<<Method 1>>
Runing the scripts accomplish all operations including building up modules
from the source code, installing driver to the kernel and starting up the nic.
	1. Build up the drivers from the source code
	  make

	2. Install the driver to the kernel
          make install
          reboot

	3. bring up wlan if nic is not brought up by GUI, such as NetworkManager
	  ifconfig wlan0 up
	  Note: use ifconfig to check whether wlan0 is brought up and use iwconfig to check your wlan interface name,
                since it may change wlan0 to wlan1,etc.