I have a Sierra Wireless Mercury Air Card that I purchased through AT&T. I just rebuilt my laptop and installed the AT&T Communication Manager so that I could make use of the air card. Since installing the communication manager, my internal wireless card is disabled and I am unable to enable it. When I go to Network Connections and try to enable the internal wireless card, the enable option is greyed out. The wireless indication light on my laptop is also no longer lit up. I have made sure that the program is not starting up at windows startup and running in the background. Can anyone help me with this?