ethernet connection speed

[DG7817]

Has anyone experienced a slow ethernet connection speed when connected to an HP universal hub?

[VikramTheGreat]

Hi @DG7817,

Welcome to the HP Support Community.
 

Thank you for posting your query. I will be glad to help you.

On notebooks connected through a USB‑C “universal” hub/dock, reduced throughput is most often due to USB‑to‑Ethernet driver quirks (Realtek/DisplayLink), power/port negotiation, Energy‑Efficient Ethernet (EEE) interactions with certain switches, or outdated dock firmware.

Quick wins (3–5 minutes)

1. Bypass test (controls)
   • Plug the same Ethernet cable directly into the notebook’s built‑in RJ‑45 (if your model has one) or into a simple USB‑C → RJ45 dongle.
   • Compare speed (use a local file copy or a trusted speed test).
   • If the speed is normal without the hub, the hub/dock path is the bottleneck.
      
2. Use the notebook’s full‑bandwidth USB‑C port
   • Ensure the hub is on a USB‑C port that supports USB 3.2 Gen1/Gen2 with data + power + video (some left/right ports are not equal).
   • Avoid daisy‑chaining through monitors; connect the hub directly to the notebook.
      
3. Swap the Ethernet cable & port
   • Use a known‑good Cat5e/Cat6 patch cable and another switch/router port.
   • A marginal cable often “auto‑negotiates” down silently; an easy eliminate‑and‑replace step.

Windows settings that commonly fix it

Open Device Manager → Network adapters → (your USB GbE adapter) → Properties.

1. Power Management
   • Uncheck “Allow the computer to turn off this device to save power.”
      
2. Advanced tab (adapter features)
   Tweak one at a time; test each change.
   • Energy Efficient Ethernet (EEE) → Disabled
   • Green Ethernet (if present) → Disabled
   • Jumbo Frames → Disabled for now (use Default/1500)
   • Speed & Duplex → leave Auto‑Negotiation; if the link flaps or caps at 100, try 1.0 Gbps Full Duplex
   • Large Send Offload / Checksum Offload → keep Enabled (disable only for testing if you suspect offload bugs)
      
3. Windows power plan
   • Control Panel → Power Options → Change plan settings → Change advanced power settings
   • Under USB settings, set USB selective suspend → Disabled (test).

I hope this helps.

Take care and have an amazing day!
 

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Regards,

VikramTheGreat