Wireless network not working following fresh install

Hi I did a fresh install of FreeBSD 10 RELEASE of the DVD recently. I installed onto a laptop with an Atheros network wireless adapter. During the install I selected the option for the wireless network card to be configured. The installer scanned all available wireless networks and I selected my access point and entered the WPA password. Unfortunately when I reboot wlan0 does not connect me to the network correctly.
Code:
ifconfig
shows "no carrier". If I do a scan the card will scan and show up all available networks but it does not work for some reason.

I have looked at the wpa_supplicant.conf and see that my password is saved and dhcp is enabled. I do not understand why the network is not working "out the box" I never had any problems with FreeBSD 9.2 RELEASE in getting this wireless network card working. Does anyone have any ideas?

My second problem is that to fix this I think certain configuration files are going to need editing. I am not a vi user. I can use emacs, pico or any other editor but following the install non of these editors are available. Am I able to install emacs from the DVD (I only burned DVD 1).?
 
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