Deactivate the dhcpcd service if you want to use NetworkManager.
See the wiki for more informations 
https://github.com/voidlinux/documentation/wiki/Network-Configuration#desktop-network-daemons-networkmanager-wicd-and-connman

Am Sonntag, 18. Oktober 2015 21:40:06 UTC+2 schrieb Muddmaker:
>
> Hello.
>
> I recently got Gnome 3.18 up and running, and I cannot connect to Wifi.
>
> It will *discover* networks, I will try to connect to it, put in my 
> password, and it will try connecting for a while until it re prompts me for 
> the password, which it will do indefinitely.
>
> I know that this is the correct password, and other devices do not have 
> trouble connecting.
>
> I have gdm, dchpcd, NetworkManager, and avahi-daemon added as services.
>
> I can connect over a wired connection just fine, and I am on a Lenovo X200 
> Tablet.
>