Which monitor port to use?: PC Talk Forum

This should work like the UPD2018 but will use an existing USB port instead of a PCIe slot Maybe the adapter can use an external power

In general, the port priority is as follows: DVI; HDMI; Display Port ; DisplayPort ; DisplayPort GTX 900 Series

display port slot Besides the onboard LAN port, users may also choose wireless connections by slot Port

display slot Are you plugging in the DP adapter into one of the supported ports? Power in slot 1, Ethernet in slot 4, HDMI or DP in slot 5 Redsmeg68