Two recent Apple KB articles of note: 106605: Mac OS X 10.1: Do Not Reinstall After Using the Mac OS X Update 10.1.1 states: "You should not reinstall Mac OS X 10.1 ...

There are many reasons to reinstall macOS. It can fix any one of several OS errors. Plus, it helps secure your Mac for sale if you need to wipe all of your data. There are a few different ways to do ...

The Mac OS X Lion operating system includes a recovery utility that you can use to reinstall the operating system if necessary. If you have a partitioned hard drive, you simply need to select the ...

Thomas Koons received what we hope is the "final answer" on the question as to why Apple recommends erasing your drive if you want to reinstall Mac OS X 10.1 after installing the Security Update (see ...

-system -<BR>Powermac 5500/225<BR>OS 8.0<BR><BR>This will boot without extensions. Without bypassng them, the OS starts to load from either the CD or from the HDD but stops before any extensions ...

Apple rolled out OS X Lion this morning as well as several new Mac Mini and MacBook Air models. And they have a very cool new system recovery option: You can ...

The latest versions of the Mac OS X operating system are not available as DVDs, but you can still boot your computer to an installation volume and run different Disk Utility operations. For example, ...

If you ever need to restore the entire contents of an OS X Lion startup drive, or just perform a reinstall of the OS, you’ll find that there are numerous ways to accomplish these tasks. In fact, there ...

Is your Mac about to crash? Here's how to create a bootable USB flash drive with a working version of macOS, so you can access your hard drive in the event of a glitch. Your Mac is failing to boot up ...