Hi E.Boisen
My name is Andre Da Costa; an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP. I'm here to help you with your problem.
There are some available updates for this system that might resolve this issue.
BIOS Update October 2018
https://downloads.dell.com/FOLDER05277843M/1/E7...
Chipset Driver update March 2019
https://downloads.dell.com/FOLDER03152762M/2/Ch...
Press Windows key + X
Click Device Manager
Expand Network Adapters
Select the Network card listed,
Select Update Driver
This should give you a choice of drivers - select the oldest one
Wait a few minutes while it installs the old driver
or
press Windows key + X
Click Device Manager
Expand Network adapters
Right click your adapter
Click Uninstall
Exit Device Manager, restart. Windows 10 should detect the network adapter then reinstall it. Check if you can connect and browse.