Hey again and thanks for answering, but I managed to solve the problem by my own :)

The issue was that the cable between the network card and the motherboard was not properly attached. I found...

Hi :092:

I'm having difficulties with my built-in bluetooth adapter ever since I upgraded to Windows 10.
My motherboard is a Gigabyte Z87X-OC Force.

The problem is that it does not show up on...