Hi Marcel, check if all the updates are up-to-date through Windows Update https://support.microsoft.com/en-us/help/402766...
Then try checking available drivers from Show hidden devices:
Click on Windows key+X buttons on your keyboard
Go to Device manager and expand it
Select Network adapter and click on the driver
Find the View tab and press Show hidden devices
Right click on the drivers shown in the list and click on Update driver
Find Search automatically for updated driver software and follow the instructions. A new driver will be downloaded and installed automatically
Restart your PC
You might want to refer to the support article on updating drivers in Windows 10 https://support.microsoft.com/en-us/help/402844...