If you’re burning a Linux ISO, skip this and go to the Creating Linux bootable USB section below, it has its own steps. Step 3: format USB stick for Windows boot. This single command will erase the USB stick, make it bootable by adding a Master Boot Record (MBR) and create a Windows-friendly filesystem (FAT) on it. Create Bootable USB Installer for macOS X With TransMac. To make a bootable USB installer for Mac to Install macOS X on Windows, Mac, or even VirtualBox, you need to create a bootable USB flash drive. Let us begin on the way to perform it. To begin with, you need to download TransMac applications for Windows and install it on your PC. How to Create Bootable USB Drive for Mac? USB drive with sufficient storage space. Access to a working and supported Mac. Format USB to Apple supported file system. Get installer file for macOS. Create bootable USB. Booting Mac from Startup Manager. If you are not able to login to your Mac, you need to use Time Machine backup disk. Otherwise you should have another Mac for creating a bootable USB.

1. Create Mac Boot Usb From Dmg
2. Create Bootable Installer From Dmg
3. Create Mac Bootable Usb From Dmg

Macbooks or iMacs hardly require reinstallation of their Mac OS, but when they do then it’s a fairly difficult process especially if your secondary computer is Windows. Reinstalling Mac OS is a time-consuming process and requires a lot of patience that’s why recommend doing this process in your free time or weekends.

To get started with you require a USB drive with at least 8GB storage (16GB recommended). Then you need a working Mac OS ISO or DMG Installation Image. You can download it from the Apps Store or you can find Mac OS Image at ISORIVER.

There are 2 Methods to Create a Bootable USB drive of Mac OS on your Windows PC.

Method 1: Using TransMac

1. Download TransMac’s latest version for Windows from this link.
2. Connect your USB drive
3. Right Click on your USB drive option in TransMac and select Format Disk for Mac
4. After that, right-click the USB Drive and select Restore with Disk Image
5. Point to your Mac OS .dmg or .iso file by clicking the add button.
6. After that TransMac will create bootable Mac OS USB within few minutes.
7. Then you can insert it into your Mac, hold down the option key while turn on and boot your system with this USB.

Method 2: Using PowerISO

Another disk image utility that you can use is PowerISO. It can be used for burning both ISO files and DMG files to USB to create a bootable drive. Follow the steps below to Create a Bootable Mac OS USB on Windows PC.

Step 1: Firstly Download PowerISO and install it in your Windows PC. Launch the app and insert a USB drive into your computer.

Step 2: Import the DMG / ISO file directly by clicking on ‘Burn’ in the toolbar.

Step 3: In the Burn window, select the DMG / ISO file from the Source File section.

Step 4: You can modify the settings to adjust burn speed. The default will be set to the maximum, so you can reduce that.

Step 5: You can choose to finalize the disk and verify it. Any errors in the bootable USB will show up at that point.

Step 6: Now click on “Burn” and wait for the progress bar to reach 100%.

After the successful creation of Bootable Mac OS USB, boot your Macbook from this USB drive by clicking the option button during bootup and select this USB drive.

Watch this Video Tutorial

That’s it for the tutorial If you face any issues or had any query then please let us know in the comment section below. You can also send us an email via the contact us page for personalized support.

A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends. It’s also extremely useful for keeping your basic setup consistent across multiple computers, if you find yourself switching hardware regularly; and I’ve had fun in the past setting up a bootable USB keychain loaded with all the apps and files I need to turn any Mac-compatible computer into a viable media center quickly and easily.
With Mac OS X Lion and a new piece of free software, it’s easier than ever to create a USB keychain that you can boot from. All you need is a few minutes, a copy of Lion, and a USB flash drive with at least 4GB of storage (though more is preferable).

Preparation

The first step in getting Lion onto your USB drive is to obtain a copy of the OS itself. Unfortunately, the file you download from the Mac App Store to your computer deletes itself after you update to Lion, so you’ll probably need to re-download the OS update.

This is a simple but slightly time-consuming process. Go into the App Store application and open the Purchases tab at the top of the screen. From there, you should see OS X Lion as one of your previous purchases.

Click the Download button next to Lion, note the directory that it downloads to and wait for the download to finish. During testing it took me about 50 minutes to re-download the 4GB or so of content that comprises Lion.

Once the OS has finished downloading (and you’ve verified that Lion has landed safely in your Applications folder), you’re ready to transfer it to your trusty USB flash drive.
If you already own a copy of OS X Lion, you should be able to download a fresh copy at any time from the Purchases tab of the Mac App Store.

To streamline the process, download the free Lion DiscMaker app. Downloading a third-party app just to handle this process is a bit of a bother, but Lion Discmaker enormously simplifies the process of installing Lion on a USB keychain.

Now, before you start formatting your drive, back up anything currently on your flash drive that you’d like to keep–because this process will completely erase the contents of the USB drive and rewrite it with a copy of Lion. You have been warned!

Creating Your Bootable Drive

Lion DiscMaker makes this part of the process a snap. Start the Lion DiscMaker app with your USB flash drive plugged in and with the Lion install file sitting inside your application folder. The app will give you the option of creating a bootable drive out of either a DVD or a USB keychain.

Select the USB keychain option. (If you happen to own a Mac with a disc drive, consider creating a DVD backup of Lion. I prefer keeping Lion on a USB keychain so that I can add files to the USB drive to customize the installation; but if you’re just looking for a bootable copy to troubleshoot your hardware, feel free to go with the DVD option and save yourself a little cash.)

Create Mac Boot Usb From Dmg

Lion DiscMaker makes it easy to create a bootable thumb drive.
Once you’ve indicated that you want use a bootable drive, the app will ask whether you’d like to use a USB thumb drive or some other kind of disk. Select the USB thumb drive option again; and when prompted, choose the disk that you’d like to install Lion to. Select your flash drive and you should be ready to rock.

If you’re using a thumb drive that has only 4GB of free space, Lion DiscMaker will remind you that you won’t get a complete of OS X Lion package because there won’t be room for the “additional speech voices” package. This should be no great loss. Select Okay and then, to confirm that you’re aware the volume will be erased, click the Erase then create the disk button.

The copy procedure will take a few minutes and will open a few windows in your finder automatically, but Lion Discmaker should automate the whole process. All you have to do is wait for your Mac to cease displaying its “Copy in progress, please wait…” message, which will indicate that DiscMaker has finished installing Lion onto your flash drive. Once that’s done, you’ll have a bootable USB flash drive that fits in your pocket and can handle system recovery, OS installation, and even basic Web browsing in a pinch.

Create Bootable Installer From Dmg

If you have any space left over on your flash drive, you can add a few of your favorite applications and files, to customize a new installation. Regrettably, these files won’t be accessible when you boot directly from the USB flash drive; but once the installation is finished, they can help you save considerable time while setting up a new computer.

Of course the bootable drive that this method creates is no substitute for a fully customized Mac OS X Lion-based computer, but considering how fast and easy the drive is to set up–and how much time it could save you the next time you need to reinstall or troubleshoot your Mac OS X–there’s no good reason not to make your own bootable copy of Lion to carry in your pocket. Good luck!

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Create Mac Bootable Usb From Dmg

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