My system was functioning fine until I was at the hospital and a unsecure network message came up on my computer. I went to my hotspot so my daughter could do her homework. The next time we got on the laptop there was no wireless connection for my hotspot and the wifi symbol was not lit up I tried the f2 key but still no luck. When I go thru the WLAN utility from control panel it says "there were no adapters available and enabled". I tried to restore to an earlier date but it said " there were no changes made" and the network connections do not show any of the wifi connections. I have looked on device mngr to see if there were any "!" and there are none. I'm not sure if the hosp. wifi somehow confused my WLAN card. I am baffled.