Bootable disc image files may contain all the data necessary to create a disc from which computers can boot, but if you want them to work, you can't just burn them to a disc the way you would regular ...

The most common method is to boot from a Mac OS X Install disc, run the Installer utility and install a new copy of Mac OS X. The other common alternative is to create a bootable (mirrored or cloned) ...

Alsoft's DiskWarrior 5.0 is a must-have disk utility for Mac users I've used Macs for many years and one program that I've ...

Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...

You'll need a Mac, an 8GB USB drive or SD card, and a little patience. So you can't simply 'burn' the ESD DMG inside the installer to USB anymore? I've done that on ...

If your Mac has multiple bootable disks—via either a partitioned internal disk or external FireWire drives—you’re probably very familiar with the Startup Disk System Preferences panel. As you’d guess ...

Posts from this topic will be added to your daily email digest and your homepage feed. If you can’t get into macOS, there are a few tricks to try. If you can’t get into macOS, there are a few tricks ...

Good backups are essential for every Mac user. Tools such as Apple’s Time Machine, included as part of OS X, make it easy to store multiple versions of every file from your computer on an external ...

A handful of macOS apps let you make near-exact copies of your Mac's storage devices, which can be handy for backing up in case of a data emergency. Sometimes it's handy to make a full, complete, ...

If you have bought an Apple Silicon Mac or MacBook but need to upgrade your storage without buying a brand new device, you can set up your Mac to run from an external drive. Here's how to boot macOS ...

In last month's column, I described the hurdles that Mac OS X puts in your way when you try to create a bootable disc, especially a custom bootable CD, DVD or flash drive. I offered various solutions ...