Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

If you run into any issues with your new MagSafe Battery Pack, you may need to provide Apple Support with its serial number. There are a couple of quick and easy ways to find that. We’ll show you how.

Most electronics come with a bevy of numbers etched into their frames, stamped on their undersides, and emblazoned onto their boxes. But why? Well, the short answer is that they're needed for model ...