News Users report issues installing Apple's Mac OS X 10.7 Lion Katie Marsal 111 Thu Jul 21 2011, 01:55 PM EDT · 2 minute read ...

If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...

Mac OS X Lion is easier to install than any previous version of Mac OS X. You don’t have to boot from a DVD or flash drive. Just download the Install Mac OS X Lion ...

Increased G5 fan activity Though it's not the first time this issue has appeared in conjunction with a major system upgrade from Apple, a surprisingly high number of readers are reporting dramatically ...

I scrubbed the drive on my G4 tower and wanted to reinstall os 9.2 followed by OS X. Unfortunately, when I boot from the 9.2 CD and launch "Mac OS Install" ...

Several users report a blank screen after installing Mac OS X 10.6, Snow Leopard. However, one suggested fix is to find a flashlight to read the screen. In the Apple Discussions topic Display blank ...

[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

Mac users have reported an unusual number of problems installing Mac OS X 10.5.7, the huge security and feature update that Apple unveiled yesterday. According to messages posted on Apple’s support ...

macOS Monterey, released last week as the latest version of macOS, is bricking older Mac computers, rendering them unusable and unable to even turn on, according to a number of reports from users ...

Apple has released the first public beta of macOS Mojave, the next major version of its Mac operating system due to launch in the fall. The availability of the public beta means Mac users don't need ...