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Oct 24, 2011 – USB Thumbdrive or Memorycard Reader w/memory card (4GB mininum, data will be destroyed). This guide lets you restore the.dmg installer file for OS X Lion onto a usb thumbdrive. We can then boot the USB Drive on our Mac to install OS X Lion from it. This is very handy for us Macbook Air users that do not have an external optical drive.
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 and Copy.
Step 3 Start Burning ISO File to USB
Now import the DMG file by clicking the 'Load DMG' button, and click on 'Burn'.
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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USB drive can be made bootable, but it is not as straightforward as it may sound. Copy-pasting the ISO image to the drive will not cut it. You will need to burn the file. This is the reason why you need an application that can help you with the process. Basically, ISO image files are compressed with numerous data that can be read once it is burned on a disc or thumb drive. Now, burning ISO images to a USB lash drive is not similar to copying music, videos, pictures etc. to your flash drive. First, you will be required to burn the file using an external software then you can read the files contained inside the ISO image file.
Here we will list two ways to help you burn ISO file to your USB drive.
Method 1: Burn ISO Image to USB Drive with WizISO
iSeePassword WizISO - It's a flawless little powerful tool that helps to burn or write Windows 10/7/7 ISO image files to USB flash drives or CD/DVD with just 1 click. It is a very small program yet very effective and powerful. You can even create bootable Windows operating system disks by burning the Windows ISO image files using this program. It is faster than any program available online and you can even change the drive format to FAT 32, FAT, NTFS easily.
WizISO - Directly Burn Windows 10/7/8 ISO to USB/DVD,CD with Just One-Click
- Specialized tool for creating bootable USB, DVD, CD from ISO file without getting any errors.
- Support writing 4 system file: FAT, FAT32, exFAT, and NTFS file system.
- All the necessary features are available: ISO create, burn, extract, copy disc, edit.
- Fully support two partition style: MBR(legacy BIOS/CMS boot) and GPT (UEFI boot).
- Easy to use, no professional skills required.
What You Need:
1) A USB flash drive or DVD/Cd (a minimum of 4GB is recommended).
2) Source Microsoft ISOs for Windows 10/Win7/Win8, 8.1, XP, Vista.
3) The WizISO file (click the download button here)
1Directly download the program on any Windows computer and install it, then run it as soon it is finished. As you can it's very
2This tool is extremely easy to use. Simply click on 'Browse' and import your ISO file to program.
3Once the right ISO image has been chosen, just below the 'Create a bootable disk using' option. Insert a CD/DVD or USB flash drive to your PC. Click on the Burn button to begin the process. You will get the warning that all the data on the chosen device will be destroyed. Click on OK to proceed.
4Click on 'Burn' and within few moments, your disk will be ready.
If you're locked out of Windows 7 and can't recall the password at all, don't worry, resetting Windows 7 password will be extremely easy with the help of Windows Password Recovery Pro.
Method 2: How to Burn ISO Image to USB Drive Using RMPrepUSB
The first thing you need to do is download RMPrepUSB on your computer. USB drive created using RMPrepUSB will enable you to easily access the ISO file and change it into a bootable device. The RMPrepUSB executable file is portable and you will not need to install it after saving it on your computer.
Step 1. Once the download is complete, locate the file RMPrepUSB on your hard drive and double-click on it. It will run the program straightaway without having to install. So, there won't be any registry entries. Remember that burning any file to the USB drive will format it first.
Step 2. Insert the USB drive that you wish to burn the ISO image file to. RMPrepUSB application will automatically detect all the USB drives connected to your computer.
Step 3. Select the desired USB drive from the drop-down labeled as 'Device'. You will see the name of the device and the amount of free space available in the drive. It will also show the drive letter allocated to the USB drive. This helps you make sure you are only choosing the right drive and prevents any accidental formatting of any other device.
Step 4. Do not make any changes to the next three fields, namely 'Partition scheme and target system type, Cluster Size, and File System', unless of course you know exactly what you are doing and intend to make the changes.
Step 5. You can choose the New Volume Label; you can give it the name you desire. However, even if you leave it untouched, it will not affect anything. You can change the volume label name later as well.
Step 6. There are several format options under the 'Bootloader' section. Most of them could be left alone as the default settings are most appropriate. However, if you suspect any issues with your USB drive, you can always choose 'Check device for bad blocks. It is okay to choose '1 Pass'. However, if you feel that your device may have some serious issues, you can choose a bigger number (more passes.)
Step 7. This is where you need to select the right ISO image to create the bootable drive. Click on the icon of CD/DVD to locate the desired ISO image that you wish to burn to your USB drive. Once you find the file click on the 'Open' button.
Step 8. The program will now begin the inspection of the ISO image you selected. It may take a few seconds. If you receive the message that the ISO image is unsupported, it would mean that the ISO file is not right. You will need to find the right ISO image first.
Cons:
- Quite complicated, not intended for the beginner.
- Don't support UEFI boot.
- Files are often corrupted or not burned properly many times.
- Slow program, can take up to 30 minutes to burn Windows operating system files.
Conclusion:
How To Mount Dmg File Onto Usb On Windows 10
ISO image files are mainly used to create Windows bootable disks and WinISO does a tremendous job making sure that your ISO image file is successfully burned so that you can directly boot from the disk. Also, if you need to extract any data from an ISO image file then also you can use this program without any anticipation.