Power over VGA?

Jan 31, 2019
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So, first time posting. Hope it's not already answered elsewhere.

I was setting up a computer at the club I run at school and saw the weirdest thing. The monitor was powered and seemed to be powering the mobo and CPU fan via VGA?! Check out the video. For clarity the only thing plugged in is the VGA and it's not just capacitance.

Any ideas? Thanks in advance

https://youtu.be/UZQZTxHCvYg
 

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