Single click on InstallESD.dmg to assure it is selected.Insert a blank DVD into the SuperDrive DVD burner on your Mac computer.Drag the InstallESD.dmg file from the desktop, to the left hand pane of disk utility, which is commonly referred to as the drive list.Launch Disk Utility: Finder > Applications > Utilities > Disk Utility.Copy the InstallESD.dmg file from the current folder to the desktop.Locate the disk image file titled InstallESD.dmg, which is in the SharedSupport folder.Right-click on the file, and select show package contents from the context menu.
Open Finder and navigate to the Lion install file that was downloaded from the App Store.dmg file with the Lion logo, and save it to an external hard drive (more about this later). Once the download is complete, it is a good idea to copy of the install file (the.Recovery Install DVDĪ Mac OS X Lion backup DVD can be created using the following steps: Luckily, there are some different ways that you can go about creating a Lion backup DVD, Lion backup flash drive, and other Lion recovery options. If you have already purchased the $29.99 download of Lion, it would simply not be worth it to pay for it again, just so you can have a backup USB drive. There are other situations where having an install DVD or USB drive would be convenient as well…Īccording to their official website, Apple is going to offer a USB option for purchasing Lion in August, but it will retail for $69.00. Perhaps the upgrade process from Snow Leopard to Lion did not go as smooth as you planned, again, a Mac Lion install DVD would be nice to have. Say you want to upgrade the hard drive in your Mac computer to a SSD, a Mac OS X Lion install DVD or USB flash drive would allow you to format the new SSD and reinstall Lion. Some main points to consider are that the digital download of Lion, by default, provides no method for clean install, nor does it allow for user-friendly creation of backup discs or a backup USB flash drive, which are often times, very important to have for many reasons. While the digital distribution of Mac OS via App Store is nice, because it allows you to upgrade instantly at your own convenience, it has a couple of drawbacks as well. With over 250 new features, Lion is turning out to be the operating system that will help test, but also begin to merge the features of iOS (Apple’s iPhone and iPad operating system) with OS X (Apple’s Mac computer operating system). Mac OS X Lion retails for $29.99 in the Mac App Store, which is a very competitive price for the upgrades that it offers.
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