Exchange the D3000
Targus is aware of a hardware issue that has recently been diagnosed with some older D3000 docks. This issue is most easily recognized in the Windows Device Manager where no USB Display Adapters and no dock Giga Ethernet Network adapters are present. It is also when neither of the dock’s display ports or Ethernet ports work at all. The issue is intermittent and temperature dependent over time, showing up mostly at colder temperatures. Manufacturing has produced at ECN for a workaround for all newly manufactured docks but for deployed units that exhibit the misbehavior, please contact Dell for a free exchange.
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