Maybe your computer freezes in both normal mode and Safe Mode. This may be a problem with your computer's hardware – your hard drive, an overheating CPU, bad memory, or a failing power supply.

Most computer problems are easily traced to either hardware or software errors. However, it isn't always obvious why your computer won't work, and establishing where the problem lies can often be ...

If you plug the computer back in and still have no luck, it's time to start troubleshooting the different stages of the journey between the wall and the computer: Start with the surge protector.

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 hardware is more your problem, this series of (non-comic) interactive charts can help you troubleshoot some common hardware problems.

Windows 11/10 offers driver support for a multitude of devices. Learn how to troubleshoot & fix Device Driver Problems in Windows PC.

If you see Hardware problems were detected error when you run the Windows Memory Diagnostics Tool, here's what you need to do ASAP.

A sudden drop in your computer's performance could be due to various hardware problems. An ageing hard drive, insufficient RAM, or a malfunctioning CPU can all result in sluggish operation.

Below are five common computer problems that you can usually solve yourself. Computers have a lot of moving parts, and you may eventually decide to call in reinforcements.