Complete the El Capitan install in a few easy steps This article explains how to perform a clean install of OS X El Capitan on your Mac's startup drive or another drive. It includes information on 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 ...

If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...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 rolled out the public version of macOS Sonoma on September 26, 2023, making it available to download and install on any supported Mac desktop and MacBook, including some older models that pack ...

(Note: This guide is adapted from one I found buried in Google's cache, so I thought Ars might appreciate a more accessible, updated version.)<br><br><b>Introduction</b><br><br>We all know that OS X ...

Apple today released macOS 12 Monterey, and whenever a new operating system is released for the Mac, some users prefer to perform a clean installation. This article explains how to perform what is ...

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 ...

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 ...

Editor’s note: Roman’s faulty memory incorrectly stated originally that Apple removed the installation discs from the Apple Store. Apple actually offered Lion and Mountain Lion download codes through ...