Skip to main content
Sign Out

Welcome to Dell

My Account
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.
Sign In Create an Account Premier Sign In Partner Program Sign In
Contact Us

Your Dell.com Baskets

Some article numbers may have changed. If this isn't what you're looking for, try searching all articles. Search articles

Article Number: 000142329

Fix Dell Dock Detection Issue After AC Power Loss: WD15, TB16, TB18DC

Summary: A quick guide to resolving Dell docks WD15, TB16, and TB18DC not detected after AC disconnection. Our expert tips help you reconnect and restore functions in no time.

This article may have been automatically translated. If you have any feedback regarding its quality, please let us know using the form at the bottom of this page.

Article Content

Symptoms

Dell Type-C docks WD15, TB16, and TB18DC are not detected when AC power is disconnected and also reconnected

TB16, Dell Precision Dual USB-C Thunderbolt Dock: TB18DC, and WD15 Type-C docking Stations are designed to operate in AC power only. AC power loss event makes all devices on the docking station fail to function. Even after the AC power is restored, the dock will still not function correctly as the dock must negotiate a power contract with the system Type-C port. This behavior is evident when there is a power loss but also if AC is applied to the Dock, after being removed, whilst it is plugged into the Dell Portable system.

Parts or systems specific to the Issue:

  • Dell Dock WD15
  • Thunderbolt Dock TB16
  • Dell Precision Dual USB-C Thunderbolt Dock: TB18DC

Cause

N/A

Resolution

Unplug the Type-C cable and then plug it in again. Sometimes of power loss you may also need to replug the AC power cable.

The dock is functioning as designed, and the User Guide for the products contains information regarding this behavior.

Article Properties

Affected Product

Dell Dock WD15, Dell Thunderbolt Dock TB16, Dell Precision Dual USB-C Thunderbolt Dock - TB18DC

Last Published Date

03 Apr 2024

Version

6

Article Type

Solution

Back to Top