Do you have a business or are in charge of a business’ tech security? Get some tips from PC Authority’s experts.

Want to perform an extreme makeover of your system's motherboard, processor, memory or hard disk? We'll show you how.

GPS units are now mainstream, and the prices have never been better - the Tomtom One in particular is an incredible bargain, and it's been on our A-list for a full two years. Around Christmas time, it's relatively easy to find deals that include pouches, external antenna, screen protectors and other accessories: shop around before buying.

We've searched every corner of the web for the most useful (and useless) sites you've never seen. Download free movies and music, find the cheapest shopping sites, get a degree, make money, walk on Mars and much more.

Your wireless network is more powerful than you imagine. Use this guide to fully understand and utilise it.

Certified ColdFusion Developer

Apple’s ads may be funny, but they’re woefully inaccurate. Here we reveal dozens of reasons why the PC outclasses the Mac.

Here's a handful of the best laptop bags around - perfect for protecting your pride and joy while you're out and about. In addition to the essential protection, these bags also come with oodles of style.

Since the release of the Eee PC 701, the 'Notebook' has dominated. Easy to use, cheap and able to be left on the coffee table next to the remote, Notebooks are true appliance computing. The choice of which one to buy comes down to personal preference, but it's hard not to prefer those with the best usability. Our rundown of your options covers their performance, battery life, and design.

Once you've tasted the freedom of surfing the Internet on your smartphones, it's hard to go back. Fortunately, a number of mobile phone providers offer great deals on smartphones with included data. We've assessed their ease of use, features and handset design.

If there's someone in your life without a digital camera, there's never been a better time to get them started. Compact cameras now offer 8-12 megapixels for under $500, and provide large LCDs for easy viewfinding and shot setup as well as automatic face recognition, multiple focal points and more!

Blu-ray writers are more affordable than ever. We look at four internal models to find the best way to go high-def. The last time we did a round-up of optical drives, the former war was in full swing. But now Blu-ray has at last seen off HD DVD and taken its place as the industry standard for high-capacity optical media.

Whether you're after something small, portable and cheap - such as the Creative Zen Mozaic - or something more fully featured, we've got the latest and greatest in portable music on test. The benchmark they all try to meet is the iPod Classic, which at $300 for 80GB of storage and 45 hours of audio battery life is still the clear leader.

Some items just don't fit any other category, but their looks, features or quirkness scream 'Christmas Gift Idea'. From everyone's favourite AI dinosaur, Pleo, to the groundbreaking Tivo PVR, we think we've got a little something for everyone.

The P45 chipset takes the stability of the P35 chipset and introduces support for PCI Express 2.0 - the latest standard for graphic cards. If you were waiting for the best choice of upgrade for an existing LGA775 system, or want a board for a budget system, this is definitely the chipset of choice. It's great time to bag an upgrade. What better gift for the DIY geek in your household?

A full guide to buying laptops, from budget machines to ultraportables and netbooks, plus everything you need to know about digital TV hardware, Freeview and more, is in the new issue of PC Authority.

Wondering how to make the most of the digital entertainment revolution? Here's our guide to the best digital media technologies for your home

Four years ago, I saw a picture of a very beautiful desktop interface, called 'Enlightenment', running on an Operating System called 'Linux'. I didn't know much about either, but I downloaded and installed Linux anyway in order to run that fine looking user interface. Thanks to that early interest, I now enjoy a wonderful job designing and maintaining networks in which Linux often fills an important role. There's no better way to learn something new than for it to be enjoyable. With this in mind, I'd like to present Mike's Hopefully nifty guide to having fun with Linux.

Not everybody likes wine but that is no impediment to the intrepid net surfer who, with the help of a good search engine and a little bit of imagination, will be able to find just about any tipple the

The Internet is booming again, but this time it’s very different. PC Authority brings you up to speed with the global Web 2.0 phenomenon.