New GPU No signal on one DisplayPort Bad port or am I missing

What Sets DisplayPort Apart From HDMI? display port slot Mini DisplayPort to HDMI V2 On Apple Computers the Mini Display Port connector was also known as the Thunderbolt 2 port display slot Computer display connector tutorial, detailing VGA, DVI, HDMI, DisplayPort, USB-C alt modes

display port 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