- To install macOS on these computers, you'll need a flash drive that supports USB-C or a USB hub or adapter. The file or drive must support Mac OS Extended and have at least 14GB of available storage.
- I'm trying to install Mojave on an external drive, it's an ADATA SU650 480GB in a ADATA ED600 rack. I'm using a HP Omen 15-ce008nq laptop, for this one i want to use, and when I'm trying to install, I see no other drives can be seen by mac installer, other than flash drive and the external drive.
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In 2018, Apple released macOS Mojave. It was instantly loved by many. However, there was a minor problem. One of its noteworthy and newest features was nearly invisible: the new file system.
If Mojave is installed on a Mac with a solid-state drive (SSD), the underlying file system is automatically switched from Mac OS Extended or the HFS+ to the new Apple File System (APFS). This is something that not everyone knows about.
Installing Mojave on an external SSD QUESTION Is there any reason why I couldn't do a clean install of Mojave on an external SSD using a USB to SATA adapter, then use Multibeast or Clover to install the require kexts and patches afterwards?
Although there were a few ways that things could have gone wrong, for many Mac users, the shift was almost seamless. They were unable to notice that their Macs were already running APFS.
In case you wanted to find out and confirm if your Mac is running APFS, open Disk Utility, select your startup disk, locate your disk name, and click on it. All the information about your disk will be shown on your screen, including the file system type.
Pro Tip: Scan your Mac for performance issues, junk files, harmful apps, and security threats
that can cause system issues or slow performance.
What Are HFS+ and APFS?
At this point, the concepts of HFS+ and APFS may still seem a bit vague. So, we’ll try to differentiate both.
HFS+ was the default file system of Apple devices in the years 1998 to 2017. Eventually, APFS replaced it. Still, HFS+ is used as the default file system of Apple devices that use hybrid and mechanical hard drives.
It is preferred by some Mac users because it supports different macOS versions and is compatible with fusion drives. However, it only has limited native file support for some file systems.
APFS is the latest file system of Apple. It was released in 2017 as a replacement for HFS+. Unless specified or changed by the user, this is automatically set as the default file system of an Apple device.
But why should you use APFS? This file system allows full-disk encryption with multi or single-key encryption for an added layer of security. It also prevents metadata corruption because it creates new records instead of overwriting those that already exist. The most important downsides of using APFS are that compression is not available and that it does not support Fusion drives.
Can HFS+ Be Used in Mojave Instead of APFS?
Now, if you have just recently upgraded to Mojave but still want to keep using HFS+, of course, you can. The only problem is that the command that is used to avoid APFS conversion won’t work all the time.
To avoid the APFS conversion, you have two options. We listed them below:
Method #1: Use an External Installer Media and Install Mojave on Your SSD Drive.
One of the easiest and most popular ways to prevent APFS conversion during the installation of Mojave 10.14 on your SSD drive is to create a macOS installer media. Don’t worry because it’s easy to do and won’t take much time.
However, before you proceed with this method, we suggest you back up all your data using Time Machine or any of the other data backup methods for Mac. This way, you can quickly restore your settings and data in the event that errors arise along the way.
Moving forward, here’s how you can create a macOS Mojave installer media:
- Switch off your Mac.
- Connect your preferred macOS installer media.
- Switch on your Mac.
- While your Mac is starting up, press the Option key continuously to enter the Boot menu.
- Once the Boot menu appears, use the arrow keys to select macOS Mojave USB installer.
- Hit Enter.
- Format your SSD drive using Disk Utility.
- Agree to the Terms and Conditions and proceed by selecting your newly formatted SSD drive.
- Your Mac will start to reboot. Make sure you continue pressing the Option key or F12 to enter the Boot menu again.
- Choose your installer media from the menu.
- Allow your computer to boot.
- Go to Utilities.
- Launch the Terminal app.
- Input the ls –l Volumes command into the command line.
- Take note of the name of the SSD where you will install macOS Mojave.
- Into the command line, input the cd /Volumes/SSD_Drive_NAME command and hit Enter.
- Replace SSD_Drive_Name with the real SSD volume name.
