I went to the store and had the monitor replaced by a new one and now everything works as it should. So it was the monitor after all. Thanks to all for helping me and especially [NAME] for helping me understand it all a bit better!
Hi, I recently bought an LG 32un880-b monitor. When I connect my dell laptop to it with the provided usb-c cable the laptop charges but it cannot find the monitor.I tried all the ports of my laptop and the cable is usb-c to usb-c without any hubs in between and also while charging the laptop with the power adapter.It also gives a pop-up saying: "Display connection migth be limited, make sure the DisplayPort device you're connecting to is supported by your PC" I have all drivers and Windows 10 up to date.It has the Intel UHD Graphics processor. I tried using the detect screen function of Windows and of Intel Graphics Command Center but they cannot detect anything. My laptop has  The monitor has I'm running out of ideas to try and I have no idea why it is not working. Also, I have a HP laptop with a similar Thunderbolt 3 (Type-C) ports with Power Delivery and this one works with the same monitor and cable, so I think the problem is my dell laptop. Thanks for helping!
XPS 13 7930 external monitor not connecting