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Dmg To Bootable Usb Mac – OS X Lion installation DMG (hint: file named: macosx10711a390.dmg) – Mac running OS X Leopard or Snow Leopard – USB Thumbdrive or Memorycard Reader w/memory card (4GB mininum, data will be destroyed). Hdiutil convert /path/sourceimagefile.dmg -format UDTO -o /path/targetmage.iso. Step 4: Once the ISO file has been created, you can use a burning tool to create the bootable USB drive. To do that, continue with this guide. Cons: File damged or broken after conversion. Failed booting from burned USB disk. May not work with the latest DMG file.
DMG file is a compressed file format being used widely on Mac computer. Windows OS doesn't natively support DMG disk image files, so if you need to create a bootable USB drive from a DMG file, mostly for bootable Mac OS X or macOS installation USB, you need a special utility to help you complete the task.
There is also the possibility of converting the file into a format more suitable for Windows, which is the ISO file format for disk images. Considering the above, let's look at different ways to create a bootable drive from a DMG file on a Windows computer.
Part 1: Convert DMG to ISO and Make Bootable USB from ISO
Since Windows doesn't offer native support for DMG files, you can first convert the file to ISO. Why? A lot of easier to find an app for making a bootable USB from ISO file. The easy way to do this is to use Command Prompt. Don't be intimidated by the non-GUI environment even if you don't have any experience. If you follow the steps below, you can convert any DMG file to ISO and then create a bootable USB using the converted file.
Step 1: Open Command Prompt by typing cmd in the Run windows and hitting Enter.
Step 2: In the command interface, go to the directory in which the DMG file is saved. You can do this by using the 'cd' command followed by the file path, then pressing Enter. For example, if your disk image is in D: and Command Prompt is currently in 'C:', then type 'd:' (no quotes) and press Enter. If it is in a subfolder, type 'cd subfolder', and so on.
Step 3: Use the following command to convert the DMG file to ISO:
hdiutil convert /path/sourceimagefile.dmg -format UDTO -o /path/targetmage.iso
Step 4: Once the ISO file has been created, you can use a burning tool to create the bootable USB drive. To do that, continue with this guide.
Cons:
- File damged or broken after conversion.
- Failed booting from burned USB disk.
- May not work with the latest DMG file.
- Complex and take more time.
Part 2: Create Mac OS X Bootable USB Installer from DMG
Androidphonesoft DMG Editor is a powerful software application for Windows that will allow you to manage the non-native DMG format even if you have no experience. The interface is uncluttered, and you can even use the tool to view files, extract them, edit the DMG and even copy it to a disk. The burn function has one of the highest success rates in the industry, which makes this an ideal utility for our purpose.
Created by the talented team of developers at Androidphonesoft, DMG Editor is currently the most intuitive Windows app for handling Apple's disk image format. Each of its functions have been tested on various Windows versions, with different types of DMG files and on different PC brands. This thorough testing means no wasted DVDs or corrupted files. As long as your DMG file is in good shape, you can directly create a bootable disk.
Step 1 Install DMG Editor
Download and install DMG Editor on your Windows PC.
Step 2 Plug in USB Drive
Launch the application and click on the 'Burn' section. You will also see other modules such as Edit, Extract.
Step 3 Load DMG File
Now import the DMG file by clicking the 'Browse' button and choose the USB drive name.
Step 4 Start Burning DMG to USB Drive
Click 'Burn' button at the bottom of window to start burning DMG file to USB drive. Once it get started, it displays a progress bar and you have to wait for the task to be finished. Usually, it takes 20 minutes depending on how large the file is.
In a few moments, your bootable USB flash drive will be ready for use. Since you haven't done any conversion, you can use this directly on a Mac for program installation, which you cannot do with the first method.
Part 3: Create Bootable USB from DMG in Windows Via PowerISO
Another well-known disk image utility is PowerISO. Apart from being ideal for burning ISO files, it can also burn a DMG file to USB to create a bootable drive. There are some settings that you have to keep in mind when burning with this software, but it's easy to get the hang of it once you do it a couple of times.
Step 1: Download PowerISO and install it in your Windows PC. Launch the app and insert a USB drive into a free USB slot in your computer.
Step 2: You can import the DMG file directly by clicking on ‘Burn' in the toolbar or going to Tools >Burn. In the Burn window, select the DMG file from the Source File section.
Step 3:Now review the settings to select the burn speed. The default will be the maximum your hardware can handle, so you can reduce that. You can also choose to finalize the disk and verify it. Finalizing means you can't save any more files on the drive, but it primarily applies to DVDs and CDs. Choosing ‘Verify' will prompt the software to execute an additional process after the burning is done. Any errors in the bootable USB will show up at that point.
Step 4: Now click on 'Burn' and wait for the progress bar to reach 100%. Your bootable USB is now ready.
Cons:
- Expensive for a single license.
- Higher failure rate for bootable device.
- Ugly user interface.
The Bottom Line:
The second two methods are recommended if you don't have much experience working with DMG files, but DMG Editor will appeal to novices and experts alike. The clean interface and minimal user input means a lower chance of errors while creating the bootable media.
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macOS Big Sur is one of the most advanced operating systems existing in the world so far. macOS is getting popularity due to having a lot of new features such as custom browsing layout, cross-browser compatible extensions and elegant tab designs. But you might be wondering, how to create a bootable macOS Big Sur USB so you can test it out.
