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

Last Updated on

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:

Mac Os X Installer Download

  • – 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).

Os X Dmg To Usb Drive

In this article we'll run through the steps necessary to create a bootable installer of the Mac operating system, whether it's so you can install the latest version of the macOS on multiple Macs. Download DiskMaker X. INSTRUCTION To do in Windows, we already shared a very specific instruction from here: Make Bootable Installation USB from Mac OS X.DMG on Windows PC. At for Mac users, there will be 2 doable methods. Using a Mac with at least OS X 10.6.8 installed, access the Mac App Store and download the Lion (10.7) or Mountain Lion (10.8) app installer. Insert the USB drive into the Mac and launch Disk Utility. Click on the USB drive from the left-hand menu and select the Partition tab. Oct 25, 2009 Install Mac OS X 10.5 Leopard via USB on PowerPC Macs - Duration: 15:35. LOLZpersonok 173,233 views. Oct 25, 2009  OS X convert DMG to USB install. How to Make Bootable USB drive with.DMG for Tiger, Leopard, Lion, Mountain Lion, Mavericks OS X - Duration: 7:43. Tech & Design 63,548 views. Nov 14, 2019  OS X Lion does not come with a bootable installer, but with the help of this guide, you can create your own bootable Lion installer on a USB drive. Right-click the InstallESD.dmg file and select Copy from the pop-up menu. Install OS X El Capitan Using A Bootable USB Flash Drive You Create. The Many Uses for OS X Disk Utility.

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.

Method 1: How to Burn DMG to USB on macOS or Mac OS XIf you have a Mac, then Disk Utility will help you create your bootable USB drive. Since this is a native application, no downloads are required. You simply have to follow the process as described below:Step 1: Open Disk Utility by going to Applications Utilities and clicking on the tool.Step 2: You should be able to see all the drive names in the left-side panel. The built-in tool will be able to directly burn the DMG file to a disk or drive. How to burn dmg file to dvd in windows 7.

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).

Users can now label each file with a tag and color for quick indexed search.Notifications: You can now create responses directly from notifications. Os x mavericks dmg torrent

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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