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.

Where's the #@$%? Device Manager in Windows Vista? Steve Polak exlains how to find all the system settings you know from Windows XP, in the sometimes confusing Vista interface.

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.

Our full guide to saving cash-saving secrets is here, from how to get discounts on PCs, to SIM only phone contracts, the best DSLR cameras deals, and discount licensing from Adobe, Microsoft and others.

Still unsure about what GPS is best? Our buyer's guide compares each TomTom model on the market, including TomTom's newest GPS models.

What's the best Blu-Ray player on the market? Our quick shopping guide to features to look for, compatiblity issues, connectivity, and our top pick.

The best plans, the hidden costs, and is it really the best broadband deal on the market?

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

Is your PC the stable, error-free platform you need? We didn't think so. Leigh Dyer, David Kidd and Ty Pendlebury present the essential guide to fixing your PC.

Stack your system full of software without paying a penny, with our guide to essential downloads

Thought Core 2 was the only choice? Think again... AMD's far from dead.

We've traversed the acronym laden landscape of VoIP for you, and present you with the PC Authority guide to VoIP: what it is, what kinds of services you can find, what savings you can expect to make and how it is that you can go about setting up VoIP for yourself at home.

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

Dan Chiappini delves into multimedia jargon in our monthly tech term glossary.

Everything you need to know about maxing-out your broadband connection, including interleaving, fine tuning MTU settings, firmware updates, ADSL filters and splitters,and that old chestnut - electrical noise in your wiring

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.