I have trouble with my T450's wifi adapter too - from time to time, after waking up from sleep mode the wifi module just disappear - It's even missing from the

I have trouble with my T450's wifi adapter too - from time to time, after waking up from sleep mode the wifi module just disappear - It's even missing from the list that appears after you pressing the [Fn + F8] key, as if the laptop never had a wifi adpter... The quick fix would be rebooting the computer.