Dell WD Series Dock Ethernet Port Intermittently Disconnect When Flow Control is Disabled

Summary: This article provides information about the Ethernet port disconnection seen with Dell WD series dock.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

The Ethernet port on the Dell WD series Dock may intermittently disconnect when using the port to access the Internet on the computer. A yellow bang may also be present in the Device Manager with an unknown USB device.

Affected Docks:

  • Dell Dock WD19
  • Dell Dock - WD19S
  • Dell Performance Dock - WD19DC
  • Dell Performance Dock - WD19DCS

Cause

The Flow Control being disabled in the Realtek USB GbE Family Controller property causes the issue. The default setting is Enable.

Resolution

Enable the Flow Control to prevent overflow under heavy loading.

  1. Right-click This PC on your desktop and select Manage.
  2. Select Device Manager.
  3. Go to the following location in the Device Manager: 
    Network adapters\Realtek USB GbE Family Controller Properties\Advanced\Flow Control
  4. Enable Flow Control.
  5. Restart the computer.

Affected Products

Dell Dock WD19, Dell Performance Dock - WD19DC, Dell Performance Dock – WD19DCS, Dell Dock – WD19S
Article Properties
Article Number: 000132644
Article Type: Solution
Last Modified: 19 Apr 2025
Version:  10
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