Symptoms

Network on the computer may not work when connected to a Dell Universal Dock UD22 using its Ethernet port. The Ethernet device of UD22 has a yellow bang in Device Manager. Affected Dock: Dell Universal Dock UD22

Cause

Ethernet port of UD22 works only after DisplayLink driver is installed.

Resolution

Note: Before starting the update, perform the following: Back up all personal data. For more information, refer to Back Up and Recovery.Connect the AC adapter if updates are being run on a laptop.Ensure that power remains connected if updates are being run on a desktop. Updating the DisplayLink Dock Driver to version 11.3.5139.0, A06 or later on the computer resolves the issue. To download and install the driver, refer to the Driver Update Guide.

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