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Similarly, if you have one of those office chairs with a pneumatic shock, dropping down hard on the chair may induce an electromagnetic or ESD pulse that shocks the monitor.

There’s a video on YouTube about this somewhere and we were able to confirm their findings.



Oh my god, so THAT'S WHY sometimes when I get up from the chair in my office, the screen flashes black for a brief moment?!


Yup! I don't know what the exact mechanism is, but google "monitor flashes when I sit on my chair" and you'll find tons of hits.


I have a Samsung Odyssey G9 monitor and it’s so sensitive to EMFs, it’ll blink off for a moment when I take my jumper off.


Most likely it's the cable(s) and not the monitor. Another commenter posted: https://support.displaylink.com/knowledgebase/articles/73861... Try a higher quality cable or a clip-on ferrite ring.


Funny enough in my original comment above, I also was using a G9. This checks out




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