Arduino 1.0.1 gizduino atmega168 usb not recognized

I have an gizduinoatmega168 and it is not detecting when i plugged it in my computer but the led is lit?i am running it in a win7 ultimate os,the drivers are already installed.. Can you help me please?

i am running it in a win7 ultimate os,the drivers are already installed..

if drivers are installed port will definite detect

Check in device manager Port section Whether u port highlighted with yellow or properly detected. Share us screen shot of the image device manager.

http://www.e-gizmo.com/KIT/Gizduino.html

Check installation guide here

We have called technical department regarding my problem and they told us that our arduino has a defective IC that should be replaced. Thanks for the response anyway..