After downloading the newest image from the official Raspberry Pi website, I formatted the SD-card (8gb) and I put the new image on the SD with Etcher. After reinstalling the image I had **no WiFi** anymore, the RPI couldn't even find a wireless interface. Now, I can only connect to my RPI with an ethernet cable.

I have already tried numerous things. 
**I have tried:**

 - updating/upgrading the OS.
 - configuring the network settings via /etc/wpa_supplicant/wpa_supplicant.conf
 - adding an external WiFi adapter from the company Edimax.
 - editing the interface configurations via /etc/network/intefaces
 - rebooting.
 - reinstalling the OS again.

side note: Etcher gave me a weird Error after formatting my SD. Something about SSH and permissions.

**Some pictures of my current situation:**
[![enter image description here][1]][1]
[![enter image description here][2]][2]
[![enter image description here][3]][3]
[![enter image description here][4]][4]
[![enter image description here][5]][5]




 


[![enter image description here][6]][6]


  [1]: https://i.sstatic.net/bQFfS.png
  [2]: https://i.sstatic.net/wrZFQ.png
  [3]: https://i.sstatic.net/76XvT.png
  [4]: https://i.sstatic.net/SYyWF.png
  [5]: https://i.sstatic.net/D6es8.png
  [6]: https://i.sstatic.net/7ZVHj.png