MacOS includes a recovery partition that allows you to easily erase all data on your Mac and reinstall your OS without an installation disc. In this article we will show you how to reinstall Mac OS ...

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 ...

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 ...

If you experience issues running macOS Big Sur on your M1 MacBook Air, ‌M1‌ MacBook Pro, or ‌M1‌ Mac mini, or you want to start afresh with a new installation of the operating system, you'll need to ...

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 ...

I have a problem that Apple Support seems to be having trouble fixing for me. I have a Mac Mini that shipped with OS X Server (10.9) that I recently wiped and reinstalled. 10.9 reinstalled and updated ...

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 ...

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 ...

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 ...

Along with the shift to Apple Silicon, performing things like a restore is different with M1 Macs compared to their Intel predecessors. Follow along for a look at how to revive and restore M1 Macs, ...

-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 ...