Apple's Diagnostics utility is great at testing for hardware trouble. However, what do the cryptic codes mean when a piece of hardware has failed the scan? Follow the guide below to figure it out.

Gadget blog Tested explains how to stress test your computer's most important hardware—and likely pain points in a buggy system—in order to diagnose and fix hardware problems that can commonly ...

If you're not stress testing your new (or newly overclocked) PC hardware, danger may be lurking in its depths. Here's how to push your PC to its limits to ensure its stability.

Troubleshoot PSU Your power supply provides power to your motherboard, which in turn, powers all your hardware. Without enough power, some hardware may fail, and your computer won't start.

Computer hardware refers to the physical components that make up a computer system. Many different kinds of hardware can be installed inside, and connected to the outside, of a computer.

From every kind of memory to A/V input/outputs, processors, and hard drives, this Infographic guide shows in easy-to-recognize pictorial form the possible guts in your computer.