- HOW TO MAKE A LIVE MAC OS X BOOT DISK UPDATE
- HOW TO MAKE A LIVE MAC OS X BOOT DISK ISO
- HOW TO MAKE A LIVE MAC OS X BOOT DISK DOWNLOAD
HOW TO MAKE A LIVE MAC OS X BOOT DISK DOWNLOAD
To streamline the process, download the free Lion DiscMaker app. 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. 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. During testing it took me about 50 minutes to redownload the 4GB or so of content that comprises Lion. Click the Download button next to Lion, note the directory that it downloads to and wait for the download to finish. From there, you should see OS X Lion as one of your previous purchases. Go into the App Store application and open the Purchases tab at the top of the screen. This is a simple but slightly time-consuming process.
HOW TO MAKE A LIVE MAC OS X BOOT DISK UPDATE
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 redownload the OS update. The first step in getting Lion onto your USB drive is to obtain a copy of the OS itself. 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). 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. 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. You can do the same process in reverse if you need to copy the files back over, or restore the backup should your computer decide to break.A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends. Any settings you change or files you save there won’t be reflected on your primary installation. You can use your Mac as normal, but keep in mind that it’s separate from the installation on your main internal hard drive. This brings up the boot switcher and lets you boot from the external hard drive.
This can take fairly long, depending on the speed of your external drive and its connection to your Mac, so it’s best to have a fast hard drive with Thunderbolt, USB-C, or USB 3.0 connections.Īnd that’s it! When Disk Utility is done, you can shut down your Mac and hold down Option when booting it back up.
HOW TO MAKE A LIVE MAC OS X BOOT DISK ISO
You can also choose an ISO image, but that doesn’t have much use here.Ĭlick “Restore,” and Disk Utility will start the copying process. Select your external drive in the sidebar, click “Restore” in the menu, and then select your main drive as the “Restore From” option.
But, if you choose your external drive as the restore target, you can flip that action around and copy files from your main drive to the backup.
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