So, I doubt that's the culprit. My PC is connected to my monitor via DisplayPort. Don't know if there's some sort of compatibility issue there or not. I tend to think (but am not sure) that my computer will not POST under certain weather conditions. I'm in Southern California, ...
At heart, SATA, USB, HDMI, DisplayPort, thunderbolt, USB-C, are all using edge connections - some carrying high currents in quite a small form factor - I can't see why a latching edge connector couldn't be used to connect to the PCB of the graphics card... hell, even something sim...