this post was submitted on 11 Mar 2025
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I go to investigate, and they had managed to plug the HDMI cable of one monitor into the other monitor.

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[–] [email protected] 30 points 1 month ago (4 children)

To be generous, maybe they're familiar with DisplayPort daisy-chaining, which is a thing.

[–] [email protected] 8 points 1 month ago* (last edited 1 month ago)

Interesting. Never heard of that. It'd just be a guess, but I'm doubting this was a person familiar with that. Just a humorous oopsy.

[–] [email protected] 8 points 1 month ago (1 children)

You just blew my mind. I didn’t know it’s even possible.

[–] [email protected] 3 points 1 month ago (1 children)

Displayport is pretty versatile. You can get an active DP hub and split DP into more independent screens if your GPU will support the total resolution.

[–] [email protected] 1 points 1 month ago

And you can use it over TB/USB-C.

[–] [email protected] 7 points 1 month ago

You are a saint with that kind of compassionate thinking - well done!

[–] [email protected] 5 points 1 month ago
[–] [email protected] 17 points 1 month ago (2 children)

Never been a sysadmin, but used to sell electronics. People really have absolutely no idea how any of it works, including pretty straight forward stuff, like displays. Had to explain to a shockingly large number of people that there was no such thing as an ethernet to HDMI adapter and that even if there was, plugging ethernet into their non-smart TV's HDMI port wouldn't let them watch Netflix on it.

[–] [email protected] 14 points 1 month ago (1 children)

HD Base-T does exist but I know what you mean.

[–] [email protected] 8 points 1 month ago (1 children)

Yes, HDMI over cat5e is definitely a thing. As is Ethernet over HDMI, but as far as I know literally no retailer sells those.

[–] [email protected] 3 points 1 month ago (1 children)

I bought HDMI cables that support ethernet years ago from Amazon’s store brand.

[–] [email protected] 4 points 1 month ago (1 children)

And were you able to use that functionality?

[–] [email protected] 3 points 1 month ago (1 children)

None of my devices support it.

[–] [email protected] 3 points 1 month ago (1 children)

Right. Because as far as I know, no retailer sells that equipment.

[–] [email protected] 1 points 1 month ago

It would de really convenient to network all the devices connected to my A/V receiver.

[–] [email protected] 3 points 1 month ago

HDMI with included Ethernet is a thing.

[–] [email protected] 11 points 1 month ago

"No, they're working exactly as intended."

close ticket

[–] [email protected] 6 points 1 month ago (2 children)

I once had a person refuse to troubleshoot a monitor issue over the phone. 2.5 hours away. Swore to me that they hadn't messed with the monitor cables since it last worked. They had both ends of the HDMI plugged into the same monitor.

[–] [email protected] 3 points 1 month ago

That does sound like a good prank to pull on a co-worker.

[–] [email protected] 1 points 1 month ago

"that will be a $3,000 emergency support call. Will that be cash or check?"