Season 2 · Episode 826
The VESA Nightmare: Fixing Threads in a Sealed PSU
When monitor mount threads fall into a sealed power supply, DIY becomes a rescue mission. Learn how to fix blind holes without opening the case.
My Weird Prompts · Daniel Rosehill
February 24, 202626m 50s
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Show Notes
Imagine trying to mount a high-end monitor only to realize the internal threads on your power supply case have vanished into the unit’s abyss. This episode tackles a high-stakes mechanical challenge: repairing a "blind hole" in a sealed power supply unit (PSU) that cannot be opened due to lethal electrical charges. We break down the engineering behind self-clinching PEM nuts and why they fail under the leverage of modern monitor arms. From the dangers of metal "swarf" shorting out circuits to the structural limitations of soldering, we explore every angle of this hardware headache. Listeners will learn the technical nuances of using rivnuts, the importance of grip ranges, and a clever "grease trick" for safe drilling. Whether you're a PC builder or a DIY enthusiast, this guide to one-sided fastening provides the tools you need to secure your gear without risking a catastrophic short circuit.