Laptops quietly monitor their own health, but most people never tap into the tools that can warn of trouble long before a crash or data loss. Built-in hardware diagnostics sit below the operating ...

Discover the built-in hardware tests that can extend the life of your laptop and save you from expensive repairs.

On numerous occasions we've extolled the virtues of Apple's Hardware Test disc as a first step in investigating potential hardware issues that result in problems with startup, repeated kernel panics, ...

How can you tell if your software is doing what it’s supposed to? Write some tests and run them every time you change anything. But what if you’re making hardware? [deqing] has your back with the ...