If you need to reinstall Mac OS X 10.1, you should back up data and erase the affected hard disk or partition prior to installation.

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 ...

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 ...

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 ...

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

-system -Powermac 5500/225OS 8.0This 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 appear.I am ...