Here is the solution to make your task easier to access the new macOS Big Sur. You can follow the process given to create macOS Big Sur bootable USB installer on Mac. All you need a 16GB USB drive and downloaded file of macOS Big Sur. Since after the launch of Mavericks, the creation of bootable USB on Mac has become easier, and here you will get the best 3 ways to create bootable USB for Big Sur.
Now, you are well aware of the requirements you need for creating macOS Big Sur bootable USB on Mac. So, before moving to the process, you must be confirmed whether Big Sur will support your Mac or not, and for that, you can check the supported list that is available on the Apple site.
#1: Use Terminal App to Create a Bootable macOS Big Sur USB Drive
In this method, we will perform this task via commands in Terminal app, which is the equivalent of Command Prompt in Windows. Before proceeding to the actual steps, you should be very careful when executing the commands. If you did this wrong, the internal disk will be damaged and break the Mac. Initially, you will go through the USB drive erasing process and then you can create macOS Big Sur bootable USB installer via a single but long command.
Step 1: Insert USB drive on your Mac and make sure the minimum storage capacity of USB should be 16GB.
Step 2: Open Disk Utility app and here you need to make a few changes. First select the USB drive then move to the Erase section at the top menu. Now, select Mac OS Extended (Journaled) from the drop-down menu. After that, go to the Scheme section and select GUID Partition Map.
Step 3: After making all the changes mentioned above, click on the Erase button and then close the Disk Utility window.
Step 4: Now, launch Terminal on your Mac and then type the command listed below.
sudo /Applications/Install macOS Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/USB
Step 5: Press the Return key and if any pop-up window appears seeking for the admin password, then provide the same.
Step 6: Now the process will start and it will take some time, so have patience. Once, it is completed, you will get a successful message on your Mac screen. After that, remove the USB as it is ready to boot now.
Creating bootable Big Sur installer in Terminal is the conventional method being recommended by technical experts. The whole process runs through text commands and it gives the utmost result. However, this method is good for those users who are a bit familiar with commands. However, if you are not comfortable with the commands, you can follow the other methods in this post to make a bootable macOS USB drive.
#2: Create macOS Big Sur Bootable USB Installer via DMG Editor
Honestly, most of the Mac users prefer using GUI app to complete tasks on their and people get used to mouse clicks. So in this part, we will abandon commands and use a modern app to create a bootable macOS USB drive.
UUByte DMG Editor is a powerful and most demanding software because of its features. UUByte can support multiple file formats in the burning process such as DMG, ISO, BIN, ZIP, and many more. The tool can burns any image file on the USB drive in a short time and make it bootable after burning. So you can easily create bootable macOS Big Sur USB on your Mac.
Step 1 Install DMG Editor on Mac
Download and Install UUByte DMG Editor on your Mac. Next, open the installed application and also insert the USB drive on your Mac. If you received a warning message when trying to open it from Lanuchpad, please go to Application folder, locate the app name and right-click on it. After that, select 'Open' to run the app.
Step 2 Add DMG File of macOS Big Sur
On the home page, you will get the burning feature. Click on the 'Burn' button and it will direct you to the next page, where you need to upload the macOS Big Sur DMG file.
Step 3 Burn macOS DMG to USB Drive
Now, verify the location of the USB drive and if it is not showing in the DMG Editor interface, then remove USB and insert it again. If everything is fine, then click on the 'Burn' button.
The burning process is commenced and it will be completed in several minutes. Once the bootable process is completed, close the application and remove the USB drive. Now, you can use this bootable USB to install macOS Big Sur.
Create Bootable Usb On Mac From Dmg Files
UUByte DMG Editor has unique burning features and a smooth interface. Apart from image burning function, it also extracts content from dmg file and enables the users to view and make changes in such file format. So, this tool is a complete package that gives full authority to create bootable macOS USB installer on Mac.
#3: Create macOS Big Sur Bootable USB via Virtual Machine
If you built a Windows virtual machine on Mac, then you can use TransMac (Windows only app) to create Big Sur bootable USB. TransMac is a software that enables the users to manage .dmg image file on Windows PC. Moreover, it has the potential to restore the DMG file of any macOS including Big Sur to USB drive. So, you can use this tool to perform the task in a Windows virtual machine.
Step 1: Download and Install TransMac on a Windows virtual machine.
Step 2: Insert the USB drive on the Mac and then run TransMac in administrator mode.
Step 3: At the left panel of TransMac, you will get the list of drives, select USB stick and then right-click on it to choose to 'Restore with Disk Image' option.
Step 4: You will get the pop-up window giving you the warning, read it carefully and further click on the Yes button.
Create Bootable Usb On Mac From Dmg File
Step 5: Now, click on the 'Browse' button and import Big Sur file on TransMac and then click on the OK button. TransMac will start the operation. In the beginning, it will erase the USB drive, and later on, it will burn the dmg file on USB drive and the entire process will take some time.
TransMac is another popular software for making bootable macOS Big Sur USB drive. However, it is a big expensive ($59.95) than UUByte DMG Editor. And you should build a virtual machine first. Although this is a working solution, it takes more time and money to finish the task.
The Bottom Line
These are the best three methods to creating macOS Big Sur bootable USB on Mac. Using UUByte DMG Editor is a lot of simple and any users can accomplish the task by his/her own. However, if you are tech-savvy, then you can go with the Terminal app. However, if you are a beginner, then you can choose UUByte DMG Editor or TransMac. So, everything is in your hands now and you can choose the method which is more convenient for you.
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