Right, I'm back now like I promised.

Atheros AR5007EG for hardy.

First of all go to "System/Administration/Hardware Drivers" and disable by un-ticking the box.:

Code:
Atheros Hardware Access Layor (Hal)
Then Reboot

Then open the terminal "Applications/Accessories/Terminal" and copy the following:

Code:
wget http://snapshots.madwifi.org/special/madwifi-ng-r2756+ar5007.tar.gz
Code:
sudo apt-get install build-essential
Code:
tar xfz madwifi-ng-r2756+ar5007.tar.gz
Code:
cd madwifi-ng-r2756+ar5007
Code:
make
Code:
sudo make install
Code:
sudo modprobe ath_pci
Code:
sudo reboot
Then thats it Enjoy!