We’ve all experienced that magic moment when, after countless frustrating hours of experimentation and racking your brain, the object of our attention starts working. The 3D printer finally produces ...

Systematic methodology is the key to quickly and effectively troubleshooting control circuits. Even the most experienced troubleshooter must rely on a systematic troubleshooting process to solve ...

The definitive bestselling guide for refinery operations and maintenance, Troubleshooting Process Operations, 4th Edition, delivers unparalleled information to engineers and technicians. Drawing on ...

Microsoft offers numerous useful tools that can help users and admins diagnose problems in Windows 10 and 11. Here’s how to use them for best results. As people use Windows 10 or 11 in their daily ...

Even though Microsoft 365 is normally stable and reliable, problems can still occur. Sometimes a simple fix is all that's needed. But there have been times when I've wasted a perfectly good afternoon ...

The digital voltmeter is the best basic tool for electrical troubleshooting, because it's calibrated and exact. But remember, the digital voltmeter can't detect a high-resistance fault if the circuit ...

I have a friend who is working on a new hardware deployment for a large bank. He ran into a couple hiccups and called me for my opinion. After reviewing his configuration and not seeing any obvious ...

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...

A computer that refuses to start is one of the most frustrating technical problems, whether it's a desktop PC or a laptop. This issue can arise from simple power interruptions, loose connections, or ...

[This article was originally published in September 2015. It has been extensively revised and updated since then. The most recent revision was August 29, 2016.] In June 2016, a month before the free ...

Microsoft will remove the MSDT (Microsoft Support Diagnostic Tool) by 2025. This is because of the vulnerabilities found in MSDT in the past few years. Now, Microsoft has decided to retire MSDT-based ...