If your computer has slowed to a crawl, or stops working entirely, here's how to see if it's an easy fix or something that needs more attention.

Holding down the shift key while turning a Mac on will boot it into Safe Mode. Here's how to start a Mac in Safe Mode and use it to diagnose issues.

Microsoft will no longer be offering free security updates for Windows 10. If you're not ready to upgrade to Windows 11, here ...

The spring change to daylight saving time can be a little rougher as darker mornings and lighter evenings make it harder to fall asleep on time. Those first few days have been linked to increases in ...

ZDNET's key takeaways The Black Screen of Death is incredibly annoying, but often easily diagnosed.The most common culprits are outdated software or faulty drivers. With a few quick fixes and basic ...

Whether it's a self-built gaming machine or a fresh-from-the-store office PC, the right BIOS/UEFI settings can make a world ...

If your internet keeps lagging, buffering or dropping out, one of the quickest fixes is restarting your router. Restarting your router is one of the quickest ways to restore Wi-Fi speed and stability ...

Learn how the end of daylight saving time affects sleep, health, and circadian rhythms, with tips to adjust and reset your ...

It's a good idea to change your Twitter password periodically to protect your account's security. Here's how to do it on desktop and mobile.

What is Event ID 4199? When this error occurs, your computer detects that another device on the network is using the IP address it wants to use. To prevent conflicts ...

Not being able to turn off Send optional diagnostic data settings undermines our privacy and control and can be really frustrating. This issue often occurs when system policies, background services, ...