How to get wifi work on your Raspberry Pi Raspbian Wheezy Linux distribution.

You have to edit your interfaces file:

/etc/network/interfaces

This kind of interfaces file works for me:

auto lo iface lo inet loopback iface eth0 inet dhcp allow-hotplug wlan0 auto wlan0 iface wlan0 inet dhcp wpa-ssid "Change your network name here" wpa-psk "Change […]