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EEVblog #1107 - Shocking 4K BENQ Monitor Problem!

EEVblog · 97.1K views · 2018-07-20 · 9:57

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Overview

Dave Jones of EEVblog investigates why a 4K BenQ monitor switches itself off, tracing it to static discharge from an office chair. He uses an oscilloscope to examine the static impulses.

On Hacker News

Linked whenever someone reports a monitor blacking out from static electricity, as prior art on the same problem.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2019–2026

Topics

Electronics & circuit designRepair, teardowns & right to repair
Search by tags
eevblogstatic electricitymonitor troubleshootingoscilloscopeesd

What people said

deckar01 · 2026-04 · Reference

It looks like the youtube embed is broken. It is supposed to link to a EEV blog video. It is wild how many times someone brings me broken equipment and it turns out EEV blog has already investigated the same issue for the same device. [VIDEO]

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grumbel · 2023-04 · Reference

There is an old EEVblog[1] video on the topic. Mine doesn't do it from chairs, but it regularly blacks out if I turn on the nearby LED strip. [1] [VIDEO]

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dazzawazza · 2019-01 · Reference

I posted this to reddit but I'm more likely to get a reasonable discussion on here. [VIDEO] Dave covers "static" turning off a monitor in this video. Could it be this?

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Sources

Video by EEVblog, played through YouTube.

Data and selection notes

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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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