Computers are easier to use and more dependable with each new generation of hardware and operating system update, but that doesn't mean they're problem-free. Here's a look at the five most popular ...

The HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that provides diagnostic tests to see if your PC hardware is working properly, by isolating hardware failures. After ...

Most people don’t actually know what’s inside their PC—this lightweight tool quietly shows everything that matters.

Use built-in Windows tools like the Troubleshooter to fix common problems on your computer. You can check your memory with the Windows Memory Diagnostic tool to solve lagging issues. Tools like ...

Diagnostic apps aren’t the most exciting programs on your computer, but they’re important to keep in your PC toolkit. Whether you need to diagnose a slow PC, want to make sure you’re getting the full ...

Computers have (happily) advanced to the point where we spend more time getting work done on them than we do fixing them, you still occasionally need a solid diagnostic tool. What tools do you use to ...

Fix It Solution Center adds tools for testing the security and performance of Windows, Internet Explorer, Office apps, Windows Media Player--even Xbox and Zune. Dennis O'Reilly began writing about ...

The Reliability Monitor shows system errors, warnings, and informational and critical events that can help you troubleshoot your Windows PC.

If you encounter The amount of system memory has changed error when you turn on your Dell or Alienware system, this article ...

The world's leading hardware diagnostic and system information tool just got better with the addition of Chrome OS support PC-Doctor, Inc., the global leader in PC, Android and Mac system health, ...

Is your PC healthy? Don’t be too sure. Think back to when you heard a kerklunk sound coming from the hard drive. Or maybe you remember the last time your Internet connection was down (and I don’t mean ...