Boffins from Arizona State University have demonstrated a microrefrigerator which effectively cools a PC system by targeting specific chip hot spots.

CPU

If your PC is less of a speed demon and more of a dinosaur then it's time to upgrade your CPU. We put the latest low, mid and high end processors to the test.

To kick-start the series we're going to begin, as it were, at the top – with the fine art of motherboard and CPU installation. Whether you're building your machine anew, or upgrading your current one with more powerful components, the following guide will help make installing these two key components a breeze.

There may be two main CPU manufacturers, but picking the right processor is anything but simple. We put 51 CPUs through their paces

An old PC is like putty in your hands. Tim Dean looks at how you can shape it into a new system with a few easy upgrades.

From budget laptops to ultra-tiny netbooks, ultraportables and high performance, we explain the tricks to finding out the ultimate laptop at the right price.

Will AMD blow its lead again in graphics? An analysis of the current state of play in the race for processor and graphics superiority

All the acronyms and obscure new technologies got you in a jargon jumble? Tim Dean busts it up to help us make sense of it all.

Intel has promised that Hyper-Threading (HT) will deliver increased efficiency and decrease the amount of time taken to accomplish multiple processes. But is it really all that it’s cracked up to be?

Squeeze that extra bit of power out of your existing hardware. Tim Dean looks at the principles of overclocking and examines the potential performance increase.

Choosing a CPU for your PC isn’t an easy task. Here are our picks for budget, mid-range and high-end systems.

We've put AMD and Intel’s new processors to the test, and there's one clear winner.

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

What happens when multiple-core processors are no longer sufficient for our demands? Stuart Andrews looks at the future of CPUs.

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Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package

Impressive and free antivirus and antispyware package