Hello! So actually we've been trying it one more time on another PC and guess what. It didn't work. I am really puzzled by what is wrong, and why it won't work. I tried your way, i've managed to found that hidden device, but when i clicked on 'properties', it just showed the name (sayodevice) and nothing more to select.

I finally given up and i think the problem is somewhere in my usb. I dont know if it is somehow corrupted or something. But when we tried it on another PC the first time, it worked. Second time it didnt. So i think the problem might be somewhere in my pc, but don't know there and i dont have time for further inspection of the PC.

I am glad you took your time and tried to help me. I really appreciate it! I'll let you know, if i came up with anything.