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

Résumé: 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.

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Symptômes

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

Résolution

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.

Produits concernés

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