I got this instruction from TPLink customer support: There are maybe some block from your computer,please get into Windows safe mode,here is the instruction that you can follow....

Region : Others Model : TL-WN722N Hardware Version : V1 Firmware Version : ISP : I have trouble with my wireless adapter. It used to work fine for more than year, then suddenly computer is not seeing...

Region : Argentina Model : TL-WDN4800 Hardware Version : V1 Firmware Version : ISP : I have trouble with my wireless adapter. It used to work fine for more than year, then suddenly computer is not...