And if you need the exact files:
Press Fn + F3, then check your windows device manager and see if you see and unknown devices, or exclamations marks or question marks or red triangles.
Where do you see what?
What are the network adapter configured there in the device manager?
Then press the Fn + F3 keys again and in the device manager itself click on scan for hardware changes see if anything comes up.
it seems the drivers for the network adapter. the LAN one is installed fine. What you need to do is turn the nettop over and see a sticker there with a broadcom label. What is the model of the written next to the broadcom label.
That is the model of the Wifi adapter in the acer.