-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 ...

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 ...

New Mac computers are causing problems for some users who tried to reinstall OS X or restore their computers from a back up. The problem stems from a permissions issue that occurs when the Mountain ...

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 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 ...

According to reports on Apple's Support Discussions forums, an upgraded graphics card could cause kernel panics when attempting to reinstall Mac OS X Leopard from the original, included restore disk.