Hi I am using toshiba satellite c640 with windows 7 32 bit.I have a problem with wifi.Is not finidin the available connections.I can connect with other devices.I dont know when did this happen,since it wasnt with me.But i tried using virtual host to use my pc as router.No idea ,driver finds updated .Atheros AR9002WB-1NG Wireless Network Adapter is used.I can get the fn+f8 and when i checked windows mobilty center wifi was shown as on.Help Needed..