Go to the Start menu, click on Run and type "convert C:\windows mac_OS" and wait for 10 minutes and restart. This hidden command will convert your regular Windows PC into a Macintosh with Leopard. You didn't really believe this, did you? For the record, that is just plain impossible. But then, there are several myths floating around about PCs and gadgets that actually seem plausible. Some are just bad practical jokes (like e-mails saying Microsoft or AOL would donate money for every forward sent) while some are distorted facts. Even for a techie, it sometimes becomes difficult to tell fact from fiction -- so here is a collection of some popular misconceptions and our explanations to help clear the air.