dawnman wrote I’m so sorry for you,Mine adapter is OK on win8.1 .What is your main board, and the win8.1 is 32bit or 64bit ? maybe i can help you~ do you use TP-LINK win8 driver,they have not...

Region : UnitedKingdom Model : TL-WDN4200 Hardware Version : V1 Firmware Version : ISP : Whenever I plug in the device it is being recognized as an "Unknown Device" with a yellow explanation mark and...