"generic pnp monitor" issue on Dell d3100 dock display port
 

I have 3 Dell s2340l monitors plugged in my Dell 3100 DisplayLink docking station. As the docking station comes with 1 display port + 2 hdmi ports, two of the monitors are connected via hdmi while the third one is connected via a display port to hdmi cable (Dell s2340l monitors are not equipped with a display port). Whichever monitor is connected to whichever hdmi port on the dock works fine. Whichever monitor is connected to the display port is not properly detected however and shows as "generic pnp monitor" in the device manager with resolution stuck at 640x480. Amongst other things, I've tried to install the latest displaylink driver with no success. I'm running windows 10 Home, version 21H2, build 19044.1682. Any help appreciated, taxing issue!

Thanks,

Joe.