requisites that you must meet. You will need an external drive with a minimum capacity of 16 GB, and second, you will need the copy of the macOS High Sierra installer. You can obtain the installer from the App Store by searching for 'macOS' and download it to your Mac hard drive.
Step 1: Formatting the External Drive
To allow the external drive to function as the startup disk, you need to format it to Mac OS Extended and employ GUID partition map. Start the utility disk. You can find it under the Applications category or search it using Spotlight.
As utility disk runs in the background, you can check for the format of the external drive. In the following example, the drive is in Master Boot Record format. First, unmount the drive. After unmounting, you can select the same drive from the left of the window as shown in the figure below. Now, from the tabs that appear in right window, choose 'Erase' option.
In the next window, you can now format the external drive as 'Mac OS Extended' and opt for GUID Partition Map. If you choose to, you can also give it a name. Press 'Erase' to proceed. After completion, you will see the following screen. Press 'Done' to proceed.
Step 2: Installing macOS High Sierra on the External Drive
After you complete the download of the macOS installer, double click the same from the Applications folder to begin the installation procedure. Press 'Continue' in the following screen.
Click 'Agree' to the accept license agreement. In the next window, press the 'Show all disks' option. The window will display the local drive and the connected external drive. Choose the external drive in this case. You will have to key in your system user name and password.
macOS High Sierra will begin installing on the selected external hard disk. It requires some time to complete the task. You can wait until the process is complete. Before it completes the installation, the Mac will restart. Therefore, it is preferable to save any other work that is in progress.
After restarting, the Mac will take a minimum of 15 minutes to complete the installation process. It will then reboot from the new device. You then have to proceed with the general process of activating Siri, time zone, and adding the user account. Once you complete these actions, you will possess the new version of macOS High Sierra on your external drive. Do not remove the external drive, as Mac OS will access the files on the drive periodically. You can now use the same every time you wish to use High Sierra.
Part 2. How to Use macOS High Sierra with the Bootable Hard Drive
As you now have macOS High Sierra in the form of bootable hard drive, you can use it with another compatible Mac or when the situation demands. However, remember that using the external device as a bootable drive will slow down the functioning of the system. More importantly, it is useful only when you are facing trouble with your existing internal drive of the Mac.
The following information will be helpful in case if you choose to use macOS High Sierra with the bootable hard drive:
Step 1: If there is a trouble with the current hard disk, and you wish to solve it or use the new version of the OS, then plug the bootable external drive to the Mac.
Step 2: Power on the machine and hold the option button until you notice the recovery screen appear. From the screen, you can choose the bootable external device that you have created.
Step 3: You will boot into the macOS High Sierra version for that particular session.
Recoverit
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