*** WARNING *** Formatting a disk will cause all the file to be erased so be sure to back up your files somewhere else before performing this *** WARNING ***
This is a quick tutorial on how to format your External Hard Drive before using it for the Mac. The hard drive used in this video is an Iomega Prestige 1TB External Hard Drive. This procedure works on most external hard drives. Hope you find this tutorial a bit useful and good luck on using your hard drive with your Mac! =D