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1. Which version of mac ox for bootable usb drive install#
2. Which version of mac ox for bootable usb drive download#
3. Which version of mac ox for bootable usb drive free#

Normally, you should choose to format it in APFS but not Case-Sensitive, for greatest compatibility with software.

Which version of mac ox for bootable usb drive install#

You don’t and can’t do that on an M1 Mac: this only applies to Intel Macs with T2 chips.Īlthough you can do this immediately before you install macOS onto it, it’s usually better if you connect the external disk now, open Disk Utility, and format it ready for the installation. To do that, restart in Recovery mode (Command-R), open Startup Security Utility and enable your Mac to boot from external media. If you’re using an Intel Mac with a T2 chip, you first need to check that your Mac is configured so that it can boot from an external disk, unless of course you already know that because that’s what it’s doing now. 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.As Apple doesn’t yet appear to provide complete instructions for the creation of a bootable external disk in recent versions of macOS, and the information which it does provide is at best misleading in places, this article attempts to remedy this for both Intel and M1 Macs.

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.

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. Select Okay and then, to confirm that you’re aware the volume will be erased, click the Erase then create the disk button.

Which version of mac ox for bootable usb drive free#

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. Select your flash drive and you should be ready to rock. Select the USB thumb drive option again and when prompted, choose the disk that you’d like to install Lion to. 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. Lion DiscMaker makes it easy to create a bootable thumb drive. 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.) (If you happen to own a Mac with a disc drive, consider creating a DVD backup of Lion. The app will give you the option of creating a bootable drive out of either a DVD or a USB keychain. Start the Lion DiscMaker app with your USB flash drive plugged in and with the Lion install file sitting inside your application folder.

Lion DiscMaker makes this part of the process a snap. You have been warned! Creating Your Bootable Drive 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.

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.

Which version of mac ox for bootable usb drive 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.