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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

Thunderbolt Supports External Boot Disks

Jun 29, 2011 - 7 Comments
Thunderboot Supports External Boot Drives

Thunderbolt equipped Macs are able to boot from external Thunderbolt drives. This means that you could run a full Mac OS X, Windows, or Linux installation from an external drive connected to a Mac with Thunderbolt connectivity, and because of Thunderbolts speed, it would be extremely fast. How fast? Theoretically, Mac OS X running on … Read More

Change the Mac Startup Drive on Boot

Mar 22, 2011 - 14 Comments

A Macs startup drive can be changed during system boot by holding down the OPTION key, start holding down Option the moment you hear the boot chime sound and while the screen is still black, this will bring up the boot drive manager. From this startup boot disk menu, you can use the mouse or … Read More

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