Can't connect to network on OSX

[Jimmy1983]

Iam trying to connect to a mates sky network on my mac and I can see loads of other networks but can't connect to this one I can't even see it in available networks.

I can connect to mum, dads and loads of other mates networks but not this one. Tried manually connecting and that doesn't work either, anyone know why?

 

[Jimmy1983]

Nope, can clearly see the SSID on my iPhone :s

 

[Jimmy1983]

Yeah tried rebooting the router a few times. Yeah entered the SSID in manually. I didnt want to start playing around with assigning IP's tbh.