How Do I Make A Bootable Usb For Mac Dmg

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If you want to do a clean install of macOS Sierra, or you have multiple Macs to install it on, then a bootable flash drive for is your best bet for easy installation. Here’s how to make one. Sep 23, 2019  A copy of Apple’s macOS (DMG file). Now that you have all the necessary ingredients, you’re ready to make a Mac OS X bootable USB using the DMG file of the operating system with the steps below. How to create Mac OS X bootable USB installation media. In order to Create Bootable USB for Mac on Windows 10 with DiskMaker X 6, first, you have to install macOS High Sierra or lower version of mac on VirtualBox or VMware on Windows 10. Once you installed macOS 10.13 High Sierra follows the below steps and create a Bootable USB for mac on Windows 10. The easiest way to create a USB flash installer is with the free program, Disk Creator. Download the macOS Sierra installer and Disk Creator. Insert an 8GB (or larger) flash drive. If you have any. Apr 03, 2016 Make Bootable Installation USB from Mac OS X.DMG on Windows PC. In the following instruction, we show specifically how to make a Mac OS X bootable installation USB from El Capitan.DMG, Yosemite.DMG, Maverick.DMG or any OS X older versions on Windows PC. How to create a bootable macOS High Sierra installer drive Put the macOS High Sierra installer on an external USB thumb drive or hard drive and use it to install the operating system on a Mac.

Dec 14, 2019 After you created bootable macOS USB installer follow the following steps to install macOS Catalina or Moajve on your mac machine. Plug your bootable USB drive and restart your machine. Hold ALT+R keys during starting your mac computer. (Before Apple logo appears) Select your bootable USB on the screen and follow on screen instructions.

Posted February 28, 2011 by Jimmy S in Apple Mac, Mac OS X Leopard, Mac system administration

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This recipe will explain how to make a USB Thumb Drive bootable with the OS X Lion Developer Preview installer on it and in turn allow you to install Lion on a Mac without an optical drive (ie Macbook Air line). We will need a copy of the installer dmg (not provided) and a 4GB USB Thumbdrive or Memorycard Reader w/memory card and a Mac to convert the dmg to a bootable usb thumb drive.

Requirements:

  • – OS X Lion installation DMG (hint: file named: mac_os_x_10_7_11a390.dmg)
  • – Mac running OS X Leopard or Snow Leopard
  • – 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.

Guide:

1. On your Mac, open up Disk Utility. Click on the USB Drive on the left.

2. On the right pane, go to the Restore tab.

3. Click on the Browse button and locate the .dmg installer for OS X Lion. (ie mac_os_x_10_7_11a390.dmg)

4. Once you have it chosen, click and drag your USB Thumbdrive from the left pane to the Destination box. (ie THUMBDRIVE in the screenshot) and then click Restore

I recommend erasing the destination, so be sure to backup any data on the thumbdrive prior to this step! This will take a few minutes to do. Once its finished, you now have a bootable OS X Lion install thumbdrive (basically just like what the Macbook Air ships with).

5. Hold Option/Alt after your see the Apple logo appear and boot with the thumbdrive in your Mac.

Choose the USB Drive to install OS X Lion from your USB Thumbdrive!

  • – I would recommend creating a separate partition for your OS X Lion installation as well.

NOTES:

– I have confirmed this working on a Macbook Air 11″, 2010, 1.6Ghz version.

About Jimmy S

Jimmy Selix is an early adopter that loves to be one of the first on the block to have the latest and greatest in technology and gadgets. Another love of his is being able to share his knowledge to others seeking it. Feel free to drop any comments or questions that you may have.
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Are you looking to create macOS Catalina bootable USB installer on Windows PC?

Do you intend to install macOS Mojave/ Catalina on your Mac computer?

Or do want to do a clean installation?

If so, this topic is definitely for you.

Creating a bootable USB installer on a mac computer is easy. You can use the build-in-mac-Terminal with few sample codes.

However, if you don’t know how to use Terminal or you don’t have access to a functional mac computer, then you need to do it on a different operating system like Microsoft Windows or Linux.

As far as Linux is a rarely used by people comparing to Microsoft Windows, i will show you how to create a bootable macOS USB installer on a Windows PC.

Download macOS Catalina/Mojave dmg file.

To create macOS USB installer you need to have a dmg file of macOS Catalina/ Mojave.

For this purpose you can use App Store. if you do not have a functional mac you may download the dmg file from third party websites.

How You Can Create macOS Catalina Bootable USB Installer on Windows PC?

After you have downloaded dmg files , you can initiate making a bootable USB installer. On a Windows PC this can be done via a software called “TransMac”

TransMac is available in both 10 days trail version and premium version. If you can effort i suggest you to use the full version.

  • Read Also: Install MacOS Catalina on VirtualBox on Windows PC
  • Read Also: Install macOS Catalina on VMware on Windows PC

Steps to Create macOS Catalina Bootable USB Installer on Windows PC?

Step #1: Download TransMac.
To download this software open your broswer and download it from the official website.

Step #2: Install TransMac.
Installation procedure of TransMac is as sample as installing other programs on Windows PC. Simply run TransMac.exe then follow on screen instructions.

Step #3: Plug your USB drive to your Windows PC.
You will need at least 8GB USB drive to make a bootable USB installer of macOS Catalina/ Mojave.

How Do I Make A Bootable Usb For Mac Dmg Download

Step #4: Open TransMac if it is not already.
Now you will need to run TransMac to procced further if it is not open already. If you are using a trial version of the software you will need to wait a couple of seconds, then click “Run”.

Step #5: After TransMac is launched on your PC desktop, right click on your USB drive, then select “Restore with Disk Image” as you see below.

Step #6: Now select macOS Catalina/Mojave DMG file where you have downloaded and click “OK”.

How Do I Make A Bootable Usb For Mac Dmg Download

After you selected the dmg file you will be notified that your USB drive will be formated. Press “Yes” to continue.

Well done, your bootable USB installer is going to be ready in about 15-20 minutes.

How to Install macOS Catalina/ Mojave?

How Do I Make A Bootable Usb For Mac Dmg Pro

After you created bootable macOS USB installer follow the following steps to install macOS Catalina or Moajve on your mac machine.

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  1. Plug your bootable USB drive and restart your machine.
  2. Hold ALT+R keys during starting your mac computer. (Before Apple logo appears)
  3. Select your bootable USB on the screen and follow on screen instructions.

Conclusion:


You can create bootable USB drive both on mac computer and Windows PC. If you have a functional mac try Terminal and Unibeast.

To create bootable USB installer on Windows PC you can use TransMac for this purpose which comes both in trail and premium version.

How Do I Make A Bootable Usb For Mac Dmg Drive

I hope you find this article useful. If you find any question leave it in the comment box below.

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