I have a Toshiba Satellite Laptop runing Windows 7. I bought this computer a year ago, and have never used my wireless card. I'm trying to enable it, and when I go to Windows Mobility Center, the "Turn Wireless On" command is greyed out. Under Device Manager, it indicates that my wireless card, a Realtek RTL819SE Wireless LAN 802.11n PCI-E NIC, is working properly. I went to the driver tab and disabled it and then enabled it again just to make sure, but that didn't affect this problem. Can anyone tell me how to enable my wireless card?