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- #Creating a bootable usb drive for mac how to#
- #Creating a bootable usb drive for mac mac os x#
- #Creating a bootable usb drive for mac install#
- #Creating a bootable usb drive for mac pro#
My theory on the Installer sizing being that amount should be large enough to future-proof that partition for newer DVD-sized OS installers. I partitioned the drive into two partitions–the first for ~28GB for the bootable OS (Utility) and the other at 4.7GB for the installer (Install).
![creating a bootable usb drive for mac creating a bootable usb drive for mac](https://i1.wp.com/new4trick.com/wp-content/uploads/2020/02/How-to-create-a-Windows-10-Bootable-USB-on-Mac.png)
#Creating a bootable usb drive for mac mac os x#
I formatted the drive using Disk Utility as Mac OS X Extended (Journaled) and with a “GUID Partition Table”. As of mid-2011 it’s supposed to be one of the faster USB 2.0 drives. I used a Transcend JetFlash 600 – 32 GB USB 2.0 Flash Drive TS32GJF600 (Black).
#Creating a bootable usb drive for mac install#
I ended up going with a 32GB drive–a full OS install takes 14+GB, plus space for extra utilties and the OS installer is described as being 4GB but it’s really a bit larger. So a full bootable copy of OS X, with it’s normal utilities, plus space for additional tools for utilities like Drive Genius and Data Rescue. With Mac OS X 10.7 coming as a digital download (and hence no install DVD), it seemed like as good a time as any to try making a bootable USB drive to use in case of emergency. And then I copy over as well as install various additional utilities. I did this from a second copy of the macOS installer. I Install macOS onto the Utility partition.
![creating a bootable usb drive for mac creating a bootable usb drive for mac](https://www.lifewire.com/thmb/yyk35p34o0z9aoCPA67rzwFCS1g=/6000x4000/filters:fill(auto,1)/create-bootable-os-x-el-capitan-installer-2259939-0106fd090b9849678b321c6f4419643b.png)
Using Disk Utility, format the drive as ExFat.
#Creating a bootable usb drive for mac how to#
[ Update: I used the Ars Technica: How to make your own bootable OS X 10.11 El Capitan USB install drive instructions to create a macOS 10.12 install USB drive.
![creating a bootable usb drive for mac creating a bootable usb drive for mac](https://blog.realhe.ro/wp-content/uploads/2020/02/image-1536x945.png)
The installer will be in your Applications folder.
![creating a bootable usb drive for mac creating a bootable usb drive for mac](https://www.oueta.com/wp-content/uploads/2017/12/macos_windows_usb.png)
Quit the installer if it opens automatically after downloading. Download the macOS installer from the Mac App Store.Go to Apple’s CreateInstallMedia support page for up to date instructions.Use the ‘createinstallmedia’ command in Terminal I tried using Apple’s CreateInstallMedia instructions, and finally was able to create a working Install device and Utility drive per my additional instructions below. After letting Diskmaker X do it’s thing, the drives (when I try using the whole drive as the installer) and partitions (how I normally do it) are not seen by Mac OS as bootable in the “Startup Disk” System Preference or when holding down the Option key on boot/restart.
#Creating a bootable usb drive for mac pro#
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