boot disk

Search boot disk

How to Make a MacOS Big Sur ISO File

Dec 14, 2020 - 13 Comments
How to make MacOS Big Sur ISO File

Some advanced users may wish to create an ISO file of the macOS Big Sur installer file (or MacOS Catalina installer, or MacOS Mojave installers for that matter). These can be useful for installing MacOS into virtual machines like VirtualBox and VMWare, and because the resulting installer is an ISO file it can be helpful … Read More

How to Boot T2 Mac from External Startup Drive

Dec 9, 2020 - 5 Comments
How to Boot t2 Mac from External Drives

Newer Mac models with Touch ID, Touch Bar, and/or the T2 security chip default to having a secure boot mode that disallows booting the Mac from external startup drives. This security setting is recommended for most users to keep enabled, but some users may wish to turn the feature off, at least temporarily, usually to … Read More

How to Create macOS Big Sur Beta Bootable USB Install Drive

Aug 14, 2020 - 5 Comments
How to make a macOS Big Sur beta boot installer drive

Advanced Mac users often want to make a boot disk installer for macOS Big Sur beta, allowing for something like a USB flash drive to be used to boot and install macOS Big Sur onto any compatible Mac. Bootable MacOS installer USB drives provide for the ability to clean install macOS Big Sur, update to … Read More

How to Convert a MacOS Installer to ISO

Jul 20, 2020 - 16 Comments
macOS installer ISO

Advanced Mac users may wish to convert a MacOS Installer application into an ISO file. Typically the resulting installer ISO files are used for installing macOS into virtual machines like VMWare or VirtualBox, but they can also be used to burn the ISO to media to create a boot disk. This offers an alternative to … Read More

How to Create a Bootable MacOS Catalina Installer Drive

Jul 14, 2020 - 14 Comments

Some Mac users may wish to create a bootable MacOS Catalina installer drive, typically using a USB flash drive or with another similar small boot disk. Bootable USB installers offer an easy way to upgrade multiple Macs to macOS Catalina, to perform clean installs of MacOS Catalina, to perform maintenance from a boot disk like … Read More

How to Create a MacOS Catalina Beta USB Bootable Install Drive

Jun 6, 2019 - 14 Comments
How to make a MacOS Catalina beta bootable install drive

Advanced Mac users can make a bootable macOS Catalina beta installer drive using a USB flash drive. This offers a simple way to install the macOS 10.15 beta release onto a test Mac, either on a separate drive or partition. Using a boot installer drive allows for easy formatting and partitioning of disks too, making … Read More

How to Make a Bootable MacOS Mojave Installer Drive

Sep 26, 2018 - 54 Comments
How to make a MacOS Mojave Bootable Installer Drive

Want to make a MacOS Mojave bootable USB installer drive? It’s pretty easy to do, as long as you have the MacOS Mojave installer app and a USB flash drive. Much like prior versions of Mac OS, you can easily create a bootable install drive for MacOS Mojave 10.14. These boot install drives allow for … Read More

How to Make a MacOS Mojave Beta Bootable Install USB Drive

Jun 11, 2018 - 18 Comments
Make a macOS Mojave beta bootable USB install drive

Creating a bootable MacOS Mojave beta installer drive with a USB key or flash drive is a common desire for many advanced Mac users testing the upcoming macOS 10.14 operating system. A bootable macOS Mojave installer has several benefits, including the ability to format a target disk, easily perform clean installs, the ability to install … Read More

How to Create a Bootable Install Drive for macOS High Sierra

Sep 27, 2017 - 42 Comments
How to make a macOS High Sierra USB boot installer drive

Some Mac uses like to create a bootable USB installer drive for macOS High Sierra. A bootable install volume of macOS 10.13 allows users to perform a variety of tasks including formatting and clean installs, updating multiple Macs from the same USB flash drive installer (and without re downloading), and to use as a troubleshooting … Read More

How to Create a Bootable macOS Sierra Installer

Sep 23, 2016 - 68 Comments
Create boot installer for macOS Sierra

Some Mac users like creating a bootable USB install drive for macOS Sierra, which offers for a way to easily update multiple machines, perform clean installs, and to have just as a backup Mac OS Sierra installer should the need arise. This walkthrough will demonstrate the exact steps necessary to create a boot installer drive … Read More

How to Make Bootable MacOS Sierra 10.12 Beta USB Installer Drive

Jun 15, 2016 - 15 Comments
How to make bootable MacOS Sierra Install USB Drive

Many Mac users interested in installing MacOS Sierra Beta may prefer to do so with the assistance of a macOS Sierra 10.12 bootable installer USB drive, typically on a flash thumb drive or a similar disk. The advantages to this method is that the macOS Sierra installer is portable, it can be booted from, and … Read More

How to Create a OS X El Capitan Boot Installer USB Flash Drive

Sep 30, 2015 - 235 Comments
Make a bootable OS X El Capitan install drive

Many Mac users like to make a bootable installer drive for installing OS X El Capitan, whether for performing a clean install, or for making it easier to install OS X 10.11 onto multiple Macs. We will walk through creating a bootable install flash drive from OS X El Capitan with the final public version.

How to Make a Bootable OS X El Capitan GM / Beta USB Installer Drive

Jun 11, 2015 - 58 Comments
OS X El Capitan Boot Install drive

Many Mac users interested in running OS X El Capitan may wish to have a bootable install drive of the new operating system. We’re going to demonstrate how to do this with a USB flash drive, but technically you can create a boot installer out of just about any USB device which has sufficient space. … Read More

How to Make an OS X Yosemite Boot Installer USB Drive

Oct 16, 2014 - 297 Comments

Now that OS X Yosemite is available, many users may wish to create a bootable installer drive from something like a USB flash thumb drive or another disk. This allows for several things, the ability to upgrade multiple Macs without having to re-download the installer, the ability to perform a clean install, and also the … Read More

How to Make a Bootable OS X Yosemite Beta USB Install Drive

Jul 25, 2014 - 22 Comments
OS X Yosemite Installer USB Drive

Now that the OS X Yosemite Beta is available to the public (you can still sign up and download it if you’re interested in running the beta release on your Mac), you might be wanting to make a bootable installer drive out of an external USB flash disk to make installation easier. Sure, you can … Read More

How to Boot a Mac from an External Drive or Alternate Startup Disk

Jun 22, 2013 - 22 Comments
Boot a Mac from an External Drive

Certain situations require a Mac to be booted from an external boot volume, rather than the primary startup disk. There are plenty of reasons for booting from external volumes, whether it’s to troubleshoot problems, repair disks, partition, format everything, update, or even reinstall Mac OS X. We’ll cover the two easiest ways to do this, … Read More

How to Make a Bootable OS X Mavericks USB Install Drive

Jun 12, 2013 - 43 Comments
OS X Mavericks bootable install drive

Just like other recent major Mac updates, OS X Mavericks arrives as an app that wants to update the current OS X installation, and with a little work you can make a bootable USB installation drive. This allows you to easily perform partitioning for dual boot situations, clean installs, upgrades on multiple Macs, and more, … Read More

Create an OS X Mountain Lion Installation Boot DVD or USB Drive with LionDiskMaker

Jul 25, 2012 - 15 Comments
Create a OS X Mountain Lion Boot Install DVD or USB Drive with LionDiskMaker

Mountain Lion is out! You can upgrade a Mac right out of the App Store, but some people prefer to make a boot disk. If you’re in that group, rather than making a bootable OS X Mountain Lion installer yourself the old fashioned way, you can do it all in a few clicks with the … Read More

Subscribe to OSXDaily

Subscribe to RSS Subscribe to Twitter Feed Follow on Facebook Subscribe to eMail Updates

Tips & Tricks


iPhone / iPad



Shop on Amazon to help support this site