Currently the drives are in spanned RAID mode, from what I can gather from the Command+R > Disk Utility read out. It says that it's got a 1.5TB hard disk, when there are 3x 500GB drives physically ...
Formatting a hard drive along with the install of a new OS is the best option. The vast majority of operating system installations provide a "format" option as part of the installation process.
Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...
OS X 10.5.8, it says so in the page that you linked to (*) This means that you can try to obtain a 10.5 install disk (eBay, Craiglist, etc. Apple doesn't sell it anymore) and download the updates to ...
Partitioning your hard drive makes managing the operating system, files, and file formats of each partition easier. For example, you can install Windows 11/10 on one partition and store movies or ...