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February 21st, 2022 18:00

S2722DC, USB to Ethernet adapter not working

I recently purchased my Dell S2722DC monitor and have it connected via the USB-C port to the USB-C port on my Lenovo laptop and the monitor works great. I want to use one of the SuperSpeed USB 5 Gbps (USB 3.2Gen 1) Type-A
downstream ports on the monitor for an ethernet 3.0 adapter. With the ethernet adapter plugged in to the monitor, I can't see the ethernet adapter in the device manager and can't get it work. If I plug the adapter directly into the laptop it works fine. Should I be able to get an ethernet adapter to work when plugged into the monitor?

Thanks in advance for your input.

Community Manager

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February 22nd, 2022 04:00

Plug a wired USB mouse into the S2722DC #7 and #9 USB Type-A downstream ports. Does the wired USB mouse work in both?

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February 22nd, 2022 07:00

I had to dig to find a wired USB mouse but finally found one.  The mouse works when plugged into each of the two USB type-A ports so they are functional. Out of curiosity, what is the technical reason those two ports can't support an ethernet adapter? I think of a USB port as generic that should support any adapter.

(edited)

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January 18th, 2023 15:00

I'll love to get update on this as well. I'm disappointed that we can't use usb ethernet adaptor on monitor, which will make it a one wire setup with my dell 5511

January 18th, 2023 19:00

I never did get any more of an explanation other than "it won't work".  Maybe someone else can chime in on how to make this work.

Regards.

Windskipper

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May 7th, 2024 10:15

I had the same problem with an S2722QC monitor and a TP_link UE300 Ethernet adapter. The interesting thing was that when I connected a wireless USB adapter (TPLink too) it worked fine, so I concluded that there is some kind of blacklist/whitelist of devices on the monitor's USB hub.
How did I solve it? bought a Dell USB3-ethernet adapter  :). It works as expected and I now have my setup using a single USBC cable to keep everything connected. I hope this helps :). Greetings!

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