If you see a prohibitory symbol at a startup disk, installed an older version of the OS X inadvertently or if you have erased the startup disk, you might consider reinstalling OS X on your Mac. Even ...

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 ...

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 ...

If you plan to sell your Mac for some reason you might want to restore it to the out-of-box state. For this, you could consider reinstalling macOS on it, which would clean up your data or Apple ID ...

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 ...

It sounds like you might need to create an installation CD somehow. I don't know how you would do that on the PC.

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 ...

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 ...