Having a secondary boot volume is almost a necessity for troubleshooting some problems with Macs. Here are some options for creating boot disks. Topher, an avid Mac user for the past 15 years, has ...

When your small business creates a bootable disk for its Mac computers from ISO disk images, there's a difference between an ISO file and the disk image it contains. If you burn the file to a blank ...

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 ...

I’ve written quite a bit about installing Lion (OS X 10.7) and about the benefits of creating a bootable installer disc or drive. While the latter process isn’t prohibitively difficult, it’s still a ...

Previously we created an installation image from a fresh copy of the El Capitan installer. This week we’re going to use a tool called AutoDMG to install OS X (or is that macOS?!?) and a couple of ...

There are some situations where you'll wish you had one.

When your PC stops booting, a boot drive is the electronic version of a defibrillator. If you can boot your PC, you can detect bad memory, chase bad sectors, change passwords, and recover data … all ...