* Click my name and private message me the XPS 13 and D1000 service tag numbers. Or the D1000 Dell order number
* Do you get 5.1 audio when the D1000 is removed and the XPS 13 is connecting directly to the 5.1 sound system?
* Explain in detail how the XPS 13, D1000, and the 5.1 sound system are connecting using all ports and cabling.
* The D1000 User's Guide does not mention 5.1 audio. All it states is, "Combo Audio (Headphone/Mic)", page 3.
* Page 8 states that the DisplayLink Manager Menu has an Audio Setup Menu that; "Opens the Windows Audio Configuration window".