- Next, input the following commands:
- cd “macos install data”
- vi minstallconfig.xml
- Press the l key and move your cursor to the ConvertToAPFS You should notice that the value is set to true. Remove it using the Delete key and replace the value with false.
- Press the l key again and input :wq to close the editor.
- Close the Terminal window and reboot your Mac.
Method #2: Install MacOS Mojave on an External HDD or SSD Using a USB Installer Running APFS.
Another easy way to skip APFS conversion while installing Mojave 10.14.4 is to install macOS Mojave on an external SSD or HDD using a USB installer that is running APFS.
To do this, follow the instructions below:
- Boot macOS Mojave from your external SSD or HDD.
- Download and install trustworthy backup software for Mac.
- Open Disk Utility.
- Select your internal drive.
- Click Erase.
- Rename your internal drive.
- Choose macOS Journaled.
- Hit Erase.
- Run the backup software you installed.
- Select Source Drive as the external disk and destination.
- Click Start to begin cloning macOS.
- Wait for a few seconds until the cloning process is completed.
- Reboot your Mac as you normally would.
- Navigate to About Mac.
- Select System Information.
- Check if your internal drive’s file system has been changed to HFS+.
The latest file system may entice you to upgrade to Mojave. But take note it will take some time for you to become familiar with its features, particularly APFS. In the meantime, you can stick to HFS+ until you get the hang of how things work.
Once you have skipped the APFS conversion part, we suggest that you download and install a reliable Mac repair and cleaning tool. By doing that, you can ensure that your Mac runs smoothly and efficiently.
Do you prefer HFS+ over APFS? Let us know in the comments section below!
How to create a bootable macOS Mojave installer drive Put the macOS Mojave installer on an external USB thumb drive or hard drive and use it to install the operating system on a Mac. Required Files: us: YouTube: Facebook: https://www.facebook.com/IntoGuid. I have downloaded and saved macOS Mojave installation file from the Mac App Store into my external hard drive. Unfortunately, macOS has crashed on my Mac and now I need to install it again. I have used a software named TransMac to make a installation USB in windows following the. Reasons for Mac Boot from USB: Booting the Mac from USB in a way gives the power back to the user. The likeliest of the reason for choosing the boot from the USB method is that your Mac won’t start which denies the user access to the computer. Using an external source like the USB drive helps the user get around the problem.
Learning how to create a bootable macOS installation disk can be helpful in a variety of situations. Rather than download and install a new OS from Apple's servers each time, it can be used for multiple installations on different machines. It can also help in situations where the operating system is corrupted or installation from app store shows errors.
To create a bootable macOS installation disk, you have to burn the DMG file to a USB drive as CD/DVD is not available for Mac computers. Here's how to do it from text commands and using a purpose-built software called WizDMG. You will first need to download the DMG file for the macOS version you wish to install. For example, if you want to create a bootable macOS Mojave installer, you will need the DMG file for macOS Mojave. Once the file has been downloaded to your PC, you can proceed with one of the bootable disk creation methods shown below.
Method 1: How to Create Bootable USB Installer for Mac via Commands
macOS (formly named Mac OS X) is just a variant of popular Unix based operating system. This means a lot of daily and advanced tasks on Mac can be done via text commands such as creating bootable USB installer for Mac. However, this could be a lot of challenges if you had no clue about commands and I suggest taking a look at the other solutions in this post to avoid messing up the computer with the wrong commands.
Step 1. Search macOS name in app store (Mojave, High Serria, EI Capitai). Click 'Get' button to download the installer image on your Mac. The downloaded file will be located in Application folder.
Step 2. When the download is completed, the installation windows opens automatically, just close the window and go to Application folder. You will find a file started Install, such as Install macOS Majave.
Step 3. Now connect an external flash drive with more than 16G free space. And backup the data in that USB drive as the installer erase all content from it. Open Disk Utility app and format the USB drive with APFS or Mac OS Extended.
Step 4. Open the Terminal app and copy-and-past the following commands to make a booatble USB installer from macOS image:
For Majove: sudo /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
For High Serria: sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
For EI Capitan: sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app
Step 5. Input the admin password when being prompted. And wait for the booatable disk being created. When it is done successfully, you will receive a message shown in above screenshot.
Unconfortable with text commadns and prefer doing it in a simple way? The second suggestion is more user friendly!
Method 2: How to Make Bootable USB from macOS with WizDMG
WizDMG fills a huge gap in Windows not supporting DMG files. It is a desktop utility supporting Windows and Mac. It allows you to directly burn DMG files to disk in order to create a bootable macOS Mojave installer or a boot disk for any macOS version.
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WizDMG offers an intuitive interface with no clutter and full functionality to handle DMG files. Apart from burning such disk image files to DVD/CD or USB, it also gives you edit options where you can add and remove files from within the DMG file, rename DMG files and even create DMGs from files and folders on your desktop. This software application has been created for novice users as well as experts. It is easy to use, has a very high burn success rate and will help you create a bootable macOS installer in no time. Follow the instructions below:
Step 1Install WizDMG
Download WizDMG from the official website and install it on your PC. Launch the program and select the 'Burn' option in the main interface.
Step 2Create Bootable USB from macOS Install Image
Click on Load DMG to import the macOS installation file into the application. Insert a USB (16G free space) and click on the 'Burn' button next to the appropriate media type.
The important thing to remember here is that you now know how to create a macOS installer in Windows. There aren't a lot of options out there because of the compatibility issues between Mac and Windows environments. That means converting DMG to ISO and back again to DMG leaves the door open for corrupted files and incorrectly burned bootable media, which defeats the whole purpose because it might not even work in the end.
Method 3: Create macOS High Serria/Mojave Bootable USB on Windows 10/7
Another way to create macoS bootable disk on Windows is using a tool called DMG2IMG along with Windows command prompt. It requires a bit of a workaround, but even novice users can learn to burn a DMG file to a disk to create bootable media for a macOS installation. Just make sure you follow the instructions below carefully.
Step 1. Download DMG2IMG and install it in your Windows PC. Open File Explorer and go to the folder containing the DMG2IMG program, then right-click and select 'Open command windows here.'
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Step 2. Type the following command and hit Enter: dmg2img [sourcefile.dmg] [destinationfile.iso]
How To Install Mojave On External Drive
Step 3. Now that the DMG file has been converted to ISO format, you can use the following command to burn it to a disk. Before that, insert a disk into the optical drive: isoburn.exe /Q E: 'C:UsersUsernameDesktopdestinationfile.iso'
Step 4. This command utilizes the Windows native disk image burner to burn the ISO to the disk in your optical drive. The ISO file can't be used directly in macOS, but it can be mounted as a virtual drive. Once you do this, you can convert it back to DMG using Disk Utility in Mac. You can then use this as your bootable macOS installer.
As you can see, this is a bit of a workaround because DMG files aren't natively supported in Windows. Likewise, ISO files aren't fully supported in macOS. However, you can use this method to create a macOS installation disk in Windows. If you want a much simpler solution, then review the next method shown here.
If you ask us how to create a bootable macOS installation disk, this is the method we recommend. There's no confusing command line work involved, you don't need a bunch of additional software utilities to get the job done, and the high accuracy of the application ensures that you won't be wasting disk after disk trying to burn the installation media for macOS onto a disk. Use WizDMG as a quick and painless way to create a macOS installation disk in a very short time.
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Related Articles & Tips
You can upgrade to macOS Mojave from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 12.5GB of available storage space, or up to 18.5GB of storage space when upgrading from OS X Yosemite or earlier.
MacBook introduced in 2015 or later
MacBook Air introduced in 2012 or later
MacBook Pro introduced in 2012 or later
Mac mini introduced in 2012 or later
iMac introduced in 2012 or later
iMac Pro (all models)
Mac Pro introduced in 2013, plus mid-2010 or mid-2012 models with a recommended Metal-capable graphics card.
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Mojave, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
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Download macOS Mojave
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Mojave, use this App Store link: Get macOS Mojave.
Download Mac Os Mojave From Bootable Usb Flash Drive
After downloading, the installer opens automatically.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
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If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Allow installation to complete
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Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
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- If you have hardware or software that isn't compatible with Mojave, you might be able to install an earlier macOS, such as High Sierra, Sierra, or El Capitan.
- macOS Mojave won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.