Boot From Usb Drive Mac

  

When a new version of macOS comes out, even in Beta release, tech enthusiast, app developers and tester are always the ones who want to try them out first to see how it works and the differences from previous versions.

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Jul 12, 2021 Boot Mac from USB Option l: Startup Manager. If your Mac won't boot up normally, you can set it to boot from a different drive, such as a USB stick containing macOS installation files in bootable format. The drive will have to contain a version of the OS that is compatible with the Mac. As long as you have the bootable installation USB, you can. Select your USB drive from the list and click Restart. The second method is to turn on your computer and hold down the Option key. After a short delay you'll see a list of available drives, including both internal and external ones. Choose the external drive and hit Enter to continue booting.

To have a first-hand experience with latest macOS Monterey (Version 12), you have to make a bootable USB first. It will let you install macOS Monterey Beta on a compatible device. In this tutorial, we will show you how to make a bootable macOS Monterey install USB on a Windows 10 PC and Mac. Please stay tuned!

Table of Contents:

MacOS Monterey Compatible Devices

From what we have learnt, macOS has more strict requirements for hardware. Hence, a handful of devices that are compatible with macOS Big Sur, are no longer supported by macOS 12 Monterey. So before getting started, you have to know what kind of devices macOS Monterey supports. Here is a list of compatible devices:

  • MacBook Air (2015 or later)
  • MacBook Pro (2015 or later)
  • MacBook (2016 or later)
  • iMac (2015 or later)
  • Mac Mini (2014 or later)
  • Mac Pro (2013 or later)

macOS Monterey Download

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To make a bootable macOS USB, there are two types of install media you can use. One is macOS install app obtained from Apple software update or App Store. The other is a bootable DMG file.

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How to download macOS Monterey install app: As far as we know, there are four ways to get macOS Monterey installation app. The first one is from Mac App Store. However, only stable release is applicable for this way. The second one is via Apple Beta Software Program, which needs an Apple Developer account to get the Mac enrolled. You can also download both stable and beta release from MDS and gibMacOS app.

For the first three methods, please check out our previous tutorial for downloading macOS Monterey Beta. In here, we will focus on gibMacOS, a brand new way to download macOS install media we found recently.

Please click here to download gibMacOS Zip file from GitHub. Now, unzip the file and go into the folder (gibMacOS-master). You will find a file named gibMacOS.command and double click it to open it in Terminal. After that, this command-line utility tries to fetch all stable release of macOS from Apple server. Here is an example:

We can see macOS Monterey is not listed in above because it is in public beta. Please type [c] to change the current catalog. There are four options available: customer, publicrelease, public and developer.

Please type [4] to get developer release of all macOS versions. At this time, you will see macOS Monterey beta 12.0 listed in second position. Type [2] to stat macOS Monterey download. It will download a file called InstallAssistant.pkg for macOS 12 Monterey! The downloaded file will be saved in macOS Downloads folder, the sub folder of gibMacOS-master. Don't forget to copy Install macOS 12 Beta app to Application after download!

How to download macOS Monterey DMG file: macOS install app won't be able to work on Windows PC. To create a macOS bootable USB on Windows 10 PC, you have to use dmg file instead. Please click this link to download macOS Monterey dmg file.

Make Bootable USB for macOS Monterey on Windows 10

There is no built-in app for creating macOS bootable USB on Windows 10. And there are less 3rd-party programs capable of doing this kind of task. UUByte DMG Editor is the most popular one. As you can see from the below steps, it is super easy to make a bootable macOS Monterey USB with this powerful program.

First, download UUByte DMG Editor on a Windows 10 PC and install it on the computer. After that, insert a USB drive into the same computer and make sure it can be seen in Windows Explorer.

Now, open UUByte DMG Editor and you will be present with two options on the welcome screen.

Next, click Browse button to import macOS Monterey DMG file into the program. Then, click Select button to choose the USB flash drive you just plugged in.

Finally, click Burn button to start burning macOS DMG file to USB drive. Usually, you have to wait about 10 minutes before the task is completed.

Create a bootable macOS USB installer with DMG Editor is not difficult, right? In fact, you can also use this app on Mac for the same purpose if you dislike using commands.

Make Bootable USB for macOS Monterey on Mac

You might not be aware that there is a built-in command line utility (createinstallmedia) in macOS for making bootable Mac USB. That means you don't need to install other apps to get this task done. The only problem is that there is no graphics user interface with it. Please be noted!

First, you should connect a USB drive into Mac and format it to Mac OS Extended (Journaled) with Disk Utility app, which is also free software that comes with macOS. In our example, the volume name of USB drive is UNTITLED. This information will be used in later step.

Next, locate the macOS Monterey install app. Usually, it is saved into Application folder.

Now fire up Terminal app on your Mac and input the following command to make a bootable macOS Monterey USB drive:

sudo /Applications/Install macOS 12 Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/UNTITLED

The above step will first erase the USB drive and then making the disk bootable by copying content from Install macOS Monterey app. ou will see a notification when the task is completed. Also, The USB drive was renamed to Install macOS Monterey Beta. However, you have to wait at least 10 minutes before the install media is ready for use!

Start installing macOS Monterey on a Mac

Now, you have a macOS Monterey bootable USB at hand. The next move is to install macOS 12 on a compatible device. Don't worry! This process is straightforward.

Please connect the bootable USB into the target Mac where macOS Monterey will be installed. After that, reboot the Mac and hold Option key for a while. Release the key when you see Startup Manager on the screen. From here, you can pick up a bootable device (Install macOS Monterey Beta) from available drives. And you will see the installation screen. Before proceeding, you need to input the password for current user to grant the permission.

Click the USB drive name and follow the prompt to install macOS Monterey on your Mac. When this task is completed, macOS Monterey will be installed on your Mac.

Conclusion

With new software emerged, making bootable macOS USB on Windows 10 PC is no longer an issue. UUByte DMG Editr is quite effecive for that. For Mac users, the default createinstallmedia command is fairly enough to create macOS bootable USB on Mac. However, you should learn how command works before taking action.

Summary :

What is UEFI boot mode? How to create a UEFI bootable USB? How do I boot from USB in UEFI mode? If you are also troubled by these questions, this post of MiniTool is what you need. It will provide you with detailed steps and clear screenshots.

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About UEFI Boot

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Why do so many people want to create a UEFI boot USB? In order to create a UEFI bootable USB successfully, it is necessary to figure out the following 2 questions first.

What Is UEFI

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UEFI (Unified Extensible Firmware Interface) is known as a motherboard firmware interface for computers. It serves as a “middleman” between your computer’s firmware and the operating system. With UEFI boot mode, your computer can initialize the hardware components and boot the OS stored on the hard disk.

In recent years, UEFI boot mode seems to be the successor to the BIOS. More and more users tend to boot their computer in UEFI mode. This is because the UEFI mode breaks many limitations of BIOS mode, including the restrictions on the size of hard drive, booting process, number of partitions, and security.

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In a word, UEFI boasts more advanced features compared with BIOS. Here we summarize them as follows:

Tip: If you want to know more details about UEFI vs BIOS, you can read this post “UEFI vs. BIOS – What’s the Differences and Which One Is Better”.
  • UEFI allows users to handle a storage device that is larger than 2TB, while the old legacy BIOS cannot handle so large d
  • With UEFI boot mode, you can create more than 4 primary partitions on a GPT disk.
  • UEFI supports secure startup. It is capable of checking the validity of the operating system to prevent malware from tampering the startup process.
  • UEFI firmware supports various optimization and enhancement, which can help your system boot more quickly than it could before.
  • UEFI supports both 32-bit and 64-bit architectures, which helps the computer use more RAM to handle a more complicated process than BIOS.
  • Under the UEFI mode, the computer supports networking function that can help remote troubleshooting and UEFI configuration.
  • UEFI has much more setup menus and simpler graphical user interface than legacy BIOS.

What Support UEFI Boot Mode

UEFI has lots of advantages over BIOS, but not all computers and devices are supported. In order to boot from USB in UEFI mode successfully, the hardware on your hard disk must support UEFI. One of the most important things is to make sure that your system disk is GPT form. If not, you have to convert MBR to GPT disk first.

If your hardware doesn’t support the UEFI firmware, you need to purchase a new one that supports and includes UEFI.

Now, you may have an overall understanding of UEFI boot mode. Let’s see how to create a Windows 10 UEFI boot stick. Please keep reading the following part carefully.

How to Create a UEFI Bootable USB

How to create a UEFI boot USB? Before starting the following steps, you need to prepare a USB flash drive with 8GB space at least.

Method 1. Use Windows Media Creation Tool

Windows Media Creation Tool is one of the most common ways to create a bootable USB drive. Similarly, you can use it to create a UEFI boot USB.

Tip: This method is suitable for those computers that are using UEFI firmware. To create a UEFI boot USB, you can perform a clean installation or in-place upgrade of the OS.

Now, let’s see how to create a Windows 10 UEFI USB via Windows Media Creation Tool.

Step 1. Make sure the USB flash drive is connected to your computer.

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Step 2. Click here to download the Windows Media Creation Tool from Microsoft's official website and save it on your computer.

Step 3. Run this program as an administrator and click on Accept to agree with the license terms.

Step 4. In the pop-up window, click the second option Create installation media USB flash drive, DVD, or ISO file) for another PC and click on the Next button.

Step 5. Then check the box Use the recommended options for this PC and click on Next to go on, which will automatically select the language, edition, and architecture that match with your computer.

Tip: You can also select the Language, Windows Edition, and Architecture that you want to create for the Windows 10 UEFI USB.

Step 6. Select the USB flash drive option and click on Next to go on.

Step 7. Then select the USB flash drive from the Removable drives list and click on Next to go on. If you don’t find the USB drive, click on the Refresh drive list option.

Step 8. Now, this tool will download the latest Windows 10 installation files that you select above on your device. Once the download is completed, click on Next to start creating the Windows 10 bootable USB.

Step 9. Once you see the screen Your USB flash drive is ready, click on the Finish button.

Now, the Windows 10 UEFI boot stick has been created. You can use it to boot your computer and install Windows 10.

In addition to using the tool of Microsoft, here are another 2 effective utilities that can help you create a UEFI boot USB.

Method 2. Use Rufus

Rufus is an open-source program that can create a UEFI bootable USB by using an existing ISO file. Connect your USB flash drive to the computer and then follow the steps below:

Step 1. Click here to download Rufus and install the program on your PC.

Step 2. Launch this program to open its main interface, and then select the USB flash drive from the Device menu.

Step 3. Click on the Select button under the Boot selection tab, and then select the Windows 10 ISO file from its folder path.

Step 4. Select the Standard Windows installation option from the Image option drop-down menu.

Step 5. Select the GPT option from the Partition scheme drop-down menu.

Step 6. Select the UEFI (non-CSM) option from the Target system drop-down menu

Step 7. Then you can click on Show advanced drive properties section and keep the default settings.

Step 8. Enter a name for the USB drive in the Volume label field, and then you can select a File system and cluster size from the drop-down menu.

Step 9. After the Format Options are confirmed, click on the Start button.

Step 10. Click on the OK button to confirm this process and click the Close button.

After finishing the above steps, this tool will create a UEFI bootable USB drive automatically.

Method 3. Use MiniTool Partition Wizard

MiniTool Partition Wizard is another effective tool that can help you create a UEFI boot stick. It is a reliable partition manager that boasts many powerful features such as resize partition, convert FAT to NTFS without data loss, convert MBR to GPT disk, migrate OS to SSD, etc.

As mentioned above, the UEFI mode requires a GPT disk. If your USB is the MBR partition table, you need to convert it to GPT first. MiniTool Partition Wizard can help you convert MBR to GPT without data loss. It is very simple to operate. Here’s how:

Step 1. Connect the USB flash drive to your computer and launch this program to get its main interface.

Step 2. Select the USB drive and click on Convert MBR Disk to GPT Disk feature from the left pane.

Step 3. Click on Apply to execute the pending operation.

After your USB flash drive is converted to GPT, you can move your Windows 10 to this drive. To do so, continue the following steps.

Step 1. In the main interface, select the Migrate OS to SSD/HD Wizard feature from the left pane.

Step 2. Select Option B to copy the system required partitions only and click on Next to go on.

Step 3. Select the USB drive and click on Next. Then you will see a warning message saying that all the data on the target disk will be destroyed. Click on Yes to confirm this operation.

Note: Please back up all important data on the USB drive in advance.

Step 4. Select a copy option based on your needs and click on Next to continue.

Step 5. Click on the Finish button. At last, click on Apply to execute the pending operations.

After that, Windows 10 will be migrated to the USB drive. You can set the USB as the first boot order and use it to boot your computer.

Now, another question comes into being. How do I boot from USB in UEFI mode? Please keep reading the following part.

How Do I Boot From USB in UEFI Mode

In this part, we mainly focus on how to boot from USB in UEFI mode. You need to enable the UEFI mode first and then use the UEFI boot USB to start your computer.

Step 1. Power on your computer, and then press the F2 keys or other function keys (F1, F3, F10, or F12) and the ESC or Delete keys to open the Setup utility window.

Step 2. Navigate to the Boot tab by pressing the right arrow key.

Step 3. Select the UEFI/BIOS Boot Mode, and press Enter.

Step 4. In the pop-up window, select the UEFI Boot Mode by pressing the up and down arrow keys, and then press Enter.

Step 5. Press the F10 key and Enter to save the change and exit the window. Here the key depends on your specific computer manufacturer. After that, you can try using the bootable USB to start your computer in UEFI mode.

Wrapping Up

How to create a UEFI bootable USB on Windows 10? Now, I believe that you already have known the answer. Bear in mind that you need to make sure the drive is GPT partition table so that you can use it to boot your computer in UEFI mode successfully.

If you have any questions about this software, you can send us an e-mail via [email protected]. We also appreciate any ideas about this topic in the comment area.

UEFI Boot USB FAQ

UEFI boot mode is a type of boot mode that can run on the top of PC’s advanced firmware. Compared with the old legacy BIOS, UEFI has many distinct advantages such as faster booting process, more primary partition, and more secure startup.

To enable the UEFI boot mode, you need to access the BIOS Setup utility and then operate further. Here’s how:

  1. Press F10 and ESC (or Delete) keys when booting your computer to open the BIOS Setup utility.
  2. Go to the Boot tab and select the UEFI/BIOS Boot Mode by using the arrow keys, and press Enter.
  3. Select the UEFI Boot Mode by pressing the up and down arrow keys and press Enter.
  4. Press F10 keys to save the changes.
Since the EFI partition is a system and protective part on your hard drive, you can’t delete it in Disk Management. You need to convert it to a basic data partition using Diskpart and delete it. Alternatively, you can use professional software to delete EFI partition.

You need to prepare a Windows 10 bootable USB and follow the steps:

  1. Connect the USB drive to your computer.
  2. Press the appropriate key to enter the BIOS menu.
  3. Select the USB drive as the first boot order and save the change.
  4. Restart your computer.