which dock ?? 
exact model name of your XPS ??

and is it recognizing other USB device in the same  dock such as mouse /Keyboard

Thanks

Its a Dell XPS 9370

And a Dell WD 19

Yes other Bluetooth mice and keyboards work fine 

Thanks

Its a Dell XPS 9370

And a Dell WD 19

Yes other Bluetooth mice and keyboards work fine 

The device should be plug and play and shouldn't require any drivers. 

Try plugging in the device directly to computer using USB C to USB A or another laptop. 

Try these apps from Logitech

https://support.logi.com/hc/en-au/articles/360024849133--Downloads-HD-Pro-Webcam-C920