A noisy PC can drive you to distraction. Use our guide to discover the main causes of unwanted computer noise and build yourself the ultimate quiet PC!

How does a speaker work?

CNET explains the jargon behind the conventional loudspeaker, with a quick guide on the anatomy of this important home theatre component.

How to setup your home theatre speakers

You don't have to be an electrician or an acoustics expert to get great surround sound from your home theatre system. Just follow the steps in this tutorial to setup your home theatre speakers for optimum sound.

Lost mobile phones: a survival guide

Odds are you use your mobile all the time - but what should you do if it's lost or stolen? David Braue catches up with some new solutions to an ongoing problem.

Mobile phone buying guide

Buying a mobile phone is more than a matter of picking the most feature-rich or slickest-looking device -- your usage and lifestyle are going to help you decide which is the the right plan and handset for you.

Extend your mobile phone's battery life

There's little in life more frustrating than having your mobile phone run out of battery when you've left your charger at home. Follow these simple tips to extend your phone's battery life and avoid being caught short.

Tips and tricks for using your BlackBerry

The BlackBerry is an extremely powerful productivity tool, and while it's very much a "pick up and play" device, knowing the various operating system quirks and shortcuts can be very handy.

DIY: Vinyl resurrection - Turn LPs and tapes into digital media files

Follow our guide to digitising your dusty records and cassettes, and you can put your old turntable on eBay.

Photo printing: When inks ain't inks

The most important part of the whole printing system is really the inks, not the hardware.

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HD Olympics: A look behind the scenes

We take a tour through the International Broadcast Centre at the Beijing 2008 Olympic Games, plus see some of the technology employed at the Olympic venues.
Samsung U900: Hands on

After waiting six months since we first saw the U900 at the World Mobile Congress, we've finally had our chance to get our grubby mitts all over its adaptive touch window.
Samsung mid-year roadshow

Even with CommunicAsia 2008 just days away, Samsung has made time this week to show off some of the best of its upcoming mobile handset line-up.
Samsung i900 sneak peek

Samsung has been hinting at a hot new release and our friends at CNET Asia managed to get a bit of face-time with this sexy new model.
Nikon P80 photo samples

Photo samples plus a discussion of the photo quality of the Nikon Coolpix P80.