Q: I got the Apple TV and cant get it to search wifi networks, even entering the name in "other", it wont take it. I have already consulted  "Cannot see your wireless network in the list on Apple TV" in apple support, and havent been successful. Whats wrong?

Hi! This seems to bee a common problem (i. e. https://discussions.apple.com/thread/4094417?tstart=0) and i have it as well. As usual you can't get help here but a lot of inspiration

I recommend to upgrade the firmware using a LAN-connection and try it again. If it's stable keep it that way, if not return it to the store and get a new one.

Before of course make sure there is none of the following settings in your router:

- MAC Adress based filtering allowing only specific clients to connect (unlikely)

- no hidden SSID (wifi's name) (unlikely)

- DHCP turned on. If not, your ATV has to have a fixed IP Adress (unlikely)

- Password and Encryption mechanism is correct

It's 90% the devices fault in my opinion.