If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...

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 ...

A reader sent us this tip for insuring that Mac OS X performs a clean install when applied to a volume which already contains a copy of the OS. Paul Christensen writes: "I accidentally replaced the ...

It's easy to make boot disks on old Macs for older hardware, but as the years have gone on, it's gotten a little more difficult. Here's how to make classic Mac OS 9 and early Mac OS X boot media on ...

It says that it's got a 1.5TB hard disk, when there are 3x 500GB drives physically installed. What I'd like to do is remove all but 1 functioning disks and re-install Mac OS X so that I have a ...

Apple has released Mavericks (OS X 10.9), but before you rush out and install the new OS, you’ll want to get your Mac ready for the upgrade. As with Mountain Lion (OS X 10.8) last year, and Lion (OS X ...

The DVD drive in my G4 Powerbook died and I need to install 10.5. What's the best way to do this without a DVD drive? Over the network from another computer? Or should I put the Powerbook in target ...

Most of us face the prospect of upgrading our operating systems with a mixture of excitement and dread. True, a new OS brings cool new ways to work. But that doesn’t change the fact that when you ...

That single copy of the Install Mac OS X Lion application is used to install Lion on other Mac systems at the school or business. Once the install app has been downloaded, administrators just copy it ...

It’s highly unlikely Apple will ever give us an iPad that runs macOS — and that’s OK. Because with a few tricks (that do not require a jailbreak), you can